Waldemar Koehler

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Frankenthal, DT

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Patents Grantslast 30 patents

Information Patent Grant
Process for the separation of residues of toluenediisocyanate produ...
- Patent number 4,076,577
- Issue date Feb 28, 1978
- BASF Wyandotte Corporation
- Eckard Hetzel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of 1-methyl-3-phenylindans
- Patent number 4,012,305
- Issue date Mar 15, 1977
- Badische Anilin- & Soda-Fabrik Aktiengesellschaft
- Martin Fischer
- C07 - ORGANIC CHEMISTRY