Horst-Dieter Kramer

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Leverkusen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of alkali metal diphenylates and free h...
- Patent number 4,467,123
- Issue date Aug 21, 1984
- Bayer Aktiengesellschaft
- Dietmar Mayer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 3-hydroxybenzoic acid
- Patent number 4,354,038
- Issue date Oct 12, 1982
- Bayer Aktiengesellschaft
- Ruthard Potthast
- C07 - ORGANIC CHEMISTRY