Klaus Delpy

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Dietzenbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of diacylimides
- Patent number 6,028,192
- Issue date Feb 22, 2000
- Clariant GmbH
- Johannes Becherer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing N-alkylcarbazoles
- Patent number 5,902,884
- Issue date May 11, 1999
- Clariant GmbH
- Wolfgang Bauer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the oxidation of polyarlene compounds containing thioet...
- Patent number 5,891,988
- Issue date Apr 6, 1999
- Ticona GmbH
- Helmut Scheckenbach
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of ether-sulphonates
- Patent number 5,523,471
- Issue date Jun 4, 1996
- Hoechst Aktiengesellschaft
- Klaus Delpy
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of hydroxyalkylaminonitrobenzene deriva...
- Patent number 5,508,467
- Issue date Apr 16, 1996
- Cassella Aktiengesellschaft
- Wolfgang Bauer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of pyrrole derivates
- Patent number 5,290,947
- Issue date Mar 1, 1994
- Cassella Aktiengesellschaft
- Gerhard Zoller
- C07 - ORGANIC CHEMISTRY