Inventor · disambiguated record
Gerhard Hamprecht
Also filed as: HAMPRECHT GERHARD · HAMPRECHT GERHARD DR · PARG ADOLF · ROHR WOLFGANG
213 granted patents·4 pending applications·1,415 citations·filing 1974–2012
99Inventor score
Top patents by PatentIndex Score
217 records- 0197US7687435B2Benzoyl-substituted phenylalanineamidesBASF AG·Filed 2004·Granted Mar 30, 2010·76 cites·13 claims
- 0297US4321371ASubstituted N-benzoylanthranilic acid derivatives and their anhydro compoundsBASF AG·Filed 1980·Granted Mar 23, 1982·74 cites·7 claims
- 0395US8362026B2Crystalline form of 2-chloro-5-[3,6-dihydro-3-methyl-2,6-dioxo-4-(trifluoromethyl)-1-(2H)-pyrimidinyl]-4-fluoro-N-[[methyl(1-methyl-ethyl)amino]sulfonyl]benzamideBASF SE·Filed 2007·Granted Jan 29, 2013·19 cites·14 claims
- 0494US4832879ASubstituted 3-fluoroalkoxybenzoyl halides and their preparationBASF AKTIENGESELLCHAFT·Filed 1984·Granted May 23, 1989·34 cites·1 claims
- 0594US4437878ADihydrothiophenecarboxylates and their use for controlling undersirable plant growthBASF AG·Filed 1983·Granted Mar 20, 1984·49 cites·8 claims
- 0694US4315766A4H-3,1-Benzoxazine derivativesBASF AG·Filed 1980·Granted Feb 16, 1982·33 cites·10 claims
- 0792US6472349B1Pyridine-2,3-dicarboxylic acid diamidesBASF AG·Filed 2000·Granted Oct 29, 2002·29 cites·20 claims
- 0891US4744812ASubstituted diphenyl ethers, herbicides containing these compounds and their use as herbicidesBASF AG·Filed 1985·Granted May 17, 1988·31 cites·6 claims
- 0990US5783522ASubstituted 2-phenylpyridinesBASF AG·Filed 1994·Granted Jul 21, 1998·39 cites·15 claims
- 1088US4512797A1,3,5-Triazinones and their use for controlling undesirable plant growthBASF AG·Filed 1983·Granted Apr 23, 1985·22 cites·8 claims
- 1186US7737275B2Method for producing 3-phenyl(thio)uracils and 3-phenyldithiouracilsBASF AG·Filed 2004·Granted Jun 15, 2010·17 cites·15 claims
- 1286US4829072AQuinoline derivatives microbicides containing these compounds, and their use for controlling bacteria and fungiBASF AG·Filed 1987·Granted May 9, 1989·23 cites·7 claims
- 1386US4363925APreparation of aromatic silanesBASF AG·Filed 1982·Granted Dec 14, 1982·19 cites·9 claims
- 1485US7232926B2Method for the production of sulphamic acid halogenidesBASF AG·Filed 2003·Granted Jun 19, 2007·15 cites·14 claims
- 1584US4523942A4H-3,1-Benzoxazine derivatives, compositions and herbicidal useBASF AG·Filed 1983·Granted Jun 18, 1985·14 cites·14 claims
- 1684US4360672ASubstituted phenoxyphenyl pyridazones, their preparation, and their use as herbicidesBASF AG·Filed 1981·Granted Nov 23, 1982·15 cites·2 claims
- 1783US5201932ACarboxamidesBASF AG·Filed 1992·Granted Apr 13, 1993·28 cites·27 claims
- 1882US7355053B21-phenylpyrrolidine-2-one-3-carboxamidesBASF AG·Filed 2003·Granted Apr 8, 2008·16 cites·24 claims
- 1982US6191280B1Method for producing substituted thiopyridinesBASF AG·Filed 1998·Granted Feb 20, 2001·30 cites·4 claims
- 2082US6054410AHerbicidal mixtures having a synergistic effectBASF AG·Filed 1996·Granted Apr 25, 2000·28 cites·30 claims
- 2182US5478798AHerbicidal N-[(1,3,5-triazin-2-yl)-aminocarbonyl]-benzenesulfonamidesBASF AG·Filed 1994·Granted Dec 26, 1995·23 cites·7 claims
- 2281US8541611B2Bifunctional phenyl iso(thio)cyanates, processes and intermediates products for their preparationHAMPRECHT GERHARD·Filed 2012·Granted Sep 24, 2013·2 cites·14 claims
- 2380US8232421B2Bifunctional phenyl ISO (THIO) cyanates, processes and intermediates for their preparationHAMPRECHT GERHARD·Filed 2010·Granted Jul 31, 2012·2 cites·6 claims
- 2478US8357695B2Hydrates of 2-chloro-5-[3,6-dihydro-3-methyl-2,6-dioxo-4-(trifluoromethyl)-1-(2H)-pyrimidinyl]-4-fluoro-N-[[methyl(1-methylethyl)amino]sulfonyl]benzamideBASF SE·Filed 2007·Granted Jan 22, 2013·2 cites·15 claims
- 2578US5252540ASulfonamidesBASF AG·Filed 1991·Granted Oct 12, 1993·20 cites·8 claims
- 2678US4514572APreparation of fluorophthalic anhydridesBASF AG·Filed 1984·Granted Apr 30, 1985·13 cites·2 claims
- 2777US6794335B2Synergistically active herbicidal mixturesBASF AG·Filed 2001·Granted Sep 21, 2004·7 cites·16 claims
- 2877US6602825B11-Aryl-1,3,5-triazine-4-thione-2,6-diones, production thereof and use thereof as herbicidesBASF AG·Filed 2000·Granted Aug 5, 2003·8 cites·10 claims
- 2976US5635450AHerbicidal N-[(1, 3, 5-Triazin-2-yl)-aminocarbonyl]-benzenesulfonamidesBASF AG·Filed 1995·Granted Jun 3, 1997·18 cites·3 claims
- 3076US5571774APyridine-2,3-dicarboximides, their preparation and their use for controlling undesired plant growthBASF AG·Filed 1994·Granted Nov 5, 1996·19 cites·9 claims
- 3176US5080708AIsoxazole(isothiazole)-5-carboxamidesBASF AG·Filed 1989·Granted Jan 14, 1992·18 cites·6 claims
- 3276US4576630ASubstituted 4,5-dimethoxypyridazones, herbicides containing these compounds, and their use for controlling undesirable plant growthBASF AG·Filed 1984·Granted Mar 18, 1986·9 cites·15 claims
- 3375US6362133B1Synergistically active herbicidal mixturesBASF AG·Filed 2000·Granted Mar 26, 2002·6 cites·20 claims
- 3475US6239074B1Substituted 3-phenyluracilsBASF AG·Filed 1992·Granted May 29, 2001·12 cites·27 claims
- 3575US4219494AO-Aminosulfonylglycolic anilidesBASF AG·Filed 1979·Granted Aug 26, 1980·9 cites·16 claims
- 3674US7820846B2Bifunctional phenyliso(thio)cyanates, processes and intermediates products for their preparationBASF AG·Filed 2003·Granted Oct 26, 2010·4 cites·4 claims
- 3773US6639070B1N-substituted perhydrodiazineBASF AG·Filed 2000·Granted Oct 28, 2003·6 cites·6 claims
- 3873US4523946ASubstituted 4,5-dimethoxypyridazones and their use for controlling undesirable plant growthBASF AG·Filed 1983·Granted Jun 18, 1985·8 cites·3 claims
- 3973US3992444AProduction of sulfamic acid halidesBASF AG·Filed 1974·Granted Nov 16, 1976·8 cites·10 claims
- 4072US5959116APyridine-2, 3-dicarboximides their preparation and their use for controlling undesired plant growthBASF AG·Filed 1996·Granted Sep 28, 1999·17 cites·3 claims
- 4172US5043454ACrop protection agents based on 1-aryl- or 1-hetarylimidazolecarboxylic estersBASF AG·Filed 1990·Granted Aug 27, 1991·14 cites·2 claims
- 4272US4343648AHerbicidesBASF AG·Filed 1981·Granted Aug 10, 1982·8 cites·2 claims
- 4371US6624119B13-[Benz(ox/thi)azol-7-yl]-1h-pyrimidine-2,4-dionesBASF AG·Filed 1999·Granted Sep 23, 2003·18 cites·10 claims
- 4471US5280009ASubstituted pyrimidine derivatives and their use for controlling undesirable plant growthBASF AG·Filed 1992·Granted Jan 18, 1994·13 cites·10 claims
- 4571US5244867AOxazole- and thiazolecarboxamidesBASF AG·Filed 1991·Granted Sep 14, 1993·13 cites·20 claims
- 4671US4680412APreparation of fluorophthalimidesBASF AG·Filed 1984·Granted Jul 14, 1987·7 cites·4 claims
- 4771US4158559ASubstituted 2,1,3-benzothiadiazine compoundsBASF AG·Filed 1977·Granted Jun 19, 1979·8 cites·12 claims
- 4870US5488029AHerbicidal N- [1,3,5-riazin-2-yl)-aminocarbonyl]-benzenesulfonamidesBASF AG·Filed 1993·Granted Jan 30, 1996·11 cites·4 claims
- 4970US5434124ASulfonylurea derivatives and their useBASF AG·Filed 1992·Granted Jul 18, 1995·11 cites·8 claims
- 5069US5298515AN-hetaryl-2-nitroanilinesBASF AG·Filed 1992·Granted Mar 29, 1994·11 cites·4 claims
Showing the top 50 of 217 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →