Stefanie Sohnemann

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Overath, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for hydrolysing acetone cyanohydrin
- Patent number 9,458,083
- Issue date Oct 4, 2016
- Evonik Roehm GmbH
- Arndt Selbach
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Metering ring
- Patent number 9,169,194
- Issue date Oct 27, 2015
- Evonik Rohm GmbH
- Lorenza Sartorelli
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing methacrylic acid
- Patent number 8,575,388
- Issue date Nov 5, 2013
- Evonik Roehm GmbH
- Udo Gropp
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for purifying methacrylic acid
- Patent number 8,389,762
- Issue date Mar 5, 2013
- Evonik Rohm GmbH
- Udo Gropp
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR HYDROLYSING ACETONE CYANOHYDRIN
- Publication number 20150045577
- Publication date Feb 12, 2015
- Evonik Roehm GmbH
- Arndt Selbach
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METERING RING
- Publication number 20130211140
- Publication date Aug 15, 2013
- Lorenza SARTORELLI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METERING RING
- Publication number 20120010430
- Publication date Jan 12, 2012
- Evonik Roehm GmbH
- Lorenza Sartorelli
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING METHACRYLIC ACID
- Publication number 20120004460
- Publication date Jan 5, 2012
- Evonik Roehm GmbH
- Udo Gropp
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING METHACRYLIC ACID
- Publication number 20100331572
- Publication date Dec 30, 2010
- Evonik Roehm GmbH
- Udo Gropp
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PURIFYING METHACRYLIC ACID
- Publication number 20100314239
- Publication date Dec 16, 2010
- Evonik Roehm GmbH
- Udo Gropp
- C07 - ORGANIC CHEMISTRY