Helmut Nahm

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Kelkheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
4-Phenoxy-phenoxy-alkane-carboxylic acid derivatives and process fo...
- Patent number 4,391,995
- Issue date Jul 5, 1983
- Hoechst Aktiengesellschaft
- Helmut Nahm
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4-Phenoxy-phenoxy-alkane-carboxylic acid derivatives and process fo...
- Patent number 4,301,295
- Issue date Nov 17, 1981
- Hoechst Aktiengesellschaft
- Helmut Nahm
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4-Phenoxy-phenoxy-alkane-carboxylic acid derivatives and process fo...
- Patent number 4,238,626
- Issue date Dec 9, 1980
- Hoechst Aktiengesellschaft
- Helmut Nahm
- C07 - ORGANIC CHEMISTRY