Bernhard Schemmer

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Haltern am See, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing 6-chlorodibenzo[D,F] [1,3,2] dioxaphosphepin
- Patent number 9,290,527
- Issue date Mar 22, 2016
- Evonik Degussa GmbH
- Dirk Fridag
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the preparation of biphephos
- Patent number 9,127,030
- Issue date Sep 8, 2015
- Evonik Degussa GmbH
- Burkard Kreidler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing 6-chlorodibenzo[d,f] [1,3,2]-dioxaphosphepin
- Patent number 8,729,287
- Issue date May 20, 2014
- Evonik Oxeno GmbH
- Dirk Fridag
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing 6-chlorodibenzo[D,F] [1 3,2]Dioxaphosphepin
- Patent number 8,609,878
- Issue date Dec 17, 2013
- Evonik Oxeno GmbH
- Dirk Fridag
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING 6-CHLORODIBENZO[D,F] [1,3,2] DIOXAPHOSPHEPIN
- Publication number 20140206904
- Publication date Jul 24, 2014
- Evonik Oxeno GmbH
- Dirk Fridag
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR THE PREPARATION OF BIPHEPHOS
- Publication number 20130324756
- Publication date Dec 5, 2013
- Evonik Oxeno GmbH
- Burkard Kreidler
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR THE PURIFICATION OF BIPHEPHOS
- Publication number 20130317246
- Publication date Nov 28, 2013
- Evonik Oxeno GmbH
- Burkard Kreidler
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING 6-CHLORODIBENZO[D,F] [1,3,2]-DIOXAPHOSPHEPIN
- Publication number 20110207966
- Publication date Aug 25, 2011
- Evonik Oxeno GmbH
- Dirk Fridag
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING 6-CHLORODIBENZO[D,F] [1,3,2]DIOXAPHOSPHEPIN
- Publication number 20110201837
- Publication date Aug 18, 2011
- Evonik Oxeno GmbH
- Dirk Fridag
- C07 - ORGANIC CHEMISTRY