Helmut Burstell

Person

Frankfurt am Main, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Phenoxysulfonylureas based on 3-substituted alkyl salicylates, and...
- Patent number 5,272,129
- Issue date Dec 21, 1993
- Hoechst Aktiengesellschaft
- Heinz Kehne
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Heterocyclic 2-alkoxyphenoxysulfonylureas and the use thereof as he...
- Patent number 5,104,443
- Issue date Apr 14, 1992
- Hoechst Aktiengesellschaft
- Heinz Kehne
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
N-sultamsulfonamides
- Patent number 5,103,004
- Issue date Apr 7, 1992
- Hoesch Aktiengellschaft
- Lothar Willms
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Heterocyclically substituted phenoxysulfonylureas, and the use ther...
- Patent number 5,102,443
- Issue date Apr 7, 1992
- Hoechst Aktiengesellschaft
- Heinz Kehne
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Phenylpyrazolecarboxylic acid derivative preparation
- Patent number 5,082,949
- Issue date Jan 21, 1992
- Hoechst Aktiengesellschaft
- Erich Sohn
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Heterocyclically substituted n-sultamsulfonamides
- Patent number 5,073,185
- Issue date Dec 17, 1991
- Hoechst Aktiengesellschaft
- Lothar Willms
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Substituted sulfonyldiamides, processes for their preparation, and...
- Patent number 5,022,916
- Issue date Jun 11, 1991
- Hoechst Aktiengesellschaft
- Lothar Willms
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Certain perfluoroloweralkoxy-2-pyridyloxy propionates having herbic...
- Patent number 5,021,578
- Issue date Jun 4, 1991
- Hoechst Aktiengesellschaft
- Volker Koch
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Alkyl- and alkenylsulfonylureas which are substituted in the hetero...
- Patent number 5,015,284
- Issue date May 14, 1991
- Hoechst Aktiengesellschaft
- Lothar Willms
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Heterocyclically substituted N-sultamsulfonamides, and their use as...
- Patent number 4,925,480
- Issue date May 15, 1990
- Hoechst Aktiengesellschaft
- Lothar Willms
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Phenylpyrazolecarboxylic acid derivatives, their preparation, and t...
- Patent number 4,891,057
- Issue date Jan 2, 1990
- Hoechst Aktiengesellschaft
- Erich Sohn
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1-substituted imidazole-5-carboxylic acid derivatives, their prepar...
- Patent number 4,820,335
- Issue date Apr 11, 1989
- Hoechst AG.
- Thomas Maier
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2,3,6-substituted phenylimidazole derivatives and the use thereof a...
- Patent number 4,808,213
- Issue date Feb 28, 1989
- Hoechst Aktiengesellschaft
- Roland Schmierer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,2,5-Substituted imidazole compounds and their use as growth regul...
- Patent number 4,764,624
- Issue date Aug 16, 1988
- Hoechst Aktiengesellschaft
- Roland Schmierer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1-phenylimidazolecarboxylic acid amides and their use as growth reg...
- Patent number 4,755,213
- Issue date Jul 5, 1988
- Hoechst Aktiengesellschaft
- Roland Schmierer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Growth-regulating, fungicidal, and herbicidal cyclohexylimidazole a...
- Patent number 4,747,868
- Issue date May 31, 1988
- Hoechst Aktiengesellschaft
- Roland Schmierer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
N-alkoxyaminosulfonylureas and N-alkylsulfonylaminosulfonylureas
- Patent number 4,718,937
- Issue date Jan 12, 1988
- Hoechst Aktiengesellschaft
- Lothar Willms
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Plant growth regulators
- Patent number 4,637,828
- Issue date Jan 20, 1987
- Hoechst Aktiengesellschaft
- Ernst-Friedrich Schulze
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Isoindoles, processes for their preparation and their use as herbic...
- Patent number 4,623,380
- Issue date Nov 18, 1986
- Hoechst Aktiengesellschaft
- Roland Schmierer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Herbicidal 1-acylimidazolinones
- Patent number 4,615,726
- Issue date Oct 7, 1986
- Hoechst Aktiengesellschaft
- Roland Schmierer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Herbicidal imidazolinones
- Patent number 4,614,535
- Issue date Sep 30, 1986
- Hoechst Aktiengesellschaft
- Roland Schmierer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
N-alkoxyaminosulfonylureas and N-alkylsulfonylaminosulfonylureas an...
- Patent number 4,601,747
- Issue date Jul 22, 1986
- Hoechst Aktiengesellschaft
- Lothar Willms
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Phosphorus-containing functional derivatives of acetic acid, proces...
- Patent number 4,594,098
- Issue date Jun 10, 1986
- Hoechst Aktiengesellschaft
- Klaus Bauer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Increase of carbohydrate accumulation in plants by means of substit...
- Patent number 4,564,381
- Issue date Jan 14, 1986
- Hoechst Aktiengesellschaft
- Hermann Bieringer
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Sulfonylureas having heterocyclic substituents, and their use in ag...
- Patent number 4,492,598
- Issue date Jan 8, 1985
- Hoechst Aktiengesellschaft
- Lothar Willms
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Heterocyclic phenyl ethers and their herbicidal use
- Patent number 4,477,276
- Issue date Oct 16, 1984
- Hoechst Aktiengesellschaft
- Lothar Willms
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Heterocyclically substituted (halogeno)alkyl- and (halogeno)alkoxys...
- Patent number 4,440,565
- Issue date Apr 3, 1984
- Hoechst Aktiengesellschaft
- Lothar Willms
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,2,4-Triazole derivatives
- Patent number 4,239,525
- Issue date Dec 16, 1980
- Hoechst Aktiengesellschaft
- Gunther Heubach
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Imidazole carboxylic acids and derivatives thereof
- Patent number 4,182,624
- Issue date Jan 8, 1980
- Hoechst Aktiengesellschaft
- Alfons Soder
- C07 - ORGANIC CHEMISTRY

Helmut Burstell

Person

Patents Grantslast 30 patents

Phenoxysulfonylureas based on 3-substituted alkyl salicylates, and...

Heterocyclic 2-alkoxyphenoxysulfonylureas and the use thereof as he...

N-sultamsulfonamides

Heterocyclically substituted phenoxysulfonylureas, and the use ther...

Phenylpyrazolecarboxylic acid derivative preparation

Heterocyclically substituted n-sultamsulfonamides

Substituted sulfonyldiamides, processes for their preparation, and...

Certain perfluoroloweralkoxy-2-pyridyloxy propionates having herbic...

Alkyl- and alkenylsulfonylureas which are substituted in the hetero...

Heterocyclically substituted N-sultamsulfonamides, and their use as...

Phenylpyrazolecarboxylic acid derivatives, their preparation, and t...

1-substituted imidazole-5-carboxylic acid derivatives, their prepar...

2,3,6-substituted phenylimidazole derivatives and the use thereof a...

1,2,5-Substituted imidazole compounds and their use as growth regul...

1-phenylimidazolecarboxylic acid amides and their use as growth reg...

Growth-regulating, fungicidal, and herbicidal cyclohexylimidazole a...

N-alkoxyaminosulfonylureas and N-alkylsulfonylaminosulfonylureas

Plant growth regulators

Isoindoles, processes for their preparation and their use as herbic...

Herbicidal 1-acylimidazolinones

Herbicidal imidazolinones

N-alkoxyaminosulfonylureas and N-alkylsulfonylaminosulfonylureas an...

Phosphorus-containing functional derivatives of acetic acid, proces...

Increase of carbohydrate accumulation in plants by means of substit...

Sulfonylureas having heterocyclic substituents, and their use in ag...

Heterocyclic phenyl ethers and their herbicidal use

Heterocyclically substituted (halogeno)alkyl- and (halogeno)alkoxys...

1,2,4-Triazole derivatives

Imidazole carboxylic acids and derivatives thereof