Friedhelm Schwerdtle

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Eppstein, DE

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Patents Grantslast 30 patents

Information Patent Grant
Optically active D-pyridyloxy phenoxy propionate herbicides
- Patent number 5,712,226
- Issue date Jan 27, 1998
- Hoechst Aktiengesellschaft
- Hans Jurgen Nestler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optically active herbicidal ethyl-2-(4-(6-chloro-benzoxazol-2-yloxy...
- Patent number 5,254,527
- Issue date Oct 19, 1993
- Hoechst Aktiengesellschaft
- Hans J. Nestler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Herbicidal compositions
- Patent number 4,830,658
- Issue date May 16, 1989
- Hoechst Aktiengesellschaft
- Hermann Bieringer
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Herbicidal compositions
- Patent number 4,692,181
- Issue date Sep 8, 1987
- Hoechst Aktiengesellschaft
- Hermann Bieringer
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Herbicidal esters of D-1-(phenoxy-4-phenoxy)propionic acid
- Patent number 4,531,969
- Issue date Jul 30, 1985
- Hoechst Aktiengesellschaft
- Hans J. Nestler
- C07 - ORGANIC CHEMISTRY