Ingomar Krehan

Person

Cologne, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Benzoyl(thio)urea pesticides
- Patent number 4,782,090
- Issue date Nov 1, 1988
- Bayer Aktiengesellschaft
- Wilhelm Sirrenberg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel benzoylurea pesticides
- Patent number 4,774,260
- Issue date Sep 27, 1988
- Bayer Aktiengesellschaft
- Wilhelm Sirrenberg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
N-substituted benzoyl-N'-3,4-tetrafluoroethylenedioxy-urea pesticides
- Patent number 4,611,003
- Issue date Sep 9, 1986
- Bayer Aktiengesellschaft
- Albrecht Marhold
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Baits for combating vermin
- Patent number 4,564,631
- Issue date Jan 14, 1986
- Bayer Aktiengesellschaft
- Alfred Elbert
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Combating pests with substituted benzoyl-(thio)ureas
- Patent number 4,536,587
- Issue date Aug 20, 1985
- Bayer Aktiengesellschaft
- Wilhelm Sirrenberg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Combating pests with substituted 3,6-diphenyl-3,4-dihydro-2H-1,3,5-...
- Patent number 4,465,682
- Issue date Aug 14, 1984
- Bayer Aktiengesellschaft
- Wilhelm Sirrenberg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Combating pests with substituted 3,6-diphenyl-3,4-dihydro-2H-1,3,5-...
- Patent number 4,348,394
- Issue date Sep 7, 1982
- Bayer Aktiengesellschaft
- Wilhelm Sirrenberg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Combating insects with N-(substituted-phenyl)-N-(2-chloro-6-fluoro-...
- Patent number 4,277,499
- Issue date Jul 7, 1981
- Bayer Aktiengesellschaft
- Wilhelm Sirrenberg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Combating pests with N-(4-substituted-phenyl)-N'-(2-substituted-ben...
- Patent number 4,276,310
- Issue date Jun 30, 1981
- Bayer Aktiengesellschaft
- Wilhelm Sirrenberg
- C07 - ORGANIC CHEMISTRY

Ingomar Krehan

Person

Patents Grantslast 30 patents

Benzoyl(thio)urea pesticides

Novel benzoylurea pesticides

N-substituted benzoyl-N'-3,4-tetrafluoroethylenedioxy-urea pesticides

Baits for combating vermin

Combating pests with substituted benzoyl-(thio)ureas

Combating pests with substituted 3,6-diphenyl-3,4-dihydro-2H-1,3,5-...

Combating pests with substituted 3,6-diphenyl-3,4-dihydro-2H-1,3,5-...

Combating insects with N-(substituted-phenyl)-N-(2-chloro-6-fluoro-...

Combating pests with N-(4-substituted-phenyl)-N'-(2-substituted-ben...