Assignee
HOECHST AG
6,745 granted patents·5 pending applications·120,961 citations·filing 1969–2003
Top patents by PatentIndex Score
6,750 records- 0199US5830880AGene therapy of tumors with an endothelial cell-specific, cell cycle-dependent active compoundHOECHST AG·Filed 1995·Granted Nov 3, 1998·351 cites·52 claims
- 0299US5329033AProcess for the preparation of an olefin polymerHOECHST AG·Filed 1993·Granted Jul 12, 1994·176 cites·4 claims
- 0399US5278264AProcess for the preparation of an olefin polymerHOECHST AG·Filed 1992·Granted Jan 11, 1994·398 cites·20 claims
- 0499US5145819A2-substituted disindenylmetallocenes, process for their preparation, and their use as catalysts in the polymerization of olefinsHOECHST AG·Filed 1991·Granted Sep 8, 1992·451 cites·19 claims
- 0599US4400196AHerbicidal compositionsHOECHST AG·Filed 1981·Granted Aug 23, 1983·189 cites·9 claims
- 0699US4282162ARecovery of fluorinated emulsifying acids from basic anion exchangersHOECHST AG·Filed 1980·Granted Aug 4, 1981·172 cites·5 claims
- 0799US4189323ARadiation-sensitive copying compositionHOECHST AG·Filed 1978·Granted Feb 19, 1980·156 cites·13 claims
- 0899US3972717AElectrophotographic recording materialHOECHST AG·Filed 1974·Granted Aug 3, 1976·102 cites·39 claims
- 0998US5739376AFullerene derivatives, methods of preparing them and their useHOECHST AG·Filed 1994·Granted Apr 14, 1998·152 cites·5 claims
- 1098US5438082APolymer electrolyte membrane, and process for the production thereofHOECHST AG·Filed 1993·Granted Aug 1, 1995·199 cites·11 claims
- 1198US5391632ATerpolymers based on α,β-unsaturated dicarboxylic anhydrides, α,β-unsaturated compounds and polyoxyalkylene ethers of lower unsaturated alcoholsHOECHST AG·Filed 1994·Granted Feb 21, 1995·122 cites·16 claims
- 1298US5304614AProcess for the preparation of an olefin polymer using metallocenes having specifically substituted indenyl ligandsHOECHST AG·Filed 1992·Granted Apr 19, 1994·392 cites·8 claims
- 1398US5243001AProcess for the preparation of a high molecular weight olefin polymerHOECHST AG·Filed 1992·Granted Sep 7, 1993·318 cites·13 claims
- 1498US5110931AProcess for the preparation of n,n'-dimethylperylene-3,4,9,10-tetracarboxylic diimide in high-hiding pigment formHOECHST AG·Filed 1989·Granted May 5, 1992·84 cites·11 claims
- 1598US5087677AProcess for the preparation of cycloolefin polymersHOECHST AG·Filed 1990·Granted Feb 11, 1992·268 cites·6 claims
- 1698US4977283AProcess for the oxidation of 5-hydroxymethylfurfuralHOECHST AG·Filed 1989·Granted Dec 11, 1990·130 cites·23 claims
- 1798US4891057APhenylpyrazolecarboxylic acid derivatives, their preparation, and their use as plant-growth regulators and safenersHOECHST AG·Filed 1987·Granted Jan 2, 1990·135 cites·14 claims
- 1898US4820439AWashing and cleaning agent containing surfactants, builder, and crystalline layered sodium silicateHOECHST AG·Filed 1987·Granted Apr 11, 1989·238 cites·5 claims
- 1998US4664839AUse of crystalline layered sodium silicates for softening water and a process for softening waterHOECHST AG·Filed 1985·Granted May 12, 1987·305 cites·11 claims
- 2098US4505003AApparatus for the production of filled tubular casingsHOECHST AG·Filed 1983·Granted Mar 19, 1985·103 cites·16 claims
- 2198US4278793ACephem derivativeHOECHST AG·Filed 1980·Granted Jul 14, 1981·210 cites·1 claims
- 2298US4168963AHerbicidal agentsHOECHST AG·Filed 1977·Granted Sep 25, 1979·106 cites·12 claims
- 2397US6013639AG cap-stabilized oligonucleotidesHOECHST AG·Filed 1996·Granted Jan 11, 2000·165 cites·46 claims
- 2497US5840217ASpiro compounds and their use as electroluminescence materialsHOECHST AG·Filed 1995·Granted Nov 24, 1998·310 cites·12 claims
- 2597US5789075AAerogel composites, process for producing the same and their useHOECHST AG·Filed 1995·Granted Aug 4, 1998·199 cites·19 claims
- 2697US5621131AConjugated polymers having spiro centers and their use as electroluminescence materialsHOECHST AG·Filed 1995·Granted Apr 15, 1997·269 cites·8 claims
- 2797US5610253ACycloolefin polymersHOECHST AG·Filed 1995·Granted Mar 11, 1997·143 cites·5 claims
- 2897US5571815ASubstituted pyrimidines, process for their preparation, and their use as pesticides and fungicidesHOECHST AG·Filed 1993·Granted Nov 5, 1996·110 cites·16 claims
- 2997US5401700APlant protection agents based on pyrazolecarboxylic acid derivativesHOECHST AG·Filed 1992·Granted Mar 28, 1995·92 cites·4 claims
- 3097US5391789ABridged, chiral metallocenes, processes for their preparation and their use as catalystsHOECHST AG·Filed 1992·Granted Feb 21, 1995·107 cites·18 claims
- 3197US5350817AProcess for the preparation of polyolefins having a broad molecular weight distributionHOECHST AG·Filed 1993·Granted Sep 27, 1994·161 cites·17 claims
- 3297US5334690APolyurethane dispersionsHOECHST AG·Filed 1993·Granted Aug 2, 1994·159 cites·8 claims
- 3397US5276208AMetallocenes containing ligands of 2-substituted idenyl derivatives, process for their preparation, and their use as catalystsHOECHST AG·Filed 1991·Granted Jan 4, 1994·210 cites·15 claims
- 3497US5264034APigment preparations based on perylene compoundsHOECHST AG·Filed 1990·Granted Nov 23, 1993·101 cites·20 claims
- 3597US5091394ABenzoylguanidines, a process for their preparation, their use as medicaments and medicaments containing themHOECHST AG·Filed 1990·Granted Feb 25, 1992·74 cites·3 claims
- 3697US4962262A1-Olefin polymer wax, and a process for the preparation thereofHOECHST AG·Filed 1988·Granted Oct 9, 1990·157 cites·14 claims
- 3797US4902823AProcess for the preparation of vinyl acetateHOECHST AG·Filed 1989·Granted Feb 20, 1990·97 cites·3 claims
- 3897US4892954AProcess for the preparation of 2-oxo-1,3-dioxolanesHOECHST AG·Filed 1987·Granted Jan 9, 1990·119 cites·9 claims
- 3997US4871822AReaction product of olefinically unsaturated compounds with compounds containing active hydrogen, processes for their preparation and 2-component lacquers based thereon HOE 85/F O36JHOECHST AG·Filed 1986·Granted Oct 3, 1989·93 cites·17 claims
- 4097US4639266APlant protection agents based on 1,2,4-triazole derivatives and also new derivatives of 1,2,4-triazoleHOECHST AG·Filed 1985·Granted Jan 27, 1987·163 cites·7 claims
- 4197US4631221ASheet-like sandwich moldingHOECHST AG·Filed 1985·Granted Dec 23, 1986·196 cites·9 claims
- 4297US4544762AProcess for the preparation of oligomeric aluminoxanesHOECHST AG·Filed 1983·Granted Oct 1, 1985·162 cites·12 claims
- 4397US4542199AProcess for the preparation of polyolefinsHOECHST AG·Filed 1983·Granted Sep 17, 1985·548 cites·8 claims
- 4497US4392711AProcess and apparatus for rendering visible charge imagesHOECHST AG·Filed 1981·Granted Jul 12, 1983·170 cites·11 claims
- 4597US4379785AHeterocyclic substituted sulfonyl ureas, and their useHOECHST AG·Filed 1980·Granted Apr 12, 1983·159 cites·6 claims
- 4697US4369266AConcentrated dispersions of fluorinated polymers and process for their preparationHOECHST AG·Filed 1980·Granted Jan 18, 1983·248 cites·13 claims
- 4797US4262101ACopolymers of tetrafluoroethylene and process for their manufactureHOECHST AG·Filed 1979·Granted Apr 14, 1981·141 cites·5 claims
- 4897US4221815ABenzoic acids, their derivatives and process for preparing themHOECHST AG·Filed 1976·Granted Sep 9, 1980·57 cites·12 claims
- 4997US4130413AHeterocyclic phenyl ethers and herbicides containing sameHOECHST AG·Filed 1977·Granted Dec 19, 1978·74 cites·15 claims
- 5097US4101323ARadiation-sensitive copying compositionHOECHST AG·Filed 1976·Granted Jul 18, 1978·87 cites·16 claims
Showing the top 50 of 6,750 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when HOECHST AG files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →