Union Carbide Corp
Union CarbActive Patents
0
Total Holdings
422
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| EP0028985A1 | A method for making fasteners by drawing a cold wire or rod | Expired / Lapsed | 1980-11-07 | — | 10 | Details |
| FR2387028A1 | COMPOSITE PROSTHESIS INCLUDING AT LEAST ONE PLASTIC MATERIA… | Expired / Lapsed | 1978-04-13 | — | 0 | Details |
| GB1253272A | Polyolefin films and aeronautical balloons produced therefr… | Expired / Lapsed | 1969-01-17 | — | 0 | Details |
| FR2000406A1 | FR2000406A1 - - Google Patents | Expired / Lapsed | 1969-01-17 | — | 0 | Details |
| BE563517A | Vulcanizing process and agent | Expired / Lapsed | 1957-12-24 | — | 0 | Details |
| GB884074A | Curing process and agent therefor | Expired / Lapsed | 1957-12-23 | — | 0 | Details |
| GB882053A | Poly-substituted ammonium silicon compounds and process for… | Expired / Lapsed | 1957-10-03 | — | 0 | Details |
| GB777233A | Crystalline synthetic zeolites | Expired / Lapsed | 1954-12-21 | — | 0 | Details |
| GB695782A | Production of diesterified phosphono derivatives of polyfun… | Expired / Lapsed | 1949-06-03 | — | 0 | Details |
| US4857579A | Thermosettable fiber reinforced resin compositions | Expired / Lapsed | 1987-11-25 | 1989-08-15 | 13 | Details |
| US4585833A | Low shrinkling curable poly(acrylate) molding compositions | Expired / Lapsed | 1983-05-26 | 1986-04-29 | 17 | Details |
| US4503098A | Disposable articles coated with degradable water insoluble … | Expired / Lapsed | 1982-08-05 | 1985-03-05 | 10 | Details |
| US4372311A | Disposable articles coated with degradable water insoluble … | Expired / Lapsed | 1980-09-12 | 1983-02-08 | 26 | Details |
| US4327013A | Poly(acrylate) containing compositions and process for prod… | Expired / Lapsed | 1980-03-27 | 1982-04-27 | 15 | Details |
| US4285105A | Colored interlocking closure strips | Expired / Lapsed | 1979-09-04 | 1981-08-25 | 13 | Details |
| US4264752A | Radiation-curable acrylated urethane polycarbonate composit… | Expired / Lapsed | 1979-08-08 | 1981-04-28 | 5 | Details |
| US4242098A | Transport of aqueous coal slurries | Expired / Lapsed | 1978-07-03 | 1980-12-30 | 17 | Details |
| US4209605A | Process for producing shaped polyurethane hydrogel articles | Expired / Lapsed | 1978-10-19 | 1980-06-24 | 8 | Details |
| US4141318A | Fish culture tank | Expired / Lapsed | 1977-01-05 | 1979-02-27 | 17 | Details |
| US4136818A | Light-shielding tube holder for use with blood washing appa… | Expired / Lapsed | 1977-10-25 | 1979-01-30 | 8 | Details |
| US4091447A | Interrupt control system for a microcomputer | Expired / Lapsed | 1976-07-19 | 1978-05-23 | 7 | Details |
| US4086293A | Low energy-curable high solids coating compositions | Expired / Lapsed | 1976-05-26 | 1978-04-25 | 23 | Details |
| US4069968A | Disposable tubing harness for use with blood washing appara… | Expired / Lapsed | 1976-11-01 | 1978-01-24 | 3 | Details |
| US4066722A | Apparatus for sparging gas into liquid | Expired / Lapsed | 1976-05-21 | 1978-01-03 | 16 | Details |
| US4058124A | Disposable absorbent articles containing particulate, free-… | Expired / Lapsed | 1975-03-28 | 1977-11-15 | 6 | Details |
| US4056646A | Flocked foamed latex sheet | Expired / Lapsed | 1975-05-16 | 1977-11-01 | 5 | Details |
| US4043501A | Portable liquid package container for use with blood washin… | Expired / Lapsed | 1976-11-01 | 1977-08-23 | 2 | Details |
| US4034441A | Presizing disc with self-locking means | Expired / Lapsed | 1975-11-26 | 1977-07-12 | 23 | Details |
| US4028775A | Apparatus for inserting a sizing disc into a tubular casing | Expired / Lapsed | 1976-05-04 | 1977-06-14 | 27 | Details |
| US4018729A | Shaped article for conditioning hair a blend of water-solub… | Expired / Lapsed | 1975-11-10 | 1977-04-19 | 33 | Details |
| US3993551A | Process for cocrosslinking water soluble polymers and produ… | Expired / Lapsed | 1975-06-30 | 1976-11-23 | 9 | Details |
| US3952536A | Apparatus for cryogenic freezing of fluid filled pouches | Expired / Lapsed | 1971-08-30 | 1976-04-27 | 8 | Details |
| US3940356A | Ice release agents consisting of pseudo-plastic composition… | Expired / Lapsed | 1974-11-29 | 1976-02-24 | 9 | Details |
| US3935320A | Tubular cellulosic casing with cationic thermosetting resin… | Expired / Lapsed | 1973-04-04 | 1976-01-27 | 18 | Details |
| US3931075A | Acrylated epoxidized soybean oil amine compositions and met… | Expired / Lapsed | 1974-06-03 | 1976-01-06 | 11 | Details |
| US3923729A | Biodegradable transplanter containers | Expired / Lapsed | 1974-07-15 | 1975-12-02 | 24 | Details |
| US3922239A | Cellulose esters or ethers blended with cyclic ester polyme… | Expired / Lapsed | 1973-10-11 | 1975-11-25 | 13 | Details |
| US3898143A | Process for cocrosslinking water soluble polymers and produ… | Expired / Lapsed | 1973-09-10 | 1975-08-05 | 9 | Details |
| US3892821A | Polyesters blended with cyclic ester polymers | Expired / Lapsed | 1973-10-11 | 1975-07-01 | 9 | Details |
| US3884786A | Hot melt compositions produced by irradiating ethylene copo… | Expired / Lapsed | 1973-10-02 | 1975-05-20 | 4 | Details |
| US3878077A | Radiation curable compositions of acrylated epoxidized soyb… | Expired / Lapsed | 1973-03-22 | 1975-04-15 | 25 | Details |
| US3876518A | Acrylated epoxidized soybean oil amine compositions and met… | Expired / Lapsed | 1973-03-22 | 1975-04-08 | 21 | Details |
| US3871376A | Combination absorbent dressing and flexible cooling device | Expired / Lapsed | 1974-03-13 | 1975-03-18 | 20 | Details |
| US3864426A | Thermal shock resistant epoxy compositions | Expired / Lapsed | 1973-05-23 | 1975-02-04 | 7 | Details |
| US3852913A | Shaped biodegradable containers from biodegradable thermopl… | Expired / Lapsed | 1972-07-28 | 1974-12-10 | 9 | Details |
| US3844987A | Contour adapted passenger loading ramp biodegradable transp… | Expired / Lapsed | 1972-07-28 | 1974-10-29 | 2 | Details |
| US3843708A | Extended polylactone diol compositions | Expired / Lapsed | 1971-03-24 | 1974-10-22 | 3 | Details |
| US3842142A | Unsaturated polyester compositions | Expired / Lapsed | 1972-07-20 | 1974-10-15 | 2 | Details |
| US3836595A | Polymerization of ethylene with supported pi-allyl chromium… | Expired / Lapsed | 1971-10-27 | 1974-09-17 | 0 | Details |
| US3833708A | Immiscible polymer products and processes | Expired / Lapsed | 1972-08-04 | 1974-09-03 | 0 | Details |
| US3830733A | Diffusion membranes of controlled permeability,apparatus an… | Expired / Lapsed | 1972-03-09 | 1974-08-20 | 0 | Details |
| US3801616A | Process for producing siloxane-polyoxyalkylene block copoly… | Expired / Lapsed | 1972-03-10 | 1974-04-02 | 0 | Details |
| US3793300A | Flexible polyester urethane foams using liquid siloxane-oxy… | Expired / Lapsed | 1972-06-26 | 1974-02-19 | 0 | Details |
| US3778458A | Lactone-silicone compositions | Expired / Lapsed | 1971-03-22 | 1973-12-11 | 0 | Details |
| US3775307A | System for gas sparging into liquid | Expired / Lapsed | 1971-04-08 | 1973-11-27 | 0 | Details |
| US3759807A | Photopolymerization process using combination of organic ca… | Expired / Lapsed | 1972-01-19 | 1973-09-18 | 0 | Details |
| US3759876A | Lactam polymerization with amide initiators | Expired / Lapsed | 1971-09-24 | 1973-09-18 | 0 | Details |
| US3760034A | Graft copolymers of lactone polyesters | Expired / Lapsed | 1971-01-26 | 1973-09-18 | 20 | Details |
| US3736769A | Cooling device | Expired / Lapsed | 1971-07-01 | 1973-06-05 | 4 | Details |
| US3715293A | Acetophenone-type photosensitizers for radiation curable co… | Expired / Lapsed | 1971-12-17 | 1973-02-06 | 4 | Details |
| US3677347A | Method of extinguishing fires and compositions therefor con… | Expired / Lapsed | 1969-12-22 | 1972-07-18 | 30 | Details |
| US3658867A | Ammonium and tertiary amino bis(trimethylsiloxy) siloxanes | Expired / Lapsed | 1969-12-22 | 1972-04-25 | 0 | Details |
| US3650814A | Process for preparing moldable thermoplastic polymer partic… | Expired / Lapsed | 1969-10-09 | 1972-03-21 | 5 | Details |
| US3641200A | Block copolycarbonates containing polylactone blocks and di… | Expired / Lapsed | 1969-01-17 | 1972-02-08 | 0 | Details |
| US3639503A | Block copolycarbonates containing polylactone blocks and cy… | Expired / Lapsed | 1969-02-20 | 1972-02-01 | 0 | Details |
| US3637428A | Adhesion of coatings to ethylene-polar monomer copolymer | Expired / Lapsed | 1968-12-10 | 1972-01-25 | 6 | Details |
| US3632687A | Crystalline polymer alloys comprising a polymer from a cycl… | Expired / Lapsed | 1969-04-01 | 1972-01-04 | 0 | Details |
| US3615532A | Printing plate compositions | Expired / Lapsed | 1963-12-09 | 1971-10-26 | 20 | Details |
| US3606077A | Shaped seal closure | Expired / Lapsed | 1969-07-23 | 1971-09-20 | 0 | Details |
| US3600418A | Organo-silicone block copolymers | Expired / Lapsed | 1969-08-05 | 1971-08-17 | 0 | Details |
| US3592877A | Vinyl resins plasticized with solid linear polymers of lact… | Expired / Lapsed | 1969-04-01 | 1971-07-13 | 0 | Details |
| US3583460A | Sterile cover for fluid container port | Expired / Lapsed | 1969-07-24 | 1971-06-08 | 14 | Details |
| US3573334A | Olefinic silicone-organic polymer graft copolymers | Expired / Lapsed | 1964-12-29 | 1971-03-30 | 0 | Details |
| US3562786A | Organosilicon-surfactant compositions | Expired / Lapsed | 1966-11-09 | 1971-02-09 | 0 | Details |
| US3558529A | Urethane polymers having improved stiffness-temperature pro… | Expired / Lapsed | 1967-05-03 | 1971-01-26 | 0 | Details |
| US3553769A | Stuffing apparatus | Expired / Lapsed | 1969-02-07 | 1971-01-12 | 0 | Details |
| US3551535A | Freezing-mixing process for making homogeneous collagen mix… | Expired / Lapsed | 1967-09-14 | 1970-12-29 | 0 | Details |
| US3545230A | Flexible cooling device and use thereof | Expired / Lapsed | 1968-08-20 | 1970-12-08 | 0 | Details |
| US3544615A | Process for the purification of crude cyanoalkylated polyox… | Expired / Lapsed | 1967-12-08 | 1970-12-01 | 0 | Details |
| US3531365A | Heat-sealable fabric supported vinyl film | Expired / Lapsed | 1966-10-14 | 1970-09-29 | 0 | Details |
| US3530084A | Process for making ethylene-vinyl acetate copolymers of low… | Expired / Lapsed | 1967-01-18 | 1970-09-22 | 0 | Details |
| US3520471A | Flexible plastic container | Expired / Lapsed | 1968-10-09 | 1970-07-14 | 0 | Details |
| US3519579A | Process for making polyurethane foams with polysiloxanes ha… | Expired / Lapsed | 1969-03-10 | 1970-07-07 | 0 | Details |
| US3519701A | Polyvinyl esters and derivatives therefrom | Expired / Lapsed | 1966-07-11 | 1970-07-07 | 0 | Details |
| US3511699A | Use of modified epoxy silicones in treatment of textile fab… | Expired / Lapsed | 1967-02-15 | 1970-05-12 | 0 | Details |
| US3508944A | Biaxially oriented linear highly crystalline polyolefin fil… | Expired / Lapsed | 1966-02-14 | 1970-04-28 | 0 | Details |
| US3501681A | Face bonding of semiconductor devices | Expired / Lapsed | 1969-01-06 | 1970-03-17 | 0 | Details |
| US3492946A | Dual volume fluid sample pump | Expired / Lapsed | 1968-05-23 | 1970-02-03 | 0 | Details |
| US3493423A | Coating carbon substrates with refractory metal carbides | Expired / Lapsed | 1968-04-17 | 1970-02-03 | 0 | Details |
| US3480583A | Organo-silicone block copolymers | Expired / Lapsed | 1961-12-28 | 1969-11-25 | 0 | Details |
| US3470078A | Irradiated poly(ethylene oxide) and process therefor | Expired / Lapsed | 1967-07-31 | 1969-09-30 | 0 | Details |
| US3466229A | Metallizing plastics by gas plating | Expired / Lapsed | 1964-11-04 | 1969-09-09 | 0 | Details |
| US3454454A | Reinforced thermoplastic styrene-acrylonitrile copolymer re… | Expired / Lapsed | 1966-02-01 | 1969-07-08 | 0 | Details |
| US3449290A | Silicone elastomer compositions containing powdered polytet… | Expired / Lapsed | 1966-07-12 | 1969-06-10 | 0 | Details |
| US3437888A | Method of providing electrical contacts by sputtering a fil… | Expired / Lapsed | 1966-07-01 | 1969-04-08 | 0 | Details |
| US3420433A | Flat bag and overflapped adhesive tape closure therefor | Expired / Lapsed | 1967-08-07 | 1969-01-07 | 0 | Details |
| US3419938A | Multi-channel tubular extrusion die | Expired / Lapsed | 1965-01-21 | 1969-01-07 | 0 | Details |
| US3419006A | Novel dressing and use thereof | Expired / Lapsed | 1966-08-08 | 1968-12-31 | 2 | Details |
| US3418354A | Process for producing graft copolymers | Expired / Lapsed | 1964-12-29 | 1968-12-24 | 0 | Details |
| US3409224A | Flexible drinking tube | Expired / Lapsed | 1967-03-13 | 1968-11-05 | 0 | Details |
| US3409581A | Polyhydroxyether modified resole phenolic resins | Expired / Lapsed | 1964-06-29 | 1968-11-05 | 0 | Details |
| US3404253A | Laser welding | Expired / Lapsed | 1964-11-24 | 1968-10-01 | 0 | Details |
| US3395724A | Piercing valve | Expired / Lapsed | 1965-10-22 | 1968-08-06 | 0 | Details |
| US3393084A | Coating carbon substrates with refractory metal carbides | Expired / Lapsed | 1964-05-01 | 1968-07-16 | 2 | Details |
| US3389160A | Dialkylamino hydroxy organosilicon compounds and derivative… | Expired / Lapsed | 1966-07-08 | 1968-06-18 | 0 | Details |
| US3387940A | High-strength carbon foam | Expired / Lapsed | 1963-08-29 | 1968-06-11 | 3 | Details |
| US3387061A | Chemical reaction product of polycarboxylic acid and a poly… | Expired / Lapsed | 1966-05-04 | 1968-06-04 | 2 | Details |
| US3384599A | Siloxane-polyol compositions and process therefor | Expired / Lapsed | 1964-08-13 | 1968-05-21 | 0 | Details |
| US3384154A | Heat exchange system | Expired / Lapsed | 1964-05-12 | 1968-05-21 | 1 | Details |
| US3379803A | Coating method and apparatus for deposition of polymer-form… | Expired / Lapsed | 1964-05-04 | 1968-04-23 | 0 | Details |
| US3378379A | Food casing and method of producing same | Expired / Lapsed | 1966-07-08 | 1968-04-16 | 0 | Details |
| US3369920A | Process for producing coatings on carbon and graphite filam… | Expired / Lapsed | 1964-11-24 | 1968-02-20 | 2 | Details |
| US3369012A | Polymers containing dihalocyclopropane units | Expired / Lapsed | 1963-01-16 | 1968-02-13 | 2 | Details |
| US3367812A | Process of producing carbonized articles | Expired / Lapsed | 1962-11-14 | 1968-02-06 | 2 | Details |
| US3362909A | Deicer composition | Expired / Lapsed | 1964-09-30 | 1968-01-09 | 2 | Details |
| US3361702A | Ethylene-acrylic acid copolymers plasticized with polyols | Expired / Lapsed | 1965-10-22 | 1968-01-02 | 2 | Details |
| FR1505267A | Chewing gums | Expired / Lapsed | 1966-12-21 | 1967-12-08 | 0 | Details |
| US3356609A | Aerobic treatment of sewage | Expired / Lapsed | 1966-05-03 | 1967-12-05 | 2 | Details |
| US3354100A | Polyurethanes prepared from reaction products of polyoxyalk… | Expired / Lapsed | 1966-10-03 | 1967-11-21 | 2 | Details |
| US3347745A | Process for freezing erythrocytes | Expired / Lapsed | 1963-12-06 | 1967-10-17 | 2 | Details |
| US3337665A | Method for the production of thermoplastic film | Expired / Lapsed | 1966-04-27 | 1967-08-22 | 2 | Details |
| US3333587A | Cryosurgical device | Expired / Lapsed | 1965-01-28 | 1967-08-01 | 2 | Details |
| US3333926A | Process for carbonizing cellulosic textile materials | Expired / Lapsed | 1963-10-30 | 1967-08-01 | 2 | Details |
| US3334081A | Polymerization process | Expired / Lapsed | 1960-08-29 | 1967-08-01 | 2 | Details |
| US3333037A | Process for the production of alkali metal composite electr… | Expired / Lapsed | 1965-09-07 | 1967-07-25 | 2 | Details |
| US3328350A | Stabilized organosilicon polymers | Expired / Lapsed | 1966-07-05 | 1967-06-27 | 0 | Details |
| US3326453A | Gas-bearing assembly | Expired / Lapsed | 1965-10-23 | 1967-06-20 | 2 | Details |
| US3325213A | One-piece cushioned chair | Expired / Lapsed | 1965-05-17 | 1967-06-13 | 2 | Details |
| US3324070A | Vinyl resins plasticized with polycarbonate polymers | Expired / Lapsed | 1964-05-28 | 1967-06-06 | 4 | Details |
| US3320199A | Aqueous emulsions of vinyl acetate-vinyl sulfonic acid copo… | Expired / Lapsed | 1964-12-21 | 1967-05-16 | 2 | Details |
| US3306825A | Radioactive spheroids coated with pyrolytic graphite | Expired / Lapsed | 1965-12-28 | 1967-02-28 | 2 | Details |
| US3306869A | Floor polishes containing siloxane-oxyalkylene block copoly… | Expired / Lapsed | 1965-09-22 | 1967-02-28 | 2 | Details |
| US3306809A | Curable polyepoxide and glycol polyamine compositions | Expired / Lapsed | 1961-08-21 | 1967-02-28 | 2 | Details |
| US3305504A | Coating compositions containing organosilicon copolymers | Expired / Lapsed | 1965-01-12 | 1967-02-21 | 2 | Details |
| US3303662A | Process for cell preservation | Expired / Lapsed | 1964-01-23 | 1967-02-14 | 2 | Details |
| US3301824A | Polymers of cyclic carbonates | Expired / Lapsed | 1963-09-26 | 1967-01-31 | 2 | Details |
| US3297903A | Threaded joint for arc carbons | Expired / Lapsed | 1963-10-18 | 1967-01-10 | 2 | Details |
| US3296170A | Emulsion polymerization of ethylene | Expired / Lapsed | 1963-04-03 | 1967-01-03 | 2 | Details |
| US3288728A | Para-xylylene copolymers | Expired / Lapsed | 1966-02-18 | 1966-11-29 | 2 | Details |
| US3287205A | Low temperature bonding thermoplastic polyhydroxyether adhe… | Expired / Lapsed | 1962-09-24 | 1966-11-22 | 2 | Details |
| US3285745A | Laminated planographic printing plates | Expired / Lapsed | 1963-07-01 | 1966-11-15 | 3 | Details |
| US3282702A | Process for removing hydrogen peroxide from liquids | Expired / Lapsed | 1963-07-16 | 1966-11-01 | 2 | Details |
| US3281639A | Battery charger | Expired / Lapsed | 1963-06-07 | 1966-10-25 | 2 | Details |
| US3280049A | Premixes for polyurethane foams | Expired / Lapsed | 1963-11-29 | 1966-10-18 | 2 | Details |
| US3274159A | Polyester imides of trimellitic anhydride | Expired / Lapsed | 1963-01-07 | 1966-09-20 | 2 | Details |
| CA742294A | Plasticization of vinyl resins with lactone polyesters | Expired / Lapsed | — | 1966-09-06 | 0 | Details |
| US3268636A | Method and apparatus for injection molding foamed plastic a… | Expired / Lapsed | 1963-07-01 | 1966-08-23 | 2 | Details |
| US3267174A | Acrylic coating composition containing an adduct of a triol… | Expired / Lapsed | 1963-05-10 | 1966-08-16 | 2 | Details |
| US3267050A | Foamed organic polyisocyanate-amine reaction products | Expired / Lapsed | 1962-05-21 | 1966-08-16 | 2 | Details |
| US3255253A | Amine-containing polyols | Expired / Lapsed | 1962-07-30 | 1966-06-07 | 2 | Details |
| US3254464A | Hollow building module of corrugated polyurethane foam sect… | Expired / Lapsed | 1962-05-07 | 1966-06-07 | 2 | Details |
| CA734562A | Slip-modified polycarbonate compositions | Expired / Lapsed | — | 1966-05-17 | 0 | Details |
| US3249570A | Terpolymer of ethylene, alkyl acrylate and acrylic acid | Expired / Lapsed | 1962-11-15 | 1966-05-03 | 2 | Details |
| US3246449A | Recovery of helium | Expired / Lapsed | 1959-06-09 | 1966-04-19 | 1 | Details |
| US3245924A | Polyurethane compositions | Expired / Lapsed | 1962-05-01 | 1966-04-12 | 1 | Details |
| US3242011A | Method of making fuel cell electrodes | Expired / Lapsed | 1962-11-01 | 1966-03-22 | 2 | Details |
| US3240730A | Method of reacting an organic polyisocyanate with a lactone… | Expired / Lapsed | 1963-07-31 | 1966-03-15 | 1 | Details |
| US3238087A | Method of making laminated structural elements and article … | Expired / Lapsed | 1962-12-19 | 1966-03-01 | 4 | Details |
| US3234252A | Siloxane-polyoxyalkylene copolymers | Expired / Lapsed | 1962-10-02 | 1966-02-08 | 4 | Details |
| US3231382A | Printing plate compositions | Expired / Lapsed | 1964-04-03 | 1966-01-25 | 2 | Details |
| US3228838A | Preservation of biological substances | Expired / Lapsed | 1959-04-23 | 1966-01-11 | 2 | Details |
| US3223639A | Solion electrolyte | Expired / Lapsed | 1962-07-10 | 1965-12-14 | 2 | Details |
| US3223761A | Melt extrusion of multi-wall plastic tubing | Expired / Lapsed | 1962-04-30 | 1965-12-14 | 2 | Details |
| US3222440A | Process and apparatus for the production of oriented plasti… | Expired / Lapsed | 1962-07-30 | 1965-12-07 | 2 | Details |
| US3219488A | Reinforced combination safety blow-out and gas permeable me… | Expired / Lapsed | 1961-12-15 | 1965-11-23 | 2 | Details |
| US3218344A | Alkoxy substituted organosilicon compounds | Expired / Lapsed | 1959-06-29 | 1965-11-16 | 0 | Details |
| US3209121A | Electrode proximity control | Expired / Lapsed | 1962-09-04 | 1965-09-28 | 2 | Details |
| US3204799A | Container and closure therefor | Expired / Lapsed | 1964-02-12 | 1965-09-07 | 2 | Details |
| US3202633A | Organosilicon compounds containing phosphorus and nitrogen | Expired / Lapsed | 1960-07-25 | 1965-08-24 | 1 | Details |
| US3201665A | Solid state devices constructed from semiconductive whishers | Expired / Lapsed | 1961-11-20 | 1965-08-17 | 2 | Details |
| US3200031A | Amino-organosilicon compounds and reaction products thereof… | Expired / Lapsed | 1959-05-27 | 1965-08-10 | 2 | Details |
| US3198375A | Blow molded container | Expired / Lapsed | 1962-05-01 | 1965-08-03 | 2 | Details |
| US3190858A | Polymerization of cyclic esters | Expired / Lapsed | 1959-12-03 | 1965-06-22 | 2 | Details |
| US3187982A | Method for forming coated uniaxially oriented films and the… | Expired / Lapsed | 1960-07-21 | 1965-06-08 | 2 | Details |
| US3179609A | Finish removal formulation | Expired / Lapsed | 1958-09-25 | 1965-04-20 | 1 | Details |
| US3176685A | Cold-formable splints | Expired / Lapsed | 1963-03-11 | 1965-04-06 | 2 | Details |
| US3176444A | Adsorption separation process | Expired / Lapsed | 1962-09-04 | 1965-04-06 | 2 | Details |
| US3175331A | Cleaning and scouring pad | Expired / Lapsed | 1964-07-13 | 1965-03-30 | 2 | Details |
| US3170940A | Hydrocarbylmercaptoethyl substituted silicon compounds | Expired / Lapsed | 1954-04-15 | 1965-02-23 | 4 | Details |
| US3169945A | Lactone polyesters | Expired / Lapsed | 1963-10-07 | 1965-02-16 | 4 | Details |
| US3158283A | Corrugated contained for the low temperature preservation o… | Expired / Lapsed | 1961-04-24 | 1964-11-24 | 2 | Details |
| US3152161A | Nu (beta-hydroxyethyl-beta-aminoethyl)-gamma-aminoisobutylm… | Expired / Lapsed | 1960-08-18 | 1964-10-06 | 2 | Details |
| US3149130A | Process for preparing 2, 3-dihydropara-dioxin | Expired / Lapsed | 1960-05-13 | 1964-09-15 | 2 | Details |
| US3149170A | Fluorination of hexachlorobutadiene | Expired / Lapsed | 1960-03-07 | 1964-09-15 | 1 | Details |
| US3146799A | Pressure-sensitive organopolysiloxane elastomers and articl… | Expired / Lapsed | 1961-03-28 | 1964-09-01 | 4 | Details |
| US3147329A | Method and apparatus for heating metal melting furnaces | Expired / Lapsed | 1960-08-17 | 1964-09-01 | 1 | Details |
| US3144089A | Exposure meter | Expired / Lapsed | 1958-02-26 | 1964-08-11 | 2 | Details |
| US3140330A | Process for stretching plastic net | Expired / Lapsed | 1961-12-15 | 1964-07-07 | 2 | Details |
| US3135613A | Impregnated paper web and method of making sausage casings … | Expired / Lapsed | 1959-08-17 | 1964-06-02 | 2 | Details |
| US3133111A | Process for the transesterification of alkoxy-containing or… | Expired / Lapsed | 1961-04-07 | 1964-05-12 | 2 | Details |
| US3131113A | Cellulosic material having improved adhesion to polyethylene | Expired / Lapsed | 1959-03-12 | 1964-04-28 | 2 | Details |
| US3122297A | Multi-ply liner bags | Expired / Lapsed | 1961-10-23 | 1964-02-25 | 2 | Details |
| US3121999A | Dilution system for evaporation gas | Expired / Lapsed | 1961-06-26 | 1964-02-25 | 2 | Details |
| US3121784A | Gas shielded arc welding torch nozzle | Expired / Lapsed | 1962-03-02 | 1964-02-18 | 2 | Details |
| US3116975A | Artificial graphite process | Expired / Lapsed | 1961-02-08 | 1964-01-07 | 2 | Details |
| US3117110A | Process for producing solid chain-terminated polymers of et… | Expired / Lapsed | 1959-04-28 | 1964-01-07 | 2 | Details |
| CA676090A | Resistance heating of plastic-metal fiber articles and arti… | Expired / Lapsed | — | 1963-12-17 | 0 | Details |
| US3108851A | Method of biaxially stretching thermoplastic material | Expired / Lapsed | 1958-11-10 | 1963-10-29 | 2 | Details |
| US3107152A | Fibrous graphite | Expired / Lapsed | 1960-09-12 | 1963-10-15 | 1 | Details |
| US3100984A | Vapor fraction analyzer | Expired / Lapsed | 1959-09-28 | 1963-08-20 | 2 | Details |
| US3099676A | Hydroxyalkyl polyphosphates | Expired / Lapsed | 1961-11-03 | 1963-07-30 | 2 | Details |
| US3097940A | Process for purifying gases | Expired / Lapsed | 1961-03-01 | 1963-07-16 | 2 | Details |
| US3096290A | Deicer composition | Expired / Lapsed | 1960-05-31 | 1963-07-02 | 4 | Details |
| US3095316A | Process for coating carbonaceous articles with silicon diox… | Expired / Lapsed | 1959-09-30 | 1963-06-25 | 1 | Details |
| US3092974A | Method and apparatus for controlled freezing of biologicals | Expired / Lapsed | 1960-07-21 | 1963-06-11 | 2 | Details |
| US3088158A | Cleaning and polishing sponge | Expired / Lapsed | 1961-03-28 | 1963-05-07 | 2 | Details |
| US3088787A | Thermally insulated bulk storage containers | Expired / Lapsed | 1960-10-04 | 1963-05-07 | 2 | Details |
| US3080087A | Beverage case | Expired / Lapsed | 1961-04-07 | 1963-03-05 | 2 | Details |
| US3078634A | Sweetening and drying of natural gas | Expired / Lapsed | 1959-11-30 | 1963-02-26 | 2 | Details |
| US3075927A | Flame-resistant urethane foams and process for preparing sa… | Expired / Lapsed | 1960-06-09 | 1963-01-29 | 2 | Details |
| US3076085A | High current non-consumable hollow electrode | Expired / Lapsed | 1960-04-11 | 1963-01-29 | 2 | Details |
| US3075858A | Deposition of composite coatings by vapor phase plating met… | Expired / Lapsed | 1958-01-21 | 1963-01-29 | 0 | Details |
| US3075066A | Article of manufacture and method of making same | Expired / Lapsed | 1957-12-03 | 1963-01-22 | 2 | Details |
| US3073984A | Toroidal arc apparatus | Expired / Lapsed | 1961-01-03 | 1963-01-15 | 2 | Details |
| US3071678A | Arc welding process and apparatus | Expired / Lapsed | 1960-11-15 | 1963-01-01 | 2 | Details |
| US3068516A | Extruded contour coating | Expired / Lapsed | 1960-06-01 | 1962-12-18 | 0 | Details |
| US3068206A | Polyester synthetic resin reaction system | Expired / Lapsed | 1958-11-03 | 1962-12-11 | 2 | Details |
| US3066222A | Infra-red detection apparatus | Expired / Lapsed | 1959-11-18 | 1962-11-27 | 0 | Details |
| US3065112A | Process for the production of large semiconductor crystals | Expired / Lapsed | 1958-06-24 | 1962-11-20 | 2 | Details |
| US3061557A | Method of reacting an active hydrogen containing compound w… | Expired / Lapsed | 1957-12-12 | 1962-10-30 | 2 | Details |
| US3058863A | Polyethylene structures | Expired / Lapsed | 1959-05-08 | 1962-10-16 | 2 | Details |
| US3048263A | Fog resistant polyolefin films | Expired / Lapsed | 1961-03-29 | 1962-08-07 | 2 | Details |
| US3046295A | Process for producing aminoalkylsilanes | Expired / Lapsed | 1960-06-21 | 1962-07-24 | 2 | Details |
| US3041672A | Making spheroidal powder | Expired / Lapsed | 1958-09-22 | 1962-07-03 | 2 | Details |
| US3039272A | Fluid actuating device | Expired / Lapsed | 1961-09-18 | 1962-06-19 | 0 | Details |
| US3040266A | Surface field effect transistor amplifier | Expired / Lapsed | 1958-06-16 | 1962-06-19 | 0 | Details |
| US3037888A | Method of cutting | Expired / Lapsed | 1958-10-03 | 1962-06-05 | 2 | Details |
| US3034941A | Tear beaded wrapping material | Expired / Lapsed | 1957-11-01 | 1962-05-15 | 1 | Details |
| US3033815A | Organosilicon compounds and process for producing same | Expired / Lapsed | 1959-08-28 | 1962-05-08 | 2 | Details |
| US3029221A | Process for the production of graft copolymers comprising r… | Expired / Lapsed | 1958-07-17 | 1962-04-10 | 2 | Details |
| US3024216A | Compositions of partially hydrolyzed vinyl chloride-vinyl a… | Expired / Lapsed | 1958-07-28 | 1962-03-06 | 2 | Details |
| US3020588A | Rotary plastic extrusion die | Expired / Lapsed | 1958-02-04 | 1962-02-13 | 1 | Details |
| US3019483A | Method and apparatus for producing extruded structural board | Expired / Lapsed | 1959-05-04 | 1962-02-06 | 0 | Details |
| US3020389A | Portable air lock for welding chambers | Expired / Lapsed | 1958-11-10 | 1962-02-06 | 0 | Details |
| US3020231A | Coagulation | Expired / Lapsed | 1957-11-18 | 1962-02-06 | 2 | Details |
| US3018882A | Spiral roll of perforated thermoplastic multiple tubing and… | Expired / Lapsed | 1957-11-01 | 1962-01-30 | 2 | Details |
| US3018290A | Preparation of maleimides | Expired / Lapsed | 1959-11-12 | 1962-01-23 | 3 | Details |
| US3016840A | Fluid actuating device | Expired / Lapsed | 1958-11-13 | 1962-01-16 | 0 | Details |
| US3016447A | Collimated electric arc-powder deposition process | Expired / Lapsed | 1959-11-02 | 1962-01-09 | 2 | Details |
| US3010789A | Crystalline zeolite h | Expired / Lapsed | 1957-12-05 | 1961-11-28 | 6 | Details |
| US3008848A | Adhesive resin primer composition, method of bonding a synt… | Expired / Lapsed | 1959-02-16 | 1961-11-14 | 2 | Details |
| US3000804A | Reference half-cell | Expired / Lapsed | 1958-05-22 | 1961-09-19 | 2 | Details |
| US2993984A | Gas shielded a. c. arc working | Expired / Lapsed | 1959-03-25 | 1961-07-25 | 0 | Details |
| US2985633A | Polymerization of ethylene with organoboron compounds treat… | Expired / Lapsed | 1958-10-30 | 1961-05-23 | 1 | Details |
| US2985616A | Curable epoxy compositions and resins made therefrom | Expired / Lapsed | 1957-07-30 | 1961-05-23 | 2 | Details |
| US2985604A | Shaped resins | Expired / Lapsed | 1957-03-05 | 1961-05-23 | 2 | Details |
| US2982612A | Process for producing sodium zeolite a | Expired / Lapsed | 1959-01-26 | 1961-05-02 | 2 | Details |
| US2982845A | Electric arc spraying | Expired / Lapsed | 1958-07-11 | 1961-05-02 | 0 | Details |
| US2980404A | Heat exchange device | Expired / Lapsed | 1957-11-07 | 1961-04-18 | 0 | Details |
| CA618080A | Organosilicon acylamino compounds and process for producing… | Expired / Lapsed | — | 1961-04-11 | 0 | Details |
| FR1258142A | Method and apparatus for the extraction of helium | Expired / Lapsed | 1960-05-30 | 1961-04-07 | 0 | Details |
| US2977401A | Cathodes | Expired / Lapsed | 1957-10-09 | 1961-03-28 | 2 | Details |
| US2972552A | All carbon impervious graphite and carbon articles | Expired / Lapsed | 1957-03-08 | 1961-02-21 | 2 | Details |
| US2972598A | Organosilicon salts and process for producing the same | Expired / Lapsed | 1956-10-12 | 1961-02-21 | 2 | Details |
| US2970985A | Curing catalysts for acrolein pentaerythritol resins | Expired / Lapsed | 1956-12-24 | 1961-02-07 | 2 | Details |
| US2970150A | Processes for the reaction of silanic hydrogen-bonded silox… | Expired / Lapsed | 1957-12-17 | 1961-01-31 | 2 | Details |
| US2968530A | Silicon-oxygen-nitrogen composition of matter | Expired / Lapsed | 1957-03-20 | 1961-01-17 | 1 | Details |
| US2965930A | Process for preparing polyepoxide solder | Expired / Lapsed | 1957-08-21 | 1960-12-27 | 2 | Details |
| US2963338A | Silicon-containing azo triazine dyes for dyeing glass fibers | Expired / Lapsed | 1959-08-25 | 1960-12-06 | 3 | Details |
| US2963503A | Process for producing phosphorus-containing organosilicon c… | Expired / Lapsed | 1958-12-23 | 1960-12-06 | 2 | Details |
| US2962386A | Method of making impervious carbon articles | Expired / Lapsed | 1957-03-08 | 1960-11-29 | 0 | Details |
| US2957756A | Filamentary graphite and method for producing the same | Expired / Lapsed | 1958-03-18 | 1960-10-25 | 4 | Details |
| US2957843A | Thermosetting composition comprising an unsaturated polyest… | Expired / Lapsed | 1958-01-29 | 1960-10-25 | 2 | Details |
| US2955318A | Method and apparatus for collapsing thermoplastic tubing | Expired / Lapsed | 1958-05-16 | 1960-10-11 | 0 | Details |
| US2956035A | Block-resisting polyethylene film compositions | Expired / Lapsed | 1957-08-21 | 1960-10-11 | 2 | Details |
| US2955127A | Organosilicon amine oxides and processes for their producti… | Expired / Lapsed | 1958-12-29 | 1960-10-04 | 4 | Details |
| US2953586A | Method for preparing organo-metallic compounds | Expired / Lapsed | 1956-10-01 | 1960-09-20 | 2 | Details |
| US2953428A | Production of polychlorotrifluoroethylene textiles | Expired / Lapsed | 1955-06-22 | 1960-09-20 | 1 | Details |
| US2952766A | Blowpipe type sigma torch | Expired / Lapsed | 1957-06-17 | 1960-09-13 | 0 | Details |
| US2951822A | Preparation of polyglycidyl aromatic amines and resinous co… | Expired / Lapsed | 1956-11-23 | 1960-09-06 | 2 | Details |
| US2948688A | Compositions comprising 4-vinylcyclohexene dioxide | Expired / Lapsed | 1957-05-21 | 1960-08-09 | 2 | Details |
| US2948767A | Gas-activated primary cells | Expired / Lapsed | 1956-08-03 | 1960-08-09 | 2 | Details |
| US2947771A | Aminoalkylpolysiloxanes and process for their production | Expired / Lapsed | 1956-10-12 | 1960-08-02 | 2 | Details |
| US2943073A | Sulfur-vulcanizable rubber composition | Expired / Lapsed | 1959-02-20 | 1960-06-28 | 2 | Details |
| US2943103A | Bis(alkoxysilylpropyl) amines | Expired / Lapsed | 1958-02-24 | 1960-06-28 | 2 | Details |
| US2939195A | Film fastener | Expired / Lapsed | 1957-03-11 | 1960-06-07 | 0 | Details |
| US2938879A | Non-blocking polyethylene compositions | Expired / Lapsed | 1955-10-18 | 1960-05-31 | 2 | Details |
| US2937402A | Apparatus for producing film | Expired / Lapsed | 1956-01-06 | 1960-05-24 | 0 | Details |
| US2935547A | Air-depolarized deferred action cell | Expired / Lapsed | 1958-03-12 | 1960-05-03 | 0 | Details |
| US2935488A | Epoxide compositions and resins therefrom | Expired / Lapsed | 1957-01-22 | 1960-05-03 | 2 | Details |
| US2933710A | Continuously gas plated wires for potentiometers | Expired / Lapsed | 1957-05-13 | 1960-04-19 | 0 | Details |
| US2919341A | Multi-gas sigma welding | Expired / Lapsed | 1955-07-18 | 1959-12-29 | 2 | Details |
| US2917469A | Polymers of 3,4-epoxycyclohexylmethyl 3,4-epoxycyclohexanec… | Expired / Lapsed | 1957-03-08 | 1959-12-15 | 2 | Details |
| US2917480A | Siloxane oxyalkylene block copolymers | Expired / Lapsed | 1954-06-10 | 1959-12-15 | 2 | Details |
| US2914238A | Composite packaging unit | Expired / Lapsed | 1958-05-28 | 1959-11-24 | 2 | Details |
| US2914595A | Gas-depolarized battery | Expired / Lapsed | 1956-10-08 | 1959-11-24 | 0 | Details |
| US2914556A | Preparation of lactone adducts | Expired / Lapsed | 1956-04-13 | 1959-11-24 | 2 | Details |
| US2913357A | Transistor and method of making a transistor | Expired / Lapsed | 1956-09-20 | 1959-11-17 | 2 | Details |
| US2910380A | Method of making seamless viscoseregenerated cellulose tubi… | Expired / Lapsed | 1955-10-13 | 1959-10-27 | 2 | Details |
| US2908158A | Leakage testing apparatus with fluid pressure regulator | Expired / Lapsed | 1954-10-04 | 1959-10-13 | 0 | Details |
| US2906858A | Liquid vortex arc torch process | Expired / Lapsed | 1957-10-10 | 1959-09-29 | 0 | Details |
| US2903478A | alpha-naphthol bicyclic aryl esters of n-substituted carbam… | Expired / Lapsed | 1958-08-07 | 1959-09-08 | 2 | Details |
| US2901337A | Abrasive articles and method of making the same | Expired / Lapsed | 1956-07-31 | 1959-08-25 | 2 | Details |
| US2900395A | Process for the production of 2-paradioxanone | Expired / Lapsed | 1958-03-12 | 1959-08-18 | 2 | Details |
| US2895853A | Siloxane water repellent treatment for fibrous materials | Expired / Lapsed | 1955-05-03 | 1959-07-21 | 2 | Details |
| US2890208A | Preparation of lactone polyesters | Expired / Lapsed | 1956-04-13 | 1959-06-09 | 2 | Details |
| US2886664A | Flashlight and switch therefor | Expired / Lapsed | 1957-02-11 | 1959-05-12 | 0 | Details |
| US2885384A | Bis(hydroxyphenyl)alkane reacted with polyorgano-siloxane r… | Expired / Lapsed | 1954-05-25 | 1959-05-05 | 2 | Details |
| US2883040A | Monolithic porous filler for cylinders and method of produc… | Expired / Lapsed | 1953-04-27 | 1959-04-21 | 1 | Details |
| US2882244A | Molecular sieve adsorbents | Expired / Lapsed | 1953-12-24 | 1959-04-14 | 2 | Details |
| US2881184A | Pyrrole-containing organosilicon compounds and process for … | Expired / Lapsed | 1956-10-12 | 1959-04-07 | 3 | Details |
| US2879177A | Process of surface treating polyethylene structures and res… | Expired / Lapsed | 1954-08-17 | 1959-03-24 | 2 | Details |
| US2878236A | Preparation of lactone polyesters | Expired / Lapsed | 1956-04-13 | 1959-03-17 | 2 | Details |
| US2874265A | Non-transferred arc torch process and apparatus | Expired / Lapsed | 1956-05-23 | 1959-02-17 | 0 | Details |
| US2870130A | Ethylene polymers | Expired / Lapsed | 1956-01-04 | 1959-01-20 | 2 | Details |
| US2870220A | Production of nonionic surface active agents | Expired / Lapsed | 1953-08-11 | 1959-01-20 | 2 | Details |
| US2859139A | Method of making a silica containing carbon brush and resul… | Expired / Lapsed | 1954-12-07 | 1958-11-04 | 2 | Details |
| US2858412A | Arc torch | Expired / Lapsed | 1956-07-06 | 1958-10-28 | 0 | Details |
| US2858411A | Arc torch and process | Expired / Lapsed | 1955-10-11 | 1958-10-28 | 0 | Details |
| US2851473A | Processes for the reaction of silanic hydrogen-bonded compo… | Expired / Lapsed | 1955-12-23 | 1958-09-09 | 2 | Details |
| US2847555A | High pressure arc process and apparatus | Expired / Lapsed | 1955-10-11 | 1958-08-12 | 0 | Details |
| US2844571A | Production of highly hydroxyalkylated polyvinyl alcohols | Expired / Lapsed | 1956-05-09 | 1958-07-22 | 2 | Details |
| US2844570A | Production of highly hydroxyalkylated polyvinyl alcohols | Expired / Lapsed | 1953-11-17 | 1958-07-22 | 2 | Details |
| US2843646A | Laminated metal ceramic | Expired / Lapsed | 1953-06-09 | 1958-07-15 | 2 | Details |
| US2841567A | Anti-static composition, process of making and process of a… | Expired / Lapsed | 1955-11-21 | 1958-07-01 | 2 | Details |
| US2834187A | Refrigerated container for liquefied gases | Expired / Lapsed | 1954-09-10 | 1958-05-13 | 2 | Details |
| US2834748A | Siloxane-oxyalkylene block copolymers | Expired / Lapsed | 1954-03-22 | 1958-05-13 | 2 | Details |
| US2834693A | Vinyl silane composition and process for treating fibrous g… | Expired / Lapsed | 1953-03-27 | 1958-05-13 | 2 | Details |
| US2832754A | Alkoxysilylpropylamines | Expired / Lapsed | 1955-01-21 | 1958-04-29 | 4 | Details |
| US2820798A | Copolymers of organic silicon compounds and n-vinyl pyrroli… | Expired / Lapsed | 1956-03-27 | 1958-01-21 | 2 | Details |
| US2810933A | Apparatus for and method of treating plastic film | Expired / Lapsed | 1952-02-09 | 1957-10-29 | 2 | Details |
| US2801989A | Glycidyl polyether of a polyphenylol | Expired / Lapsed | 1954-04-09 | 1957-08-06 | 2 | Details |
| US2801216A | Treatment of water with dialdehyde bactericides | Expired / Lapsed | 1956-04-05 | 1957-07-30 | 2 | Details |
| US2798937A | Multiple arc timing system | Expired / Lapsed | 1955-05-16 | 1957-07-09 | 0 | Details |
| US2789099A | Polymerization of acrylic acid in aqueous solution | Expired / Lapsed | 1953-09-04 | 1957-04-16 | 2 | Details |
| US2789101A | Vinyl chloride compositions | Expired / Lapsed | 1953-02-24 | 1957-04-16 | 2 | Details |
| US2789100A | Stabilized vinyl chloride compositions | Expired / Lapsed | 1953-02-24 | 1957-04-16 | 2 | Details |
| US2783530A | Metal ceramic product | Expired / Lapsed | 1954-05-19 | 1957-03-05 | 2 | Details |
| US2782243A | Hydrogenation of esters | Expired / Lapsed | 1954-03-29 | 1957-02-19 | 2 | Details |
| US2779668A | Epoxy resin modified phenol resin abrasive | Expired / Lapsed | 1953-04-02 | 1957-01-29 | 2 | Details |
| US2768278A | Gas shielded metal arc welding | Expired / Lapsed | 1954-06-11 | 1956-10-23 | 2 | Details |
| US2767727A | Air-oxygen mixing apparatus for hospitals | Expired / Lapsed | 1952-02-09 | 1956-10-23 | 0 | Details |
| US2761666A | Remotely controlled bore mining machine-automatic course co… | Expired / Lapsed | 1952-08-30 | 1956-09-04 | 2 | Details |
| US2759007A | High pressure polymerization of dialkylcyclosiloxanes in th… | Expired / Lapsed | 1953-06-10 | 1956-08-14 | 2 | Details |
| US2747455A | Differential refractometer | Expired / Lapsed | 1954-08-20 | 1956-05-29 | 2 | Details |
| US2744894A | Hydroxyalkylation of polysaccharides | Expired / Lapsed | 1952-09-08 | 1956-05-08 | 2 | Details |
| US2744882A | Unsymmetrical diphenylol methanes | Expired / Lapsed | 1949-01-26 | 1956-05-08 | 1 | Details |
| US2740991A | Marbling plastic sheet | Expired / Lapsed | 1952-05-03 | 1956-04-10 | 1 | Details |
| US2709367A | Apparatus for transmitting radiant heat for temperature mea… | Expired / Lapsed | 1954-02-08 | 1955-05-31 | 2 | Details |
| US2705206A | Coated silica powder | Expired / Lapsed | 1952-01-28 | 1955-03-29 | 2 | Details |
| US2699328A | Mining process and system by remote control | Expired / Lapsed | 1949-04-02 | 1955-01-11 | 0 | Details |
| US2690062A | Synthetic corundum crystals and process for making same | Expired / Lapsed | 1949-12-21 | 1954-09-28 | 2 | Details |
| US2689379A | Method of producing riddled thermoplastic sheets | Expired / Lapsed | 1951-04-25 | 1954-09-21 | 0 | Details |
| US2682535A | Hydroxyalkylation of polysaccharides | Expired / Lapsed | 1950-11-28 | 1954-06-29 | 2 | Details |
| US2666472A | Apparatus for making heat sealed ruffled articles | Expired / Lapsed | 1950-10-18 | 1954-01-19 | 0 | Details |
| US2666145A | Luminescent crystalline bodies | Expired / Lapsed | 1949-06-18 | 1954-01-12 | 0 | Details |
| US2662348A | Fluid pressure regulator | Expired / Lapsed | 1947-07-24 | 1953-12-15 | 0 | Details |
| US2656596A | Tungsten-chromium-alumina metal ceramics | Expired / Lapsed | 1949-05-17 | 1953-10-27 | 2 | Details |
| US2655041A | Flowmeter | Expired / Lapsed | 1949-09-14 | 1953-10-13 | 0 | Details |
| US2651322A | Dry backfire arrester | Expired / Lapsed | 1949-09-10 | 1953-09-08 | 0 | Details |
| US2648703A | 3-ethoxypropyl 3-ethoxypropionate | Expired / Lapsed | 1951-09-27 | 1953-08-11 | 2 | Details |
| US2643955A | Method of and apparatus for flame spraying polyethylene and… | Expired / Lapsed | 1950-08-26 | 1953-06-30 | 2 | Details |
| US2637738A | Reaction of silanes with aliphatic unsaturated compounds | Expired / Lapsed | 1949-09-17 | 1953-05-05 | 4 | Details |
| US2632013A | Process of producing organosilicon compounds | Expired / Lapsed | 1946-10-09 | 1953-03-17 | 2 | Details |
| US2622967A | Automatic gas ratio sampling device | Expired / Lapsed | 1947-08-01 | 1952-12-23 | 1 | Details |
| US2622056A | Adhesive compositions and method of bonding polyethylene us… | Expired / Lapsed | 1947-11-01 | 1952-12-16 | 2 | Details |
| US2615931A | Heavy duty gas depolarized dry battery | Expired / Lapsed | 1948-12-07 | 1952-10-28 | 2 | Details |
| US2608717A | Process for reducing weak spots in calendered film | Expired / Lapsed | 1950-11-20 | 1952-09-02 | 0 | Details |
| US2606855A | Plate or die for pressing or molding | Expired / Lapsed | 1947-03-15 | 1952-08-12 | 0 | Details |
| US2603620A | Production of solutions of acrylonitrile copolymers and tex… | Expired / Lapsed | 1950-05-18 | 1952-07-15 | 2 | Details |
| US2597964A | Fluid impervious carbon article and method of making same | Expired / Lapsed | 1951-11-09 | 1952-05-27 | 2 | Details |
| US2597987A | Heat and light stabilized vinyl resins and compositions the… | Expired / Lapsed | 1950-03-24 | 1952-05-27 | 2 | Details |
| US2586820A | Polyethylene film manufacture | Expired / Lapsed | 1948-06-26 | 1952-02-26 | 2 | Details |
| US2585182A | Grease lubricant | Expired / Lapsed | 1947-03-18 | 1952-02-12 | 1 | Details |
| US2583664A | Relief valve | Expired / Lapsed | 1945-06-09 | 1952-01-29 | 0 | Details |
| US2582327A | Process for powdering polyethylene | Expired / Lapsed | 1949-07-23 | 1952-01-15 | 2 | Details |
| US2572252A | Paint compositions | Expired / Lapsed | 1949-03-04 | 1951-10-23 | 2 | Details |
| US2567076A | Production of polyoxyethylene glycol superesters | Expired / Lapsed | 1947-11-06 | 1951-09-04 | 2 | Details |
| US2558855A | Rod comprising bonded fibrous material and method of making… | Expired / Lapsed | 1945-03-03 | 1951-07-03 | 4 | Details |
| US2552285A | Manufacture of composite material containing one or more al… | Expired / Lapsed | 1945-04-10 | 1951-05-08 | 1 | Details |
| US2544771A | Copper-chromium hydrogenation catalyst | Expired / Lapsed | 1943-10-14 | 1951-03-13 | 2 | Details |
| US2540171A | Fungicide | Expired / Lapsed | 1948-02-18 | 1951-02-06 | 1 | Details |
| US2536183A | Preparation of surfaces for adhesion | Expired / Lapsed | 1945-03-03 | 1951-01-02 | 2 | Details |
| US2530738A | Method of coating metal surfaces | Expired / Lapsed | 1947-02-04 | 1950-11-21 | 0 | Details |
| US2519375A | Method and apparatus for molding tubing | Expired / Lapsed | 1946-02-16 | 1950-08-22 | 0 | Details |
| US2518919A | Electrical contact brush | Expired / Lapsed | 1949-01-06 | 1950-08-15 | 0 | Details |
| US2512722A | Polyesters of 2-ethylhexanediol-1, 3 | Expired / Lapsed | 1947-05-20 | 1950-06-27 | 2 | Details |
| US2506486A | Thermosetting resin from a diphenol and a diglycidyl ether … | Expired / Lapsed | 1948-04-21 | 1950-05-02 | 2 | Details |
| US2499477A | Vinyl resin textile article | Expired / Lapsed | 1945-06-07 | 1950-03-07 | 1 | Details |
| US2480184A | Beneficiation of ores by the removal of iron | Expired / Lapsed | 1947-07-08 | 1949-08-30 | 0 | Details |
| US2423203A | Method of making blowpipe nozzle blanks | Expired / Lapsed | 1943-02-20 | 1947-07-01 | 0 | Details |
| US2416161A | Heating flame regulation | Expired / Lapsed | 1942-06-12 | 1947-02-18 | 0 | Details |
| US2366809A | Adjustable multiple connection | Expired / Lapsed | 1943-02-24 | 1945-01-09 | 0 | Details |
| US2349413A | Electrical conductor carrying vinyl resin composition | Expired / Lapsed | 1940-05-16 | 1944-05-23 | 0 | Details |
| US2318721A | Fluid pressure regulator | Expired / Lapsed | 1941-01-11 | 1943-05-11 | 0 | Details |
| US2299140A | Wire harness | Expired / Lapsed | 1939-06-28 | 1942-10-20 | 0 | Details |
| US2233875A | Laminated board and method of making same | Expired / Lapsed | 1937-01-13 | 1941-03-04 | 0 | Details |
| US2215955A | Metal salts of 12-ketostearic acid | Expired / Lapsed | 1939-04-07 | 1940-09-24 | 0 | Details |
| US2194613A | Process for making polyvinyl acetal resins | Expired / Lapsed | 1935-12-14 | 1940-03-26 | 0 | Details |
| US2185356A | Composite material | Expired / Lapsed | 1933-01-25 | 1940-01-02 | 0 | Details |
| US2179824A | Fluid moving machine | Expired / Lapsed | 1935-03-27 | 1939-11-14 | 0 | Details |
| US2172313A | Automatic reproducing process and machine | Expired / Lapsed | 1935-06-15 | 1939-09-05 | 0 | Details |
| US2169315A | Spinning thermoplastic materials | Expired / Lapsed | 1935-07-26 | 1939-08-15 | 0 | Details |
| US2151334A | Method of joining metal members | Expired / Lapsed | 1934-09-20 | 1939-03-21 | 0 | Details |
| US2149732A | Composite molded article and process for making the same | Expired / Lapsed | 1931-07-15 | 1939-03-07 | 0 | Details |
| US2148936A | Flame machining nozzle | Expired / Lapsed | 1935-01-12 | 1939-02-28 | 0 | Details |
| US2148109A | Method and apparatus for handling gas material | Expired / Lapsed | 1935-05-16 | 1939-02-21 | 0 | Details |
| US2145009A | Welding | Expired / Lapsed | 1935-11-05 | 1939-01-24 | 0 | Details |
| US2125172A | Process of treating the defective surface metal of billets … | Expired / Lapsed | 1932-07-29 | 1938-07-26 | 0 | Details |
| US2122994A | Welded joint and a method of making same | Expired / Lapsed | 1933-12-30 | 1938-07-05 | 0 | Details |
| US2123155A | Composite material | Expired / Lapsed | 1931-07-15 | 1938-07-05 | 0 | Details |
| US2120554A | Chromium steel | Expired / Lapsed | 1935-06-08 | 1938-06-14 | 0 | Details |
| US2099896A | Indicating extensometer | Expired / Lapsed | 1932-09-24 | 1937-11-23 | 0 | Details |
| US2097502A | Method of and apparatus for producing rods and the like of … | Expired / Lapsed | 1933-03-18 | 1937-11-02 | 0 | Details |
| US2093390A | Means and method of making electrode joints | Expired / Lapsed | 1934-12-19 | 1937-09-14 | 0 | Details |
| US2090575A | Motor | Expired / Lapsed | 1931-10-24 | 1937-08-17 | 0 | Details |
| US2089840A | Welding machine | Expired / Lapsed | 1933-04-26 | 1937-08-10 | 0 | Details |
| US2089014A | Method and apparatus for welding and cutting | Expired / Lapsed | 1931-06-08 | 1937-08-03 | 0 | Details |
| US2086942A | Pressure relief valve | Expired / Lapsed | 1931-01-19 | 1937-07-13 | 0 | Details |
| US2075429A | Process for producing vinyl resins | Expired / Lapsed | 1934-06-15 | 1937-03-30 | 0 | Details |
| US2068837A | Inlet nipple screen adapter | Expired / Lapsed | 1933-07-05 | 1937-01-26 | 0 | Details |
| US2068858A | Filtering nipple | Expired / Lapsed | 1932-11-01 | 1937-01-26 | 0 | Details |
| US2060035A | Method of making pyro-resins | Expired / Lapsed | 1932-09-14 | 1936-11-10 | 0 | Details |
| US2055774A | Odor filter | Expired / Lapsed | 1933-06-30 | 1936-09-29 | 0 | Details |
| US2053765A | Gauge glass | Expired / Lapsed | 1933-01-26 | 1936-09-08 | 0 | Details |
| US2047306A | Butt welding | Expired / Lapsed | 1930-06-30 | 1936-07-14 | 0 | Details |
| US2036601A | Pressure regulator | Expired / Lapsed | 1928-07-17 | 1936-04-07 | 0 | Details |
| US2030342A | Alloy | Expired / Lapsed | 1933-07-15 | 1936-02-11 | 0 | Details |
| US1880941A | Apparatus for detecting and estimating inflammable gases in… | Expired / Lapsed | 1927-04-05 | 1932-10-04 | 0 | Details |
| US1422182A | Treating gaseous hydrocarbon mixtures | Expired / Lapsed | 1919-06-05 | 1922-07-11 | 0 | Details |
| US986489A | Process of dissociating acetylene. | Expired / Lapsed | 1908-02-03 | 1911-03-14 | 0 | Details |
| US757634A | Electric-resistance furnace. | Expired / Lapsed | 1903-04-30 | 1904-04-19 | 0 | Details |