Ewald Neumann

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Erfelden, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for the purification of corrosive gases
- Patent number 7,108,737
- Issue date Sep 19, 2006
- BASF Aktiengesellschaft
- Ewald Neumann
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for the purification of hydrogen peroxide solutions
- Patent number 6,939,527
- Issue date Sep 6, 2005
- Merck Patent GmbH
- Dietmar Oeter
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Method for the purification of corrosive gases
- Publication number 20040089152
- Publication date May 13, 2004
- Ewald Neumann
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method for the purification of hydrogen peroxide solutions
- Publication number 20030165420
- Publication date Sep 4, 2003
- Dietmar Oeter
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL