Hoechst AG
Hoechst AGActive Patents
0
Total Holdings
141
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| EP0653424A1 | Amino-ureido- and -thioureido-fullerene derivatives and pro… | Expired / Lapsed | 1994-10-31 | — | 0 | Details |
| DE4312632A1 | Novel fullerene derivatives, their preparation and their use | Expired / Lapsed | 1993-04-19 | — | 0 | Details |
| CA2068129A1 | Use of acetals | Expired / Lapsed | 1992-05-07 | — | 17 | Details |
| EP0454044A2 | Pharmacological product containing polyelectrolyte complexe… | Expired / Lapsed | 1991-04-23 | — | 0 | Details |
| DE4004216A1 | FABRIC FOR AN AIRBAG | Expired / Lapsed | 1990-02-12 | — | 0 | Details |
| EP0288945A2 | Carrier for mucosa and denture adhesion pastes, process for… | Expired / Lapsed | 1988-04-23 | — | 0 | Details |
| EP0288809A1 | Bifunctional proteins | Expired / Lapsed | 1988-04-09 | — | 0 | Details |
| EP0274127A2 | Biologically degradable derivatives of poly(hydroxy alkyl)a… | Expired / Lapsed | 1987-12-29 | — | 0 | Details |
| DE3731609A1 | METHOD FOR PRODUCING (ARYL) - (DIMETHYL) - (3- (4-FLUORO-3-… | Expired / Lapsed | 1987-09-19 | — | 0 | Details |
| EP0219782A2 | Use of angiotensin-converting enzyme inhibitors in the trea… | Expired / Lapsed | 1986-10-11 | — | 0 | Details |
| EP0217092A2 | 3-Dimethyl-mevalonic-acid derivatives, process for their pr… | Expired / Lapsed | 1986-08-18 | — | 0 | Details |
| DE8607197U1 | catheter | Expired / Lapsed | 1986-03-15 | — | 0 | Details |
| EP0163249A2 | Gene-technological process for the preparation of human int… | Expired / Lapsed | 1985-05-22 | — | 0 | Details |
| EP0161464A2 | Polymers based on polyvinylene carbonate and/or polyhydroxy… | Expired / Lapsed | 1985-04-04 | — | 0 | Details |
| EP0156285A2 | Impact resistant modified polyoxymethylene and molded artic… | Expired / Lapsed | 1985-03-19 | — | 0 | Details |
| EP0133988A2 | Regulating peptide-containing pharmaceutical preparations w… | Expired / Lapsed | 1984-08-01 | — | 0 | Details |
| EP0122592A2 | Coffee whitener | Expired / Lapsed | 1984-04-11 | — | 0 | Details |
| EP0063339A2 | Piston pump for needleless injection apparatuses | Expired / Lapsed | 1982-04-09 | — | 0 | Details |
| EP0013949A2 | Depot body on the basis of silicon rubber and method for it… | Expired / Lapsed | 1980-01-18 | — | 0 | Details |
| EP0012944A1 | Colour-fast monoazo pigment mixtures stable against recryst… | Expired / Lapsed | 1979-12-13 | — | 0 | Details |
| DE2928306B1 | Method for examining optical properties of bodies | Expired / Lapsed | 1979-07-13 | — | 0 | Details |
| EP0005828A1 | New substituted phenylpiperazine derivatives, pharmaceutica… | Expired / Lapsed | 1979-05-30 | — | 0 | Details |
| EP0003122A1 | Process for the preparation of cystein-containing peptides | Expired / Lapsed | 1979-01-09 | — | 0 | Details |
| DE2824677A1 | 3-Phenyl:piperazino-propoxy-indoline and quinoline derivs. … | Expired / Lapsed | 1978-06-06 | — | 0 | Details |
| FR2380783A1 | MOLDED, POROUS, REGENERATED CELLULOSE PRODUCT, FOR MEDICAL … | Expired / Lapsed | 1978-02-17 | — | 0 | Details |
| DE2806802A1 | METHOD OF MANUFACTURING OFFSET PRINTING PLATES | Expired / Lapsed | 1978-02-17 | — | 0 | Details |
| FR2360253A1 | HERBICIDE PRODUCTS CONTAINING, AS ACTIVE SUBSTANCES, SUBSTI… | Expired / Lapsed | 1977-03-21 | — | 0 | Details |
| DE2641099A1 | LIGHT SENSITIVE COPY LAYER | Expired / Lapsed | 1976-09-13 | — | 0 | Details |
| DE2632280A1 | UROLOGICAL CATHETER | Expired / Lapsed | 1976-07-17 | — | 0 | Details |
| DE2518787B1 | Method and arrangement for the automatic control of the amo… | Expired / Lapsed | 1975-04-28 | — | 0 | Details |
| DE2443164B1 | THERMOPLASTIC PLASTIC FILM WITH RADIATION CHANGING PARTICLES | Expired / Lapsed | 1974-09-10 | — | 0 | Details |
| GB1410744A | Process for plasticizing polyvinyl alcohol | Expired / Lapsed | 1974-01-10 | — | 0 | Details |
| FR2206948A1 | FR2206948A1 - - Google Patents | Expired / Lapsed | 1973-11-19 | — | 0 | Details |
| DE2130040A1 | New water-insoluble monoazo dyes and processes for their pr… | Expired / Lapsed | 1971-06-18 | — | 0 | Details |
| DE2056864A1 | Soluble resin for floor polishes - by reacting styrene/male… | Expired / Lapsed | 1970-11-19 | — | 0 | Details |
| DE1912707A1 | Binapacryl acaricide and fungicide | Expired / Lapsed | 1969-03-13 | — | 0 | Details |
| DE1479239A1 | Process for joining structures made of thermoplastics under… | Expired / Lapsed | 1965-12-27 | — | 0 | Details |
| GB831961A | Improvements in or relating to the manufacture of shaped st… | Expired / Lapsed | 1956-04-23 | — | 0 | Details |
| GB784852A | Organic compounds of zirconium and their preparation | Expired / Lapsed | 1953-10-12 | — | 0 | Details |
| US5503152A | Ultrasonic transducer assembly and method for three-dimensi… | Expired / Lapsed | 1994-09-28 | 1996-04-02 | 60 | Details |
| US5358333A | Method of and measuring arrangement for contactless on-line… | Expired / Lapsed | 1993-06-04 | 1994-10-25 | 22 | Details |
| US5205287A | Ultrasonic contrast agents, processes for their preparation… | Expired / Lapsed | 1992-10-01 | 1993-04-27 | 4 | Details |
| EP0302411B1 | Spraying head for applying a multicomponent material by mea… | Expired / Lapsed | 1988-07-29 | 1992-06-17 | 1 | Details |
| US5053455A | Graft polymers, containing polyvinyl acetal groups, on poly… | Expired / Lapsed | 1991-02-20 | 1991-10-01 | 7 | Details |
| US5028587A | Mixed crystals of insulin and insulin derivatives | Expired / Lapsed | 1988-05-20 | 1991-07-02 | 6 | Details |
| US4852732A | Package for dry-resist material | Expired / Lapsed | 1986-07-03 | 1989-08-01 | 23 | Details |
| US4808757A | Process for the preparation of aldehydes | Expired / Lapsed | 1988-05-13 | 1989-02-28 | 17 | Details |
| US4758475A | Isocyanate-free polyurethane dispersions | Expired / Lapsed | 1986-12-18 | 1988-07-19 | 11 | Details |
| US4593126A | Process for preparing aldehydes | Expired / Lapsed | 1985-04-04 | 1986-06-03 | 14 | Details |
| US4568706A | Macroporous bead polymers, a process for their preparation … | Expired / Lapsed | 1984-05-25 | 1986-02-04 | 17 | Details |
| US4544762A | Process for the preparation of oligomeric aluminoxanes | Expired / Lapsed | 1983-10-31 | 1985-10-01 | 13 | Details |
| US4542069A | Vinylene carbonate polymers, a process for their preparatio… | Expired / Lapsed | 1983-11-23 | 1985-09-17 | 13 | Details |
| US4499211A | Open-cell/microporous molded article | Expired / Lapsed | 1982-07-27 | 1985-02-12 | 7 | Details |
| US4478670A | Process and apparatus for forming a tube from a flat web | Expired / Lapsed | 1982-11-12 | 1984-10-23 | 19 | Details |
| US4474609A | Recrystallization-resistant monoazo pigment mixtures of hig… | Expired / Lapsed | 1983-03-14 | 1984-10-02 | 8 | Details |
| US4451400A | Phosphazenes useful as stabilizers in polymers | Expired / Lapsed | 1982-05-07 | 1984-05-29 | 2 | Details |
| US4401520A | Process for the preparation of screen printing stencils by … | Expired / Lapsed | 1981-03-18 | 1983-08-30 | 8 | Details |
| US4355074A | Bonding sheet-like material to a substrate from which it ca… | Expired / Lapsed | 1980-06-24 | 1982-10-19 | 24 | Details |
| US4353856A | Process and embedding system for embedding tissue samples | Expired / Lapsed | 1980-09-26 | 1982-10-12 | 7 | Details |
| US4331651A | Depot body on the basis of silicone rubber and process for … | Expired / Lapsed | 1980-01-21 | 1982-05-25 | 15 | Details |
| US4323492A | Plasticizer containing polyvinyl alcohol granules | Expired / Lapsed | 1980-12-01 | 1982-04-06 | 21 | Details |
| US4319030A | Alkylated diaza-spirodecanes | Expired / Lapsed | 1980-08-18 | 1982-03-09 | 2 | Details |
| US4299990A | Process for preparing aldehydes | Expired / Lapsed | 1980-06-30 | 1981-11-10 | 7 | Details |
| US4267098A | Stabilized copolymers based on ethylene and tetrafluoroethy… | Expired / Lapsed | 1979-01-19 | 1981-05-12 | 13 | Details |
| US4256784A | Heat-sealable plastic film | Expired / Lapsed | 1977-08-22 | 1981-03-17 | 17 | Details |
| US4251584A | Foamed polyolefin film or sheet product | Expired / Lapsed | 1978-10-26 | 1981-02-17 | 24 | Details |
| US4248222A | Endotracheal tube having a relief valve | Expired / Lapsed | 1979-01-23 | 1981-02-03 | 12 | Details |
| US4247449A | Urea derivatives, process for their manufacture and their u… | Expired / Lapsed | 1979-07-31 | 1981-01-27 | 6 | Details |
| US4243074A | Tubular packaging material, preferably for use as a sausage… | Expired / Lapsed | 1978-05-26 | 1981-01-06 | 22 | Details |
| US4234484A | Process for the preparation of cyclic enamides | Expired / Lapsed | 1978-04-25 | 1980-11-18 | 21 | Details |
| US4229299A | Peristaltic dialysate solution pump | Expired / Lapsed | 1978-03-22 | 1980-10-21 | 20 | Details |
| US4205146A | Process for the preparation of polyvinylbutyral having impr… | Expired / Lapsed | 1978-07-18 | 1980-05-27 | 9 | Details |
| US4178329A | Plastics material having an improved blood tolerance | Expired / Lapsed | 1978-05-05 | 1979-12-11 | 8 | Details |
| US4178271A | Sheet-like structure of polyvinyl chloride, which is capabl… | Expired / Lapsed | 1977-12-22 | 1979-12-11 | 4 | Details |
| US4161615A | Dehydrogenation of cyclic ketones to beta-naphthols | Expired / Lapsed | 1977-05-26 | 1979-07-17 | 2 | Details |
| US4153560A | Corona device and method for using same | Expired / Lapsed | 1977-09-28 | 1979-05-08 | 27 | Details |
| US4132843A | Blocked polyisocyanates formed from hexamethylene-1,6-diiso… | Expired / Lapsed | 1977-03-18 | 1979-01-02 | 7 | Details |
| US4110334A | Derivatives of 1-oxa-3,8-diaza-spiro-[4,5]-decanes | Expired / Lapsed | 1977-02-09 | 1978-08-29 | 7 | Details |
| US4100340A | Copolymers containing perfluoroalkyl groups | Expired / Lapsed | 1977-03-02 | 1978-07-11 | 7 | Details |
| US4098969A | Product and process for preparing polyvinyl alcohol deposit… | Expired / Lapsed | 1976-07-01 | 1978-07-04 | 3 | Details |
| US4097656A | Process for imparting antistatic properties to plastics | Expired / Lapsed | 1976-04-07 | 1978-06-27 | 6 | Details |
| US4072233A | Container with frangible piercing point | Expired / Lapsed | 1976-08-13 | 1978-02-07 | 10 | Details |
| US4064673A | Method of making sheathed stick | Expired / Lapsed | 1976-10-07 | 1977-12-27 | 6 | Details |
| US4019972A | Photopolymerizable copying compositions containing biuret-b… | Expired / Lapsed | 1974-12-02 | 1977-04-26 | 13 | Details |
| US4002779A | Process for the manufacture of electroconductive non-woven … | Expired / Lapsed | 1975-05-23 | 1977-01-11 | 5 | Details |
| US4002712A | Process for the production of a plasticized shaped body fro… | Expired / Lapsed | 1974-12-16 | 1977-01-11 | 45 | Details |
| US3982829A | Exposure means for photocopying apparatus | Expired / Lapsed | 1974-11-18 | 1976-09-28 | 13 | Details |
| US3970231A | Method and device for starting up injector nozzles | Expired / Lapsed | 1974-08-05 | 1976-07-20 | 15 | Details |
| US3966400A | Process and device for the irregular dyeing of textiles | Expired / Lapsed | 1974-08-22 | 1976-06-29 | 8 | Details |
| US3962358A | Process for preparing perfluorononanes | Expired / Lapsed | 1974-06-20 | 1976-06-08 | 16 | Details |
| US3957935A | Process for the production of a dry desalting cellulose ace… | Expired / Lapsed | 1974-12-05 | 1976-05-18 | 3 | Details |
| US3955978A | Electrophotographic recording material | Expired / Lapsed | 1974-11-11 | 1976-05-11 | 14 | Details |
| US3930109A | Process for the manufacture of metallized shaped bodies of … | Expired / Lapsed | 1973-08-02 | 1975-12-30 | 4 | Details |
| US3928764A | Method and apparatus for measuring and controlling the tone… | Expired / Lapsed | 1973-06-04 | 1975-12-23 | 13 | Details |
| US3915004A | Thermometers | Expired / Lapsed | 1973-04-09 | 1975-10-28 | 3 | Details |
| US3898044A | Eluting device for nuclide generators | Expired / Lapsed | 1973-07-24 | 1975-08-05 | 5 | Details |
| US3864469A | Xanthines in pharmaceutical preparations and for stabilizat… | Expired / Lapsed | 1973-02-08 | 1975-02-04 | 53 | Details |
| US3857933A | Process for the manufacture of a drug dosage form permittin… | Expired / Lapsed | 1974-02-08 | 1974-12-31 | 5 | Details |
| US3850859A | Difficultly inflammable polyurethanes and process for makin… | Expired / Lapsed | 1973-03-15 | 1974-11-26 | 2 | Details |
| US3835221A | Orally administrable drug dosage form having delayed action | Expired / Lapsed | 1971-03-04 | 1974-09-10 | 5 | Details |
| US3789028A | Coated foamable styrene polymer particles | Expired / Lapsed | 1972-07-03 | 1974-01-29 | 0 | Details |
| US3788296A | Device for applying medical substances to the nasal mucosa | Expired / Lapsed | 1972-05-19 | 1974-01-29 | 12 | Details |
| US3776766A | Process for improving the processing properties of polyeste… | Expired / Lapsed | 1971-11-17 | 1973-12-04 | 2 | Details |
| US3766252A | Unsaturated carboxylic acid derivatives containing phosphor… | Expired / Lapsed | 1971-10-26 | 1973-10-16 | 0 | Details |
| US3759731A | Dyestuffs pigment mixture of polar and nonpolarsymmetrical … | Expired / Lapsed | 1971-03-12 | 1973-09-18 | 0 | Details |
| US3758425A | Process for the preparation of foamable styrene polymers | Expired / Lapsed | 1971-11-15 | 1973-09-11 | 0 | Details |
| US3749774A | Secretin preparation having prolonged action and the proced… | Expired / Lapsed | 1972-01-27 | 1973-07-31 | 0 | Details |
| US3686813A | Wall covering defining a continuous ventilating conduit | Expired / Lapsed | 1970-05-04 | 1972-08-29 | 5 | Details |
| US3657191A | Process for the modification of terminal groups of polyeste… | Expired / Lapsed | 1970-06-09 | 1972-04-18 | 0 | Details |
| US3606914A | Webbing | Expired / Lapsed | 1969-05-02 | 1971-09-21 | 0 | Details |
| US3595938A | Polyethylene glycol terephthalate/poly - 1.4 -dimethylol-cy… | Expired / Lapsed | 1968-09-26 | 1971-07-27 | 0 | Details |
| US3591659A | Polyester-acrylic acid ester polymer thermoplastic moulding… | Expired / Lapsed | 1968-09-23 | 1971-07-06 | 0 | Details |
| US3580965A | Thermoplastic polyester molding compositions containing ole… | Expired / Lapsed | 1968-07-11 | 1971-05-25 | 0 | Details |
| US3558570A | Telomers of styrene and maleic acid anhydride and process f… | Expired / Lapsed | 1969-08-25 | 1971-01-26 | 0 | Details |
| US3554955A | Primers for coating surfaces with polytetrafluoroethylene a… | Expired / Lapsed | 1967-11-29 | 1971-01-12 | 0 | Details |
| US3431203A | Friction bearing of thermoplastic material and process of m… | Expired / Lapsed | 1967-04-05 | 1969-03-04 | 0 | Details |
| US3255060A | Process of treating surfaces of shaped articles of polyacet… | Expired / Lapsed | 1964-10-20 | 1966-06-07 | 2 | Details |
| US3192128A | Process for purifying aqueous hydrochloric acid | Expired / Lapsed | 1962-07-03 | 1965-06-29 | 2 | Details |
| US3178495A | Process for the production of thermoplastic films | Expired / Lapsed | 1961-10-09 | 1965-04-13 | 2 | Details |
| US3159531A | Fungicidal agents | Expired / Lapsed | 1961-08-22 | 1964-12-01 | 2 | Details |
| CA688672A | Articles provided with protective coatings of chlorinated p… | Expired / Lapsed | — | 1964-06-16 | 0 | Details |
| US3134687A | Wrapping and packing material having a preserving effect | Expired / Lapsed | 1960-03-08 | 1964-05-26 | 0 | Details |
| US3129152A | Process for the electrolytic recovery of chlorine from hydr… | Expired / Lapsed | 1960-08-09 | 1964-04-14 | 2 | Details |
| US3108017A | Coating organic films with mixture of amorphous and crystal… | Expired / Lapsed | 1960-11-25 | 1963-10-22 | 2 | Details |
| US3065040A | Textile bleaching process using chlorite bleaching baths | Expired / Lapsed | 1958-09-19 | 1962-11-20 | 2 | Details |
| US3036930A | Process for improving the adhesiveness of polyolefins | Expired / Lapsed | 1958-12-22 | 1962-05-29 | 2 | Details |
| US3030173A | Process for the uniform preparation of shaped structures su… | Expired / Lapsed | 1959-09-30 | 1962-04-17 | 2 | Details |
| US3004294A | Process for the manufacture of granular products | Expired / Lapsed | 1959-03-04 | 1961-10-17 | 2 | Details |
| US2989797A | Process for the manufacture of staple yarns by filament dec… | Expired / Lapsed | 1956-11-26 | 1961-06-27 | 2 | Details |
| US2952867A | Process for the production of thermoplastic films | Expired / Lapsed | 1956-11-23 | 1960-09-20 | 1 | Details |
| US2947700A | Inhibited chlorite baths and method | Expired / Lapsed | 1956-10-02 | 1960-08-02 | 2 | Details |
| US2946331A | Injection casing for injection syringes | Expired / Lapsed | 1957-10-21 | 1960-07-26 | 0 | Details |
| US2917779A | Process for preparing improved thin shaped structures, such… | Expired / Lapsed | 1956-05-08 | 1959-12-22 | 0 | Details |
| US2911319A | Shaped bodies of carbon and process for preparing same | Expired / Lapsed | 1954-12-24 | 1959-11-03 | 2 | Details |
| CA582977A | Organo-tin ether esters containing polyglycolic chains | Expired / Lapsed | — | 1959-09-08 | 0 | Details |
| US2789559A | Syringe with aspiration device for cylindrical ampoules | Expired / Lapsed | 1955-08-30 | 1957-04-23 | 0 | Details |
| US2785209A | Process for preparing aromatic hydrocarbons | Expired / Lapsed | 1954-08-24 | 1957-03-12 | 2 | Details |
| US2693804A | Syringe casing for cylindrical ampoules | Expired / Lapsed | 1953-04-23 | 1954-11-09 | 0 | Details |
| US2660168A | Syringe casing and stoppered cylindrical ampoule for direct… | Expired / Lapsed | 1951-07-10 | 1953-11-24 | 0 | Details |
| DE880046C | Process for the production of bismuth preparations | Expired / Lapsed | 1950-12-05 | 1953-06-18 | 0 | Details |
| US1567940A | Apparatus for measuring streams | Expired / Lapsed | 1921-08-10 | 1925-12-29 | 0 | Details |