Herbert Neumann

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Bergheim, 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
Process for the preparation of ammonium polyphosphate
- Patent number 5,277,887
- Issue date Jan 11, 1994
- Hoechst Aktiengesellschaft
- Thomas Staffel
- C01 - INORGANIC CHEMISTRY

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