Bernd Schroeder

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Patents Grantslast 30 patents

Information Patent Grant
Preparation of pure 1,5-dinitroanthraquinone
- Patent number 3,996,251
- Issue date Dec 7, 1976
- Bayer Aktiengesellschaft
- Bernd Schroeder
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of pure 1,8-dinitroanthraquinone
- Patent number 3,996,252
- Issue date Dec 7, 1976
- Bayer Aktiengesellschaft
- Bernd Schroeder
- C07 - ORGANIC CHEMISTRY