Matthias Stumpf

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Wiesbaden, DE

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Patents Grantslast 30 patents

Information Patent Grant
Ethylene treatment by gas permeation
- Patent number 6,478,851
- Issue date Nov 12, 2002
- Axiva GmbH
- Hermann Berwe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of ethylene by gas permeation
- Patent number 6,365,784
- Issue date Apr 2, 2002
- Axiva GmbH
- Hermann Berwe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optimization of a cooling water system of a polyolefin production unit
- Patent number 6,235,852
- Issue date May 22, 2001
- Aventis Research & Technologies GmbH & Co. KG
- Jürgen Hess
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Ethylene treatment by gas permeation
- Publication number 20020087032
- Publication date Jul 4, 2002
- Axiva GmbH, a corporation of Germany
- Hermann Berwe
- C07 - ORGANIC CHEMISTRY