Manfred Langer

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Frankfurt am Main, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of 2-arylthiobenzoic acids
- Patent number 4,902,826
- Issue date Feb 20, 1990
- Bayer Aktiengesellschaft
- Wolfgang Bauer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of diaryl sulphides
- Patent number 4,686,303
- Issue date Aug 11, 1987
- Cassella Aktiengesellschaft
- Wolfgang Bauer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 2-mercaptobenzoxazoles
- Patent number 4,677,209
- Issue date Jun 30, 1987
- Cassella Aktiengesellschaft
- Ulrich Kussmaul
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of aryl isocyanide-dichlorides
- Patent number 4,401,603
- Issue date Aug 30, 1983
- Cassella Aktiengesellschaft
- Dieter Ferchland
- C07 - ORGANIC CHEMISTRY