Walter Gomm

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Cologne, DT

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of styryl dyestuffs
- Patent number 4,088,673
- Issue date May 9, 1978
- Bayer Aktiengesellschaft
- Walter Gomm
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of cationic dyestuffs
- Patent number 4,003,898
- Issue date Jan 18, 1977
- Bayer Aktiengesellschaft
- Walter Gomm
- C07 - ORGANIC CHEMISTRY