Imperial Chemical Industries Ltd
Imperial CActive Patents
0
Total Holdings
333
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| WO1992019747A1 | Production of polyhydroxyalkanoate in plants | Expired / Lapsed | 1992-04-23 | — | 0 | Details |
| WO1991019759A1 | Hydroxyalkanoate polymer composition | Expired / Lapsed | 1991-06-07 | — | 0 | Details |
| WO1991011509A1 | Stabilized cultures of microorganisms | Expired / Lapsed | 1991-01-28 | — | 0 | Details |
| EP0392734A1 | Prosthetic device | Expired / Lapsed | 1990-04-04 | — | 20 | Details |
| EP0240131A2 | Tamoxifen for topical use | Expired / Lapsed | 1987-02-23 | — | 5 | Details |
| GB2166354A | Wound dressings | Expired / Lapsed | 1985-09-27 | — | 10 | Details |
| EP0166596A2 | Biodegradable amphipathic copolymers | Expired / Lapsed | 1985-06-24 | — | 12 | Details |
| EP0162651A1 | Aromatic oligomers | Expired / Lapsed | 1985-05-14 | — | 16 | Details |
| EP0142950A2 | Disposable bags | Expired / Lapsed | 1984-10-25 | — | 12 | Details |
| EP0119699A1 | Aqueous latex copolymer composition | Expired / Lapsed | 1984-01-30 | — | 34 | Details |
| EP0114086A2 | Production of beta-hydroxybutyrate polymers | Expired / Lapsed | 1984-01-03 | — | 9 | Details |
| EP0092918A2 | Continuous release formulations | Expired / Lapsed | 1983-03-31 | — | 12 | Details |
| EP0072185A2 | Reflected light measuring apparatus | Expired / Lapsed | 1982-08-03 | — | 12 | Details |
| EP0061884A1 | Optical fibre sensor | Expired / Lapsed | 1982-03-23 | — | 11 | Details |
| EP0052946A1 | Stabilised polyester compositions | Expired / Lapsed | 1981-10-26 | — | 16 | Details |
| JPS5774084A | Preparation of bacterial strain containing roly(beta-hydrox… | Expired / Lapsed | 1981-08-19 | — | 0 | Details |
| EP0046017A2 | Extraction of poly(beta-hydroxy butyric acid) | Expired / Lapsed | 1981-07-15 | — | 10 | Details |
| EP0046335A2 | Extraction of poly(beta-hydroxybutyric acid) | Expired / Lapsed | 1981-07-15 | — | 12 | Details |
| EP0021613A1 | Pyridine derivatives, processes for preparing them, herbici… | Expired / Lapsed | 1980-05-27 | — | 13 | Details |
| EP0007790A1 | Driverless vehicle carrying non-directional detectors auto-… | Expired / Lapsed | 1979-07-24 | — | 12 | Details |
| DE2818655A1 | LIPOSOME | Expired / Lapsed | 1978-04-27 | — | 0 | Details |
| FR2340079A2 | FIBROUS PRODUCT, ESPECIALLY FOR DRESSINGS AND PROSTHESIS CO… | Expired / Lapsed | 1977-02-03 | — | 0 | Details |
| FR2281448A1 | FIBROUS PRODUCT, ESPECIALLY FOR DRESSINGS AND PROSTHESIS CO… | Expired / Lapsed | 1975-08-04 | — | 0 | Details |
| FR2250070A1 | Flameless, catalytic oxidn appts - with catalyst deposited … | Expired / Lapsed | 1974-11-07 | — | 0 | Details |
| DE2323454A1 | METHOD FOR PRODUCING CYCLOPENTENE COMPOUNDS | Expired / Lapsed | 1973-05-09 | — | 0 | Details |
| FR2157985A1 | FR2157985A1 - - Google Patents | Expired / Lapsed | 1972-10-26 | — | 0 | Details |
| GB1408265A | Photopolymerisable composition | Expired / Lapsed | 1972-03-02 | — | 0 | Details |
| GB1153527A | Aromatic Polymers and the production thereof | Expired / Lapsed | 1967-03-23 | — | 0 | Details |
| GB1086021A | Process for the production of aromatic polyketones | Expired / Lapsed | 1964-01-22 | — | 0 | Details |
| GB1028979A | Improvements in or relating to imparting latent or potentia… | Expired / Lapsed | 1962-05-24 | — | 0 | Details |
| GB968715A | Polymeric anhydrides | Expired / Lapsed | 1961-10-12 | — | 0 | Details |
| GB894803A | Bonded non-woven fibrous materials | Expired / Lapsed | 1960-02-09 | — | 0 | Details |
| GB840191A | Films of polypropylene | Expired / Lapsed | 1957-09-11 | — | 0 | Details |
| GB835152A | Improved polymer compositions | Expired / Lapsed | 1957-08-07 | — | 0 | Details |
| GB786166A | Improvements in electronic counters | Expired / Lapsed | 1954-09-17 | — | 0 | Details |
| GB781879A | Improvements in and relating to the manufacture of films | Expired / Lapsed | 1954-08-11 | — | 0 | Details |
| GB766311A | Improvements in or relating to electronic counters | Expired / Lapsed | 1953-11-30 | — | 0 | Details |
| GB715851A | Improvements in the shrink-proofing of wool | Expired / Lapsed | 1952-05-02 | — | 0 | Details |
| GB733624A | New synthetic resins derived from linear aliphatic polyethe… | Expired / Lapsed | 1952-04-10 | — | 0 | Details |
| GB771052A | Improvements in and relating to weighing equipment | Expired / Lapsed | 1952-02-18 | — | 0 | Details |
| GB708936A | Improvements in paper-making and like machine felts | Expired / Lapsed | 1951-06-06 | — | 0 | Details |
| GB699080A | Production of new esters of ortho-phosphoric acid and salts… | Expired / Lapsed | 1950-05-31 | — | 0 | Details |
| GB703153A | Improvements in and relating to articles of clothing imperv… | Expired / Lapsed | 1949-10-04 | — | 0 | Details |
| GB601715A | The coating of sheet materials | Expired / Lapsed | 1946-05-17 | — | 0 | Details |
| GB610171A | Improvements in woven fabrics | Expired / Lapsed | 1946-03-29 | — | 0 | Details |
| GB610170A | Plastic articles reinforced with filaments, fibres, yarns, … | Expired / Lapsed | 1946-03-29 | — | 0 | Details |
| GB601713A | The coating of sheet materials | Expired / Lapsed | 1946-03-15 | — | 0 | Details |
| GB609526A | An improved method and apparatus for forming the seams in f… | Expired / Lapsed | 1946-03-11 | — | 0 | Details |
| GB617605A | Improved resin moulding compositions | Expired / Lapsed | 1945-11-15 | — | 0 | Details |
| GB591611A | Improvements in the production of adherent or removable lin… | Expired / Lapsed | 1945-05-11 | — | 0 | Details |
| GB583754A | New and improved synthetic resins | Expired / Lapsed | 1944-11-29 | — | 0 | Details |
| GB586801A | Improvements in or relating to the production of fluid comp… | Expired / Lapsed | 1944-10-02 | — | 0 | Details |
| GB583268A | Improvements in or relating to alkyd resins | Expired / Lapsed | 1944-07-28 | — | 0 | Details |
| GB585395A | Improvements in or relating to the production of hollow art… | Expired / Lapsed | 1944-02-21 | — | 0 | Details |
| GB580250A | The production of synthetic resin compositions of improved … | Expired / Lapsed | 1943-12-22 | — | 0 | Details |
| GB575798A | Construction of aircraft runways, roads, floors and like su… | Expired / Lapsed | 1943-08-04 | — | 0 | Details |
| GB566745A | Improvements in or relating to the coating of the interiors… | Expired / Lapsed | 1943-06-25 | — | 0 | Details |
| GB565066A | Modification of filaments, bristles, yarns, and the like de… | Expired / Lapsed | 1943-01-18 | — | 0 | Details |
| GB558297A | Improvements in and relating to the production of crimped t… | Expired / Lapsed | 1942-06-26 | — | 0 | Details |
| GB545500A | Improvements in or relating to halogenated polythenes | Expired / Lapsed | 1940-09-27 | — | 0 | Details |
| GB518917A | Finishing of textile materials | Expired / Lapsed | 1938-06-10 | — | 0 | Details |
| GB514912A | Improvements in or relating to the manufacture and applicat… | Expired / Lapsed | 1938-05-18 | — | 0 | Details |
| GB501288A | Process of treating cellulosic textile materials | Expired / Lapsed | 1937-08-23 | — | 0 | Details |
| GB491804A | Improvements in or relating to impregnated paper, fabric an… | Expired / Lapsed | 1937-03-08 | — | 0 | Details |
| GB493139A | A method of bonding synthetic rubber-like materials to meta… | Expired / Lapsed | 1937-03-01 | — | 0 | Details |
| AU921932A | Improvements inthe production of fertilizers | Expired / Lapsed | 1932-09-16 | — | 0 | Details |
| US5222987A | Composite material for use in a prosthetic device | Expired / Lapsed | 1990-04-09 | 1993-06-29 | 24 | Details |
| US4878908A | Fibrillar product | Expired / Lapsed | 1988-06-01 | 1989-11-07 | 11 | Details |
| US4829996A | Apparatus for producing a spray of droplets of a liquid | Expired / Lapsed | 1987-02-24 | 1989-05-16 | 14 | Details |
| US4797429A | Bromine-containing polyols | Expired / Lapsed | 1987-03-11 | 1989-01-10 | 14 | Details |
| US4795330A | Apparatus for particles | Expired / Lapsed | 1987-02-24 | 1989-01-03 | 8 | Details |
| US4788016A | Apparatus and process for producing powders and other granu… | Expired / Lapsed | 1987-06-16 | 1988-11-29 | 26 | Details |
| EP0119699B1 | Aqueous latex copolymer composition | Expired / Lapsed | 1984-01-30 | 1988-06-22 | 32 | Details |
| US4663639A | Printer | Expired / Lapsed | 1985-03-26 | 1987-05-05 | 24 | Details |
| US4620999A | Disposable bags | Expired / Lapsed | 1984-11-05 | 1986-11-04 | 13 | Details |
| US4600310A | Optical fibre sensor | Expired / Lapsed | 1982-03-29 | 1986-07-15 | 11 | Details |
| US4563486A | Polymerizable composition comprising (a) phosphorus oxyacid… | Expired / Lapsed | 1984-06-15 | 1986-01-07 | 7 | Details |
| US4560248A | Fibre optic sensor with bonded dye | Expired / Lapsed | 1982-08-09 | 1985-12-24 | 11 | Details |
| US4549243A | Spraying apparatus | Expired / Lapsed | 1984-03-13 | 1985-10-22 | 19 | Details |
| US4520066A | Polyester fibrefill blend | Expired / Lapsed | 1983-01-14 | 1985-05-28 | 3 | Details |
| US4517456A | Color multiplexing passive sensor array | Expired / Lapsed | 1981-12-08 | 1985-05-14 | 21 | Details |
| US4438236A | Compositions of melt-processable polymers having improved p… | Expired / Lapsed | 1982-06-14 | 1984-03-20 | 13 | Details |
| US4429104A | Prepration of shaped articles of intractable polymers | Expired / Lapsed | 1982-03-26 | 1984-01-31 | 6 | Details |
| US4427574A | Catalysts | Expired / Lapsed | 1982-06-14 | 1984-01-24 | 8 | Details |
| US4409285A | Surface-modifying coating compositions | Expired / Lapsed | 1981-11-03 | 1983-10-11 | 2 | Details |
| US4375494A | Polyester film composites | Expired / Lapsed | 1981-02-23 | 1983-03-01 | 7 | Details |
| US4374937A | Dispersions of siliceous solids in liquid organic media | Expired / Lapsed | 1981-07-01 | 1983-02-22 | 30 | Details |
| US4358583A | Extraction of poly(β-hydroxy butyric acid) | Expired / Lapsed | 1981-07-28 | 1982-11-09 | 9 | Details |
| US4336334A | Microbiological process for the production of poly(β-hydrox… | Expired / Lapsed | 1980-02-21 | 1982-06-22 | 9 | Details |
| US4322335A | Fast crystallizing block copolyester composition | Expired / Lapsed | 1980-09-08 | 1982-03-30 | 8 | Details |
| US4309758A | Driverless vehicle autoguided by light signals and three no… | Expired / Lapsed | 1979-08-01 | 1982-01-05 | 12 | Details |
| US4307111A | 1-Hydrocarbyloxyphenyl-1,2-diphenylalkene derivatives | Expired / Lapsed | 1980-04-29 | 1981-12-22 | 9 | Details |
| US4288563A | Process for the manufacture of a glass fibre-reinforced pla… | Expired / Lapsed | 1979-03-16 | 1981-09-08 | 10 | Details |
| US4263252A | Method for producing an oriented tubular film | Expired / Lapsed | 1979-04-25 | 1981-04-21 | 6 | Details |
| US4251576A | Inorganic reinforcing phase dispersed and bonded to polymer… | Expired / Lapsed | 1980-02-04 | 1981-02-17 | 12 | Details |
| US4242384A | Spray coating of acrylic resin comprising polymeric micropa… | Expired / Lapsed | 1978-07-07 | 1980-12-30 | 11 | Details |
| US4241144A | Antistatic polyolefin films | Expired / Lapsed | 1979-03-30 | 1980-12-23 | 4 | Details |
| US4235686A | Photopolymerizable composition comprising α,αdiketone catal… | Expired / Lapsed | 1977-11-04 | 1980-11-25 | 14 | Details |
| US4221697A | Composite materials | Expired / Lapsed | 1978-01-23 | 1980-09-09 | 23 | Details |
| US4154093A | Measurement of viscoelastic properties | Expired / Lapsed | 1978-04-06 | 1979-05-15 | 13 | Details |
| US4151049A | Compositions having protein reactive groups, membranes, ele… | Expired / Lapsed | 1977-03-16 | 1979-04-24 | 8 | Details |
| US4145400A | Process for the preparation of plural metal crystalline com… | Expired / Lapsed | 1977-04-12 | 1979-03-20 | 5 | Details |
| US4126645A | Selective hydrogenation of highly unsaturated hydrocarbons … | Expired / Lapsed | 1977-03-25 | 1978-11-21 | 9 | Details |
| US4110184A | Photocurable dental filling compositions | Expired / Lapsed | 1974-10-11 | 1978-08-29 | 2 | Details |
| US4089762A | Photopolymerizable compositions | Expired / Lapsed | 1975-05-16 | 1978-05-16 | 9 | Details |
| US4089758A | Electrolytic process | Expired / Lapsed | 1975-05-16 | 1978-05-16 | 20 | Details |
| US4061827A | Fibres | Expired / Lapsed | 1976-03-01 | 1977-12-06 | 16 | Details |
| US4054697A | Decorative sheet material | Expired / Lapsed | 1975-10-28 | 1977-10-18 | 7 | Details |
| US4046898A | 6-Aryl-pyrrolo[1,2-a]Imidazole derivatives which possess an… | Expired / Lapsed | 1976-01-26 | 1977-09-06 | 10 | Details |
| US4044404A | Fibrillar lining for prosthetic device | Expired / Lapsed | 1975-08-01 | 1977-08-30 | 19 | Details |
| US4043331A | Fibrillar product of electrostatically spun organic material | Expired / Lapsed | 1975-08-01 | 1977-08-23 | 18 | Details |
| US4042978A | Prosthetics | Expired / Lapsed | 1975-06-11 | 1977-08-23 | 19 | Details |
| US4015033A | Laminates of acrylonitrile/styrene copolymers | Expired / Lapsed | 1975-03-06 | 1977-03-29 | 8 | Details |
| US4005169A | Non-woven fabrics | Expired / Lapsed | 1975-04-17 | 1977-01-25 | 15 | Details |
| USRE29039E | Metal deposition process | Expired / Lapsed | 1975-06-30 | 1976-11-16 | 25 | Details |
| US3963627A | Surface treatment of particulate solids | Expired / Lapsed | 1974-06-11 | 1976-06-15 | 4 | Details |
| US3933728A | Moulding composition | Expired / Lapsed | 1974-05-13 | 1976-01-20 | 31 | Details |
| US3930979A | Porous diaphragms | Expired / Lapsed | 1974-06-27 | 1976-01-06 | 21 | Details |
| US3908201A | Prosthetics | Expired / Lapsed | 1973-06-08 | 1975-09-30 | 7 | Details |
| US3890417A | Porous diaphragms | Expired / Lapsed | 1973-01-24 | 1975-06-17 | 29 | Details |
| US3878019A | Process of producing spot bonded non-woven webs using ultra… | Expired / Lapsed | 1973-05-16 | 1975-04-15 | 14 | Details |
| US3874376A | Photocurable resin impregnated fabric for forming rigid ort… | Expired / Lapsed | 1972-11-17 | 1975-04-01 | 29 | Details |
| US3862287A | Production of fibre reinforced thermoplastic materials | Expired / Lapsed | 1972-05-26 | 1975-01-21 | 7 | Details |
| US3840384A | Method and device for coating plastics film | Expired / Lapsed | 1972-03-03 | 1974-10-08 | 17 | Details |
| US3827277A | Applicator for surgical clips | Expired / Lapsed | 1973-06-22 | 1974-08-06 | 2 | Details |
| US3824221A | Metallated polymers | Expired / Lapsed | 1970-01-02 | 1974-07-16 | 0 | Details |
| US3814097A | Dressing | Expired / Lapsed | 1973-01-24 | 1974-06-04 | 11 | Details |
| US3799919A | Surface treating compositions | Expired / Lapsed | 1972-04-10 | 1974-03-26 | 0 | Details |
| US3784152A | Process of producing a composite mold having cooling pipes … | Expired / Lapsed | 1972-04-24 | 1974-01-08 | 42 | Details |
| US3774438A | Applicator for surgical clips | Expired / Lapsed | 1970-07-20 | 1973-11-27 | 2 | Details |
| US3772247A | Siloxanes | Expired / Lapsed | 1972-09-08 | 1973-11-13 | 0 | Details |
| US3742087A | Thermoplastic blends of aromatic polysulfones and thermopla… | Expired / Lapsed | 1970-09-15 | 1973-06-26 | 16 | Details |
| US3740113A | Light guide | Expired / Lapsed | 1970-02-16 | 1973-06-19 | 8 | Details |
| US3733383A | Deformation of polymeric materials | Expired / Lapsed | 1970-07-09 | 1973-05-15 | 0 | Details |
| US3725191A | Foam laminates | Expired / Lapsed | 1971-09-20 | 1973-04-03 | 0 | Details |
| US3718498A | Catalytic composition | Expired / Lapsed | 1971-03-29 | 1973-02-27 | 8 | Details |
| US3703099A | Pressure transducer | Expired / Lapsed | 1970-10-23 | 1972-11-21 | 8 | Details |
| US3660508A | Polycyclic compounds and copolymers derived therefrom | Expired / Lapsed | 1970-08-21 | 1972-05-02 | 0 | Details |
| FR2106261A5 | Carbon paper - leucoauramine coating gives more light stabl… | Expired / Lapsed | 1971-09-03 | 1972-04-28 | 0 | Details |
| US3646232A | Polycyclic dienes | Expired / Lapsed | 1970-07-20 | 1972-02-29 | 0 | Details |
| US3638299A | Process for the production of molds | Expired / Lapsed | 1969-12-16 | 1972-02-01 | 18 | Details |
| US3637003A | Composite breaker belt for radial ply tire | Expired / Lapsed | 1966-09-02 | 1972-01-25 | 6 | Details |
| US3636135A | Polyamides admixed with polyetheresteramides | Expired / Lapsed | 1969-08-22 | 1972-01-18 | 0 | Details |
| US3620774A | Plastics containers and packages | Expired / Lapsed | 1968-08-01 | 1971-11-16 | 19 | Details |
| US3615709A | Plastic film package containing contents under superatmosph… | Expired / Lapsed | 1968-08-01 | 1971-10-26 | 6 | Details |
| US3595720A | Heating elements | Expired / Lapsed | 1967-10-09 | 1971-07-27 | 0 | Details |
| US3589506A | Plastics containers and packages | Expired / Lapsed | 1968-08-01 | 1971-06-29 | 16 | Details |
| CA863922A | Coating of transparent plastic articles | Expired / Lapsed | — | 1971-02-16 | 0 | Details |
| US3562200A | Polyethylene terephthalate containing ethylene | Expired / Lapsed | 1968-08-22 | 1971-02-09 | 0 | Details |
| US3544671A | Process for neck drawing block copolymer films and filaments | Expired / Lapsed | 1969-07-01 | 1970-12-01 | 0 | Details |
| US3528937A | Aqueous solutions of polyamide acids | Expired / Lapsed | 1968-02-15 | 1970-09-15 | 0 | Details |
| US3525653A | Reduction of pilling of fabrics with ultrasonic energy | Expired / Lapsed | 1969-08-13 | 1970-08-25 | 0 | Details |
| US3525133A | Intermingling jets for multifilament yarn | Expired / Lapsed | 1968-04-29 | 1970-08-25 | 0 | Details |
| US3515626A | Thermoplastic laminates having improved surface properties | Expired / Lapsed | 1966-02-07 | 1970-06-02 | 0 | Details |
| US3502623A | Polyesters of caprolactone,terephthalic acid,and ethylene g… | Expired / Lapsed | 1967-05-08 | 1970-03-24 | 0 | Details |
| US3492277A | Olefine copolymers containing polar groups and process for … | Expired / Lapsed | 1967-11-24 | 1970-01-27 | 0 | Details |
| US3488400A | Hydrogenation process | Expired / Lapsed | 1967-08-21 | 1970-01-06 | 0 | Details |
| US3479245A | Woven stretch fabric having yarn crimp superimposed on fila… | Expired / Lapsed | 1964-11-25 | 1969-11-18 | 0 | Details |
| US3474123A | Production of organosilicon compounds | Expired / Lapsed | 1965-07-16 | 1969-10-21 | 0 | Details |
| US3450796A | Production of thermoplastic polymeric materials | Expired / Lapsed | 1968-06-19 | 1969-06-17 | 0 | Details |
| US3448573A | High tenacity yarns made from polyethylene terephthalate,pa… | Expired / Lapsed | 1968-02-12 | 1969-06-10 | 0 | Details |
| US3445961A | Agriculture spraying machines | Expired / Lapsed | 1967-04-27 | 1969-05-27 | 0 | Details |
| US3433753A | Paint composition including a dispersant having a solvatabl… | Expired / Lapsed | 1964-07-27 | 1969-03-18 | 2 | Details |
| US3420762A | Electrocoating process with pretreatment of articles | Expired / Lapsed | 1965-01-18 | 1969-01-07 | 0 | Details |
| US3420923A | Process for manufacturing foamed plastic articles having ou… | Expired / Lapsed | 1964-07-27 | 1969-01-07 | 0 | Details |
| US3413797A | Treatment of oriented crystalline polyester filaments | Expired / Lapsed | 1966-08-18 | 1968-12-03 | 0 | Details |
| US3393162A | Block and graft copolymer coated pigments | Expired / Lapsed | 1962-10-04 | 1968-07-16 | 2 | Details |
| US3385959A | Flexible heating elements | Expired / Lapsed | 1965-05-26 | 1968-05-28 | 0 | Details |
| US3385757A | Quantitative hemadsorption assay technique for the estimati… | Expired / Lapsed | 1963-11-14 | 1968-05-28 | 2 | Details |
| US3382297A | Polymer dispersions | Expired / Lapsed | 1964-07-20 | 1968-05-07 | 0 | Details |
| US3361533A | Process for the production of hydrogen peroxide from its el… | Expired / Lapsed | 1963-06-17 | 1968-01-02 | 2 | Details |
| US3316610A | Method of rendering fabrics stretchable | Expired / Lapsed | 1963-12-02 | 1967-05-02 | 2 | Details |
| US3304220A | Production of non-woven webs from synthetic fibers | Expired / Lapsed | 1963-05-06 | 1967-02-14 | 3 | Details |
| US3288732A | Preparation of open-cell rigid polyurethanes | Expired / Lapsed | 1963-12-16 | 1966-11-29 | 2 | Details |
| US3287444A | Production of thermoplastic polymeric materials | Expired / Lapsed | 1962-12-03 | 1966-11-22 | 0 | Details |
| US3281930A | Joining clad metal parts | Expired / Lapsed | 1963-10-24 | 1966-11-01 | 2 | Details |
| US3278465A | Manufacture of cellular polyurethane materials in the prese… | Expired / Lapsed | 1963-06-24 | 1966-10-11 | 2 | Details |
| US3278404A | Method and apparatus for cathodic protection | Expired / Lapsed | 1958-07-16 | 1966-10-11 | 2 | Details |
| US3276901A | Process for coating by spraying a solvent liquid and a disp… | Expired / Lapsed | 1962-05-04 | 1966-10-04 | 2 | Details |
| US3262808A | Method of coating oriented polypropylene films with heat se… | Expired / Lapsed | 1961-10-04 | 1966-07-26 | 2 | Details |
| US3255069A | Laminated article bonded by a curable polyurethane elastome… | Expired / Lapsed | 1961-10-25 | 1966-06-07 | 2 | Details |
| US3255068A | Laminated article bonded by a curable polyurethane elastome… | Expired / Lapsed | 1961-10-25 | 1966-06-07 | 3 | Details |
| US3233023A | Spinning of polypropylene | Expired / Lapsed | 1963-02-21 | 1966-02-01 | 2 | Details |
| US3228759A | Anionic polymerization of lactams with volatile promoters | Expired / Lapsed | 1962-02-23 | 1966-01-11 | 2 | Details |
| FR1383048A | Polysulfone manufacturing process | Expired / Lapsed | 1963-11-06 | 1964-12-24 | 0 | Details |
| US3150150A | Preparation of delta copper phthalocyanine | Expired / Lapsed | 1961-02-10 | 1964-09-22 | 2 | Details |
| US3143584A | Spinning polypropylenes which have been subjected to therma… | Expired / Lapsed | 1962-03-15 | 1964-08-04 | 2 | Details |
| CA684685A | Polymers | Expired / Lapsed | — | 1964-04-21 | 0 | Details |
| US3128527A | Process for making fabric from bulked yarn | Expired / Lapsed | 1960-11-23 | 1964-04-14 | 2 | Details |
| US3128196A | Surface modified silica | Expired / Lapsed | 1961-05-12 | 1964-04-07 | 2 | Details |
| US3099515A | Silicon chloride treated polyolefin article and its product… | Expired / Lapsed | 1960-06-27 | 1963-07-30 | 2 | Details |
| CA655540A | Bonding glass to glass or to plastics, particularly to poly… | Expired / Lapsed | — | 1963-01-08 | 0 | Details |
| US3065214A | Cross-linked reaction product of tetrafluoroethylene and tr… | Expired / Lapsed | 1956-10-12 | 1962-11-20 | 4 | Details |
| US3049488A | Method of conducting gaseous chemical reactions | Expired / Lapsed | 1960-01-11 | 1962-08-14 | 2 | Details |
| US3012008A | Polyisocyanate compositions | Expired / Lapsed | 1958-03-28 | 1961-12-05 | 2 | Details |
| CA628863A | Drawing process | Expired / Lapsed | — | 1961-10-10 | 0 | Details |
| US2990604A | Process of thermally treating and lubricating polyethylene … | Expired / Lapsed | 1957-07-08 | 1961-07-04 | 2 | Details |
| US2987426A | Alkali baths for metal treatment | Expired / Lapsed | 1958-01-27 | 1961-06-06 | 2 | Details |
| US2978449A | Polymeric isocyanates and their manufacture | Expired / Lapsed | 1957-11-12 | 1961-04-04 | 2 | Details |
| US2977324A | Catalysts | Expired / Lapsed | 1958-06-20 | 1961-03-28 | 2 | Details |
| US2974391A | Process and apparatus for making crimped filaments | Expired / Lapsed | 1956-11-30 | 1961-03-14 | 0 | Details |
| US2950263A | Preparation of foamed castor oil citrate-organic polyisocya… | Expired / Lapsed | 1958-05-02 | 1960-08-23 | 2 | Details |
| US2950177A | Apparatus for the determination and control of compositions… | Expired / Lapsed | 1957-02-21 | 1960-08-23 | 2 | Details |
| US2944157A | Shaft-position determining apparatus | Expired / Lapsed | 1954-11-22 | 1960-07-05 | 0 | Details |
| FR1220408A | Multiple electrolytic cells | Expired / Lapsed | 1959-03-16 | 1960-05-24 | 0 | Details |
| US2925983A | Pulse generator weigher | Expired / Lapsed | 1953-02-13 | 1960-02-23 | 0 | Details |
| US2926010A | Automatic weigher | Expired / Lapsed | 1953-02-13 | 1960-02-23 | 0 | Details |
| US2916764A | Apparatus including tube flattening rollers for inflating t… | Expired / Lapsed | 1957-08-23 | 1959-12-15 | 0 | Details |
| US2906670A | Process of producing gibberellic acid by two stage cultivat… | Expired / Lapsed | 1958-01-31 | 1959-09-29 | 2 | Details |
| US2880192A | Rubbery composition comprising a crystalline polyester and … | Expired / Lapsed | 1955-01-10 | 1959-03-31 | 2 | Details |
| US2874146A | Polymeric compositions | Expired / Lapsed | 1956-06-26 | 1959-02-17 | 2 | Details |
| US2865103A | Shaft rotation determining apparatus | Expired / Lapsed | 1956-02-09 | 1958-12-23 | 0 | Details |
| US2863172A | Apparatus for production of films | Expired / Lapsed | 1954-07-27 | 1958-12-09 | 0 | Details |
| US2862234A | Apparatus for introducing fluid pressure into continuously … | Expired / Lapsed | 1956-05-18 | 1958-12-02 | 0 | Details |
| US2848441A | New hydroxy-carboxylic acid and condensation thereof | Expired / Lapsed | 1955-08-23 | 1958-08-19 | 4 | Details |
| US2846121A | Apparatus for dispensing fluids | Expired / Lapsed | 1956-09-06 | 1958-08-05 | 0 | Details |
| US2846198A | Heat exchangers | Expired / Lapsed | 1954-11-26 | 1958-08-05 | 0 | Details |
| FR1160190A | Load adjustment mechanism | Expired / Lapsed | 1956-11-08 | 1958-07-08 | 0 | Details |
| FR1154495A | Textile articles made from synthetic linear polymer fibers | Expired / Lapsed | 1956-05-31 | 1958-04-10 | 0 | Details |
| US2826526A | Adhesives | Expired / Lapsed | 1954-09-10 | 1958-03-11 | 2 | Details |
| US2814837A | Method and apparatus for crimping the filaments of a tow of… | Expired / Lapsed | 1955-05-10 | 1957-12-03 | 0 | Details |
| US2814991A | Art of delay electric shot-firing of blasting explosive cha… | Expired / Lapsed | 1953-04-30 | 1957-12-03 | 0 | Details |
| US2812711A | Apparatus for firing explosive charges | Expired / Lapsed | 1953-11-17 | 1957-11-12 | 0 | Details |
| US2805173A | Photographic film base and process for the manufacture ther… | Expired / Lapsed | 1956-06-11 | 1957-09-03 | 1 | Details |
| US2799663A | Resinous polyhydric alcohols modified with polyisocyanates | Expired / Lapsed | 1953-08-03 | 1957-07-16 | 0 | Details |
| US2730518A | Beryllium hydroxide as catalyst in reacting polyesters with… | Expired / Lapsed | 1954-07-23 | 1956-01-10 | 1 | Details |
| US2728951A | Process for quenching melt extruded film | Expired / Lapsed | 1953-01-19 | 1956-01-03 | 2 | Details |
| US2721371A | Packaging of yarns and filaments | Expired / Lapsed | 1953-01-05 | 1955-10-25 | 2 | Details |
| US2714832A | Article sorting and delivery machine | Expired / Lapsed | 1949-09-19 | 1955-08-09 | 0 | Details |
| US2683100A | Copolyesters and their use for electrical insulation | Expired / Lapsed | 1950-07-11 | 1954-07-06 | 2 | Details |
| US2678285A | Articles comprising synthetic thermoplastic materials and m… | Expired / Lapsed | 1951-12-04 | 1954-05-11 | 2 | Details |
| US2676164A | Coated nylon fabrics | Expired / Lapsed | 1951-02-26 | 1954-04-20 | 2 | Details |
| US2675339A | Bonding of polyethylene with resinous polymeric aromatic ph… | Expired / Lapsed | 1950-06-30 | 1954-04-13 | 1 | Details |
| US2667699A | Apparatus for measuring extension of samples under tension | Expired / Lapsed | 1950-10-12 | 1954-02-02 | 0 | Details |
| US2667482A | Production of water-soluble salts of certain cellulose deri… | Expired / Lapsed | 1951-01-16 | 1954-01-26 | 2 | Details |
| US2666835A | Electric resistance welding process | Expired / Lapsed | 1951-07-24 | 1954-01-19 | 2 | Details |
| US2653919A | Aqueous polyethylene dispersions produced by subjecting mol… | Expired / Lapsed | 1950-09-06 | 1953-09-29 | 2 | Details |
| US2615699A | Contacting liquids with gases or vapors | Expired / Lapsed | 1947-02-25 | 1952-10-28 | 0 | Details |
| US2607772A | Production of powdery products comprising carboxymethyl cel… | Expired / Lapsed | 1950-12-05 | 1952-08-19 | 2 | Details |
| US2607656A | Production of close woven cellulose fabrics by dissolving t… | Expired / Lapsed | 1949-03-08 | 1952-08-19 | 2 | Details |
| US2606162A | Compositions comprising polyisocyanate modified polyesters … | Expired / Lapsed | 1949-01-24 | 1952-08-05 | 2 | Details |
| US2590402A | Lightweight polymethylene terephthalate fabric produced by … | Expired / Lapsed | 1949-08-08 | 1952-03-25 | 2 | Details |
| US2571319A | Production of colored filaments and fibers | Expired / Lapsed | 1949-11-25 | 1951-10-16 | 2 | Details |
| CA476476A | Derivatives from polymers and interpolymers of ethylene | Expired / Lapsed | — | 1951-08-28 | 0 | Details |
| US2552935A | Solders | Expired / Lapsed | 1950-09-07 | 1951-05-15 | 2 | Details |
| US2535202A | Indicating, recording, and controlling apparatus | Expired / Lapsed | 1945-02-27 | 1950-12-26 | 0 | Details |
| US2529956A | Method for making silicon ester resins | Expired / Lapsed | 1946-08-06 | 1950-11-14 | 2 | Details |
| US2527240A | Manufacture of organic polycarbamates from chloroformic est… | Expired / Lapsed | 1947-07-01 | 1950-10-24 | 1 | Details |
| US2524862A | Method and apparatus for producing cast synthetic resin str… | Expired / Lapsed | 1947-07-30 | 1950-10-10 | 1 | Details |
| US2517351A | Thermoplastic compositions plasticized with an ester of 3, … | Expired / Lapsed | 1948-08-26 | 1950-08-01 | 2 | Details |
| US2500728A | Production of polymeric resin sheets by continuously polyme… | Expired / Lapsed | 1945-06-11 | 1950-03-14 | 1 | Details |
| US2497376A | Process of producing films | Expired / Lapsed | 1947-03-21 | 1950-02-14 | 0 | Details |
| US2495407A | Production of organic fluorine compounds | Expired / Lapsed | 1948-03-09 | 1950-01-24 | 2 | Details |
| US2491709A | Preparation of rubber and plastics in cellular form by mean… | Expired / Lapsed | 1945-11-01 | 1949-12-20 | 0 | Details |
| US2491102A | Coated sheet materials and plastic compositions therefor | Expired / Lapsed | 1945-05-16 | 1949-12-13 | 0 | Details |
| US2472347A | Prevention and destruction of weeds | Expired / Lapsed | 1945-08-14 | 1949-06-07 | 0 | Details |
| US2470042A | Process for flameproofing combustible celluloseic material … | Expired / Lapsed | 1946-11-21 | 1949-05-10 | 0 | Details |
| US2456133A | Pump for gaseous working fluids | Expired / Lapsed | 1944-02-11 | 1948-12-14 | 0 | Details |
| US2442040A | Manufacture of acrylonitrile from acetylene and hcn | Expired / Lapsed | 1946-05-29 | 1948-05-25 | 0 | Details |
| US2432148A | Curing of diisocyanate-modified polyester | Expired / Lapsed | 1944-03-14 | 1947-12-09 | 0 | Details |
| US2431921A | Benzoyl peroxide treatment of reaction products of diisocya… | Expired / Lapsed | 1945-01-30 | 1947-12-02 | 0 | Details |
| US2428716A | Method of coating fabric with polyvinyl chloride | Expired / Lapsed | 1942-01-02 | 1947-10-07 | 0 | Details |
| US2424884A | Sulfur vulcanization of unsaturated reaction products of di… | Expired / Lapsed | 1944-02-17 | 1947-07-29 | 0 | Details |
| US2424885A | Paraformaldehyde treatment of reaction products of diisocya… | Expired / Lapsed | 1944-02-17 | 1947-07-29 | 0 | Details |
| US2424883A | Paraformaldehyde modified reaction products of diisocyanate… | Expired / Lapsed | 1942-11-20 | 1947-07-29 | 0 | Details |
| US2422919A | Manufacture of chlorinated polythenes | Expired / Lapsed | 1942-11-18 | 1947-06-24 | 0 | Details |
| US2414934A | Manufacture of polymerization products | Expired / Lapsed | 1943-10-04 | 1947-01-28 | 0 | Details |
| US2406454A | Treatment of paper or textile fabrics | Expired / Lapsed | 1944-03-08 | 1946-08-27 | 0 | Details |
| US2406453A | Treatment of paper or textile fabrics | Expired / Lapsed | 1944-03-08 | 1946-08-27 | 0 | Details |
| US2406412A | Treatment of wool fibers | Expired / Lapsed | 1943-07-15 | 1946-08-27 | 0 | Details |
| US2398803A | Halogenated polymers of ethylene and process of preparation | Expired / Lapsed | 1942-11-20 | 1946-04-23 | 0 | Details |
| US2395812A | Polymers of 1-carbalkoxybutadienes-1,3 and process of makin… | Expired / Lapsed | 1940-02-28 | 1946-03-05 | 0 | Details |
| US2388466A | Chemical immersion heater | Expired / Lapsed | 1942-01-09 | 1945-11-06 | 0 | Details |
| US2386674A | Pulverulent materials and dispersions produced thence | Expired / Lapsed | 1941-08-19 | 1945-10-09 | 0 | Details |
| US2386141A | Process of treating textile materials | Expired / Lapsed | 1939-08-02 | 1945-10-02 | 0 | Details |
| US2385564A | Solvent extraction | Expired / Lapsed | 1941-06-05 | 1945-09-25 | 0 | Details |
| US2384224A | Extrusion of thermoplastic materials | Expired / Lapsed | 1942-11-03 | 1945-09-04 | 0 | Details |
| US2372272A | Apparatus for controlling temperature of boosted charge of … | Expired / Lapsed | 1942-02-28 | 1945-03-27 | 0 | Details |
| US2364192A | Synthetic phenolic resins | Expired / Lapsed | 1942-02-18 | 1944-12-05 | 0 | Details |
| US2364410A | Halogenated polythenes | Expired / Lapsed | 1941-09-12 | 1944-12-05 | 0 | Details |
| US2363569A | Manufacture of nondetonating fuses for blasting and similar… | Expired / Lapsed | 1941-04-30 | 1944-11-28 | 0 | Details |
| US2352525A | Chlorination of polymeric materials | Expired / Lapsed | 1941-06-27 | 1944-06-27 | 0 | Details |
| US2340452A | Composition for use as adhesive | Expired / Lapsed | 1941-10-07 | 1944-02-01 | 0 | Details |
| US2327162A | New water-repellent agent and process of making same | Expired / Lapsed | 1941-01-28 | 1943-08-17 | 0 | Details |
| US2327128A | Production of pastes from polymerized vinyl chloride | Expired / Lapsed | 1940-07-30 | 1943-08-17 | 0 | Details |
| US2317865A | Automatic bag filling and weighing machine | Expired / Lapsed | 1940-09-10 | 1943-04-27 | 0 | Details |
| US2316481A | Halogenated polymers of ethylene | Expired / Lapsed | 1941-01-06 | 1943-04-13 | 0 | Details |
| US2315346A | Method of improving graphite electrodes | Expired / Lapsed | 1941-05-10 | 1943-03-30 | 0 | Details |
| US2313144A | Production of aqueous dispersions of ethylene polymer | Expired / Lapsed | 1939-06-05 | 1943-03-09 | 0 | Details |
| US2293969A | Manufacture of cyanoacrylic acid esters | Expired / Lapsed | 1941-04-19 | 1942-08-25 | 0 | Details |
| US2293266A | Chemical apparatus | Expired / Lapsed | 1940-05-16 | 1942-08-18 | 0 | Details |
| US2292441A | Production of textile or similar sheet materials | Expired / Lapsed | 1940-06-20 | 1942-08-11 | 0 | Details |
| US2286264A | Polymerization product of alphachloroacrylic compounds and … | Expired / Lapsed | 1939-04-29 | 1942-06-16 | 0 | Details |
| US2268162A | Manufacture of halogenated derivatives of ethylene polymers | Expired / Lapsed | 1939-08-14 | 1941-12-30 | 0 | Details |
| US2261757A | Dehalogenation of halogenated ethylene polymers | Expired / Lapsed | 1938-03-09 | 1941-11-04 | 0 | Details |
| US2232475A | Process of molding polyethylene | Expired / Lapsed | 1939-04-18 | 1941-02-18 | 0 | Details |
| US2231471A | Laminated glass | Expired / Lapsed | 1939-11-16 | 1941-02-11 | 0 | Details |
| US2227900A | Manufacture of rubber articles | Expired / Lapsed | 1937-02-09 | 1941-01-07 | 0 | Details |
| US2217696A | Resist color printing | Expired / Lapsed | 1938-01-18 | 1940-10-15 | 0 | Details |
| US2210771A | Manufacture of shaped articles from polymeric materials | Expired / Lapsed | 1939-02-07 | 1940-08-06 | 0 | Details |
| US2210774A | Fibers from ethylene polymers | Expired / Lapsed | 1937-03-11 | 1940-08-06 | 0 | Details |
| US2204737A | Manufacture of electric cables | Expired / Lapsed | 1938-10-07 | 1940-06-18 | 0 | Details |
| US2200429A | Interpolymerization of ethylene | Expired / Lapsed | 1938-04-21 | 1940-05-14 | 0 | Details |
| US2199526A | Electromagnetic material | Expired / Lapsed | 1938-03-04 | 1940-05-07 | 0 | Details |
| US2195917A | Manufacture of sodium hydroxide from sodium chloride | Expired / Lapsed | 1936-10-20 | 1940-04-02 | 0 | Details |
| US2191520A | Process for polymerizing lower alkyl esters of acrylic acid | Expired / Lapsed | 1938-05-05 | 1940-02-27 | 0 | Details |
| US2183556A | Halogenated solid ethylene polymer | Expired / Lapsed | 1937-09-10 | 1939-12-19 | 0 | Details |
| US2183357A | Manufacture of derivatives of unsaturated acids | Expired / Lapsed | 1934-08-02 | 1939-12-12 | 0 | Details |
| US2175985A | Automatic control of variable physical characteristics | Expired / Lapsed | 1936-02-17 | 1939-10-10 | 0 | Details |
| US2170947A | Manufacture of rubber articles | Expired / Lapsed | 1937-03-16 | 1939-08-29 | 0 | Details |
| US2153553A | Polymerization of olefins | Expired / Lapsed | 1937-02-02 | 1939-04-11 | 0 | Details |
| US2143587A | Treatment of vitamin-containing oils and products obtained … | Expired / Lapsed | 1936-02-20 | 1939-01-10 | 0 | Details |
| US2131362A | Methylene halide derivatives of carboxylic acid amides, and… | Expired / Lapsed | 1937-02-18 | 1938-09-27 | 0 | Details |
| US2130756A | Heat treatment of metals | Expired / Lapsed | 1936-10-06 | 1938-09-20 | 0 | Details |
| US2128107A | Process for the conversion of metal sulphides | Expired / Lapsed | 1934-09-13 | 1938-08-23 | 0 | Details |
| US2117321A | Manufacture of new polymerization products | Expired / Lapsed | 1932-12-01 | 1938-05-17 | 0 | Details |
| US2109299A | Chemical composition | Expired / Lapsed | 1936-04-06 | 1938-02-22 | 0 | Details |
| US2104760A | Plastic materials | Expired / Lapsed | 1935-11-22 | 1938-01-11 | 0 | Details |
| US2097290A | Roller apparatus | Expired / Lapsed | 1937-01-07 | 1937-10-26 | 0 | Details |
| US2090608A | Gas-generating charge | Expired / Lapsed | 1936-01-17 | 1937-08-17 | 0 | Details |
| US2082299A | Liquor sampling cell | Expired / Lapsed | 1935-04-04 | 1937-06-01 | 0 | Details |
| US2074641A | Measurement of high temperatures | Expired / Lapsed | 1936-09-30 | 1937-03-23 | 0 | Details |
| US2073202A | Vacuum distillation | Expired / Lapsed | 1935-03-07 | 1937-03-09 | 0 | Details |
| US2071907A | Preparation of polymers in sheet or block form | Expired / Lapsed | 1935-01-15 | 1937-02-23 | 0 | Details |
| US2045651A | Polymerization product and process for molding same | Expired / Lapsed | 1934-08-08 | 1936-06-30 | 0 | Details |
| US2020385A | Chemical products | Expired / Lapsed | 1932-11-10 | 1935-11-12 | 0 | Details |
| US2003928A | Stripping and discharging dyed textiles | Expired / Lapsed | 1933-03-16 | 1935-06-04 | 0 | Details |
| US1980483A | Resin and resin forming compound | Expired / Lapsed | 1932-11-03 | 1934-11-13 | 0 | Details |
| US1975166A | Azo dyes and method for their preparation | Expired / Lapsed | 1933-06-08 | 1934-10-02 | 0 | Details |
| US1836430A | Detergent, cleansing and polishing composition | Expired / Lapsed | 1927-09-09 | 1931-12-15 | 0 | Details |
| US1803221A | Production of hydrogen | Expired / Lapsed | 1930-01-21 | 1931-04-28 | 0 | Details |
| US1787101A | Lining vessels for carrying out operations with liquids and… | Expired / Lapsed | 1930-01-10 | 1930-12-30 | 0 | Details |
| US1483084A | Manufacture of nu-sulphato-alkyl compounds | Expired / Lapsed | 1921-11-29 | 1924-02-12 | 0 | Details |