Ralf Maassen

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Erftstadt, DE

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Patents Grantslast 30 patents

Information Patent Grant
Reactor and process for preparing hydrogen sulphide
- Patent number 9,649,615
- Issue date May 16, 2017
- Evonik Degussa GmbH
- Caspar-Heinrich Finkeldei
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Reactor and process for preparing hydrogen sulphide
- Patent number 9,630,843
- Issue date Apr 25, 2017
- Evonik Degussa GmbH
- Caspar-Heinrich Finkeldei
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Reactor and process for preparing hydrogen sulphide
- Patent number 9,440,208
- Issue date Sep 13, 2016
- Evonik Degussa GmbH
- Caspar-Heinrich Finkeldei
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Reactor and process for preparing hydrogen sulphide
- Patent number 9,421,511
- Issue date Aug 23, 2016
- Evonik Degussa GmbH
- Caspar-Heinrich Finkeldei
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
REACTOR AND PROCESS FOR PREPARING HYDROGEN SULPHIDE
- Publication number 20150209747
- Publication date Jul 30, 2015
- Evonik Industries AG
- Caspar-Heinrich Finkeldei
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
REACTOR AND PROCESS FOR PREPARING HYDROGEN SULPHIDE
- Publication number 20150190775
- Publication date Jul 9, 2015
- Evonik Industries AG
- Caspar-Heinrich Finkeldei
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
REACTOR AND PROCESS FOR PREPARING HYDROGEN SULPHIDE
- Publication number 20150175419
- Publication date Jun 25, 2015
- Evonik Industries AG
- Caspar-Heinrich Finkeldei
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
REACTOR AND PROCESS FOR PREPARING HYDROGEN SULPHIDE
- Publication number 20150151271
- Publication date Jun 4, 2015
- Evonik Industries AG
- Caspar-Heinrich Finkeldei
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL