Dieter Guenther

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Kelkheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
4-chlorooxazole derivatives and processes for their preparation and...
- Patent number 5,025,097
- Issue date Jun 18, 1991
- Hoechst Aktiengesellschaft
- Rainer Wingen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4-chlorooxazole derivatives and processes for their preparation and...
- Patent number 4,892,799
- Issue date Jan 9, 1990
- Hoechst Aktiengesellschaft
- Rainer Wingen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Sulfonyl-containing styrene derivatives and their use in electropho...
- Patent number 4,869,983
- Issue date Sep 26, 1989
- Hoechst Aktiengesellschaft
- Albert Bender
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Electrophotographic recording material
- Patent number 4,725,520
- Issue date Feb 16, 1988
- Hoechst Aktiengesellschaft
- Wolfgang Wiedemann
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Ketosultams
- Patent number 4,709,026
- Issue date Nov 24, 1987
- Hoechst Aktiengesellschaft
- Albert Bender
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Electrophotographic material with pyrimido-pyridobenzimidazole comp...
- Patent number 4,666,812
- Issue date May 19, 1987
- Hoechst Aktiengesellschaft
- Wolfgang Wiedemann
- C07 - ORGANIC CHEMISTRY