Peter Krotzsch

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Ketsch, DE

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Patents Grantslast 30 patents

Information Patent Grant
Preparation of amine salts of 4-nitrotoluene-2-sulfonic acid
- Patent number 6,160,169
- Issue date Dec 12, 2000
- BASF Aktiengesellschaft
- Rudolf Bermes
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of amine salts of 4-nitrotoluene-2-sulfonic acid
- Patent number 5,892,105
- Issue date Apr 6, 1999
- BASF Aktiengesellschaft
- Rudolf Bermes
- C07 - ORGANIC CHEMISTRY