Michael Holzbrecher

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Engelskirchen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing osmotically and mechanically stable gel-like a...
- Patent number 6,667,349
- Issue date Dec 23, 2003
- Bayer Aktiengesellschaft
- Holger Lütjens
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for the preparation of 2,3,4,5-tetrafluorobenzene derivatives
- Patent number 6,613,948
- Issue date Sep 2, 2003
- Bayer AG
- Otto Neuner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Continuous process for the preparation of diaminodicyclohexylmethane
- Patent number 6,504,060
- Issue date Jan 7, 2003
- Bayer Aktiengesellschaft
- Rolf Bunnenberg
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Continuous process for the preparation of diaminodicyclohexylmethane
- Publication number 20020198409
- Publication date Dec 26, 2002
- Rolf Bunnenberg
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for preparing monodisperse adsorber resins and their use
- Publication number 20010002656
- Publication date Jun 7, 2001
- Ulrich Schnegg
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL