Inventor · disambiguated record
Helmut Burstell
Also filed as: BUERSTELL HELMUT · LANGELUDDEKE PETER · SACHSE BURKHARD
29 granted patents·392 citations·filing 1978–1992
97Inventor score
Top patents by PatentIndex Score
29 records- 0198US4891057APhenylpyrazolecarboxylic acid derivatives, their preparation, and their use as plant-growth regulators and safenersHOECHST AG·Filed 1987·Granted Jan 2, 1990·135 cites·14 claims
- 0294US4601747AN-alkoxyaminosulfonylureas and N-alkylsulfonylaminosulfonylureas and pyrimidino thiadiazine oxides as herbicides and plant growth-regulatorsHOECHST AG·Filed 1984·Granted Jul 22, 1986·31 cites·6 claims
- 0392US5082949APhenylpyrazolecarboxylic acid derivative preparationHOECHST AG·Filed 1989·Granted Jan 21, 1992·34 cites·10 claims
- 0488US4614535AHerbicidal imidazolinonesHOECHST AG·Filed 1984·Granted Sep 30, 1986·21 cites·5 claims
- 0583US4718937AN-alkoxyaminosulfonylureas and N-alkylsulfonylaminosulfonylureasHOECHST AG·Filed 1986·Granted Jan 12, 1988·22 cites·4 claims
- 0683US4182624AImidazole carboxylic acids and derivatives thereofHOECHST AG·Filed 1978·Granted Jan 8, 1980·13 cites·12 claims
- 0780US4492598ASulfonylureas having heterocyclic substituents, and their use in agricultureHOECHST AG·Filed 1982·Granted Jan 8, 1985·13 cites·18 claims
- 0876US5104443AHeterocyclic 2-alkoxyphenoxysulfonylureas and the use thereof as herbicides or plant growth regulatorsHOECHST AG·Filed 1989·Granted Apr 14, 1992·17 cites·18 claims
- 0975US4808213A2,3,6-substituted phenylimidazole derivatives and the use thereof as growth regulatorsHOECHST AG·Filed 1987·Granted Feb 28, 1989·11 cites·4 claims
- 1075US4440565AHeterocyclically substituted (halogeno)alkyl- and (halogeno)alkoxysulfonylureas, and their use in agricultureHOECHST AG·Filed 1982·Granted Apr 3, 1984·9 cites·13 claims
- 1174US4477276AHeterocyclic phenyl ethers and their herbicidal useHOECHST AG·Filed 1982·Granted Oct 16, 1984·9 cites·9 claims
- 1273US4637828APlant growth regulatorsHOECHST AG·Filed 1985·Granted Jan 20, 1987·15 cites·9 claims
- 1367US4564381AIncrease of carbohydrate accumulation in plants by means of substituted derivatives of phenoxyalkanoic acids and cyclohexanedionesHOECHST AG·Filed 1983·Granted Jan 14, 1986·6 cites·5 claims
- 1463US5102443AHeterocyclically substituted phenoxysulfonylureas, and the use thereof as herbicides or plant growth regulatorsHOECHST AG·Filed 1989·Granted Apr 7, 1992·6 cites·16 claims
- 1563US5022916ASubstituted sulfonyldiamides, processes for their preparation, and their use as herbicides and plant growth regulatorsHOECHST AG·Filed 1989·Granted Jun 11, 1991·6 cites·22 claims
- 1661US4755213A1-phenylimidazolecarboxylic acid amides and their use as growth regulatorsHOECHST AG·Filed 1987·Granted Jul 5, 1988·7 cites·5 claims
- 1760US4764624A1,2,5-Substituted imidazole compounds and their use as growth regulatorsHOECHST AG·Filed 1986·Granted Aug 16, 1988·5 cites·8 claims
- 1859US5015284AAlkyl- and alkenylsulfonylureas which are substituted in the heterocycle, and their use as herbicides or plant growth regulatorsHOECHST AG·Filed 1989·Granted May 14, 1991·7 cites·6 claims
- 1957US5021578ACertain perfluoroloweralkoxy-2-pyridyloxy propionates having herbicidal activityHOECHST AG·Filed 1989·Granted Jun 4, 1991·4 cites·9 claims
- 2057US4925480AHeterocyclically substituted N-sultamsulfonamides, and their use as herbicides and plant growth regulatorsHOECHST AG·Filed 1988·Granted May 15, 1990·3 cites·8 claims
- 2156US4594098APhosphorus-containing functional derivatives of acetic acid, process for their preparation and herbicidal and growth-regulating agents containing themHOECHST AG·Filed 1985·Granted Jun 10, 1986·5 cites·13 claims
- 2254US4615726AHerbicidal 1-acylimidazolinonesHOECHST AG·Filed 1984·Granted Oct 7, 1986·3 cites·10 claims
- 2353US4623380AIsoindoles, processes for their preparation and their use as herbicidal agentsHOECHST AG·Filed 1985·Granted Nov 18, 1986·5 cites·9 claims
- 2449US4747868AGrowth-regulating, fungicidal, and herbicidal cyclohexylimidazole and cyclohexenylimidazole derivatives, compositions, and methods of use thereforHOECHST AG·Filed 1986·Granted May 31, 1988·3 cites·4 claims
- 2542US5073185AHeterocyclically substituted n-sultamsulfonamidesHOECHST AG·Filed 1990·Granted Dec 17, 1991·2 cites·11 claims
- 2632US5272129APhenoxysulfonylureas based on 3-substituted alkyl salicylates, and their use as herbicides and plant growth regulatorsHOECHST AG·Filed 1992·Granted Dec 21, 1993·0 cites·16 claims
- 2732US4239525A1,2,4-Triazole derivativesHOECHST AG·Filed 1979·Granted Dec 16, 1980·0 cites·8 claims
- 2831US4820335A1-substituted imidazole-5-carboxylic acid derivatives, their preparation and their use as biocidesHOECHST AG·Filed 1986·Granted Apr 11, 1989·0 cites·12 claims
- 2929US5103004AN-sultamsulfonamidesHOESCH AKTIENGELLSCHAFT·Filed 1991·Granted Apr 7, 1992·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →