Siegfried Kersten

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Frankenthal, DE

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Patents Grantslast 30 patents

Information Patent Grant
Crystalline form and its preparation
- Patent number 4,931,466
- Issue date Jun 5, 1990
- BASF Aktiengesellschaft
- Siegfried Kersten
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
O-(O-ethyl-S-alkylphosphoryl)-O-(carbamyl)-pyrocatechol derivatives
- Patent number 4,855,140
- Issue date Aug 8, 1989
- BASF Aktiengesellschaft
- Wolfgang Seppelt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of o-(1-methoxy-2-chloro)-ethoxyphenyl N-methylcarbamate
- Patent number 4,788,324
- Issue date Nov 29, 1988
- BASF Aktiengesellschaft
- Gernot Reissenweber
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of pyrocatechol methylcarbamate
- Patent number 4,537,986
- Issue date Aug 27, 1985
- BASF Aktiengesellschaft
- Gernot Reissenweber
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for deactivating soluble metal cations in iron oxide pigments
- Patent number 4,348,240
- Issue date Sep 7, 1982
- BASF Wyandotte Corporation
- Arvind S. Patil
- C01 - INORGANIC CHEMISTRY