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Knut Sommer
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Krefeld, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Process for producing diamines and polyamines of the diphenylmethan...
Patent number
9,701,617
Issue date
Jul 11, 2017
Covestro Deutschland AG
Stefan Wershofen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for purifying aniline from gas phase hydrogenations
Patent number
9,233,910
Issue date
Jan 12, 2016
Bayer Intellectual Property GmbH
Peter Lehner
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing aromatic amines
Patent number
9,067,864
Issue date
Jun 30, 2015
Bayer MaterialScience AG
Knut Sommer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing isocyanates in the gas phase
Patent number
8,563,767
Issue date
Oct 22, 2013
Bayer MaterialScience AG
Rainer Bruns
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the purification of aromatic amines
Patent number
8,455,691
Issue date
Jun 4, 2013
Bayer MaterialScience AG
Knut Sommer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for removing compounds containing phenolic hydroxy groups f...
Patent number
7,488,850
Issue date
Feb 10, 2009
Bayer MaterialScience LLC
Knut Sommer
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
PROCESS FOR PURIFYING ANILINE FROM GAS PHASE HYDROGENATIONS
Publication number
20140046096
Publication date
Feb 13, 2014
Bayer Intellectual Property GmbH
Peter Lehner
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR THE SIMPLIFIED REMOVAL OF A REACTION PRODUCT FROM REACTI...
Publication number
20130327086
Publication date
Dec 12, 2013
Bayer Intellectual Property GmbH
Amgad Salah Moussa
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR PRODUCING ISOCYANATES IN THE GAS PHASE
Publication number
20120302785
Publication date
Nov 29, 2012
Bayer MaterialScience AG
Rainer Bruns
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR THE PRODUCTION OF AROMATIC AMINES
Publication number
20100324336
Publication date
Dec 23, 2010
Bayer MaterialScience AG
Knut Sommer
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR THE PREPARATION OF AROMATIC AMINES
Publication number
20100280271
Publication date
Nov 4, 2010
Bayer MaterialScience AG
Knut Sommer
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PRODUCING DIAMINES AND POLYAMINES OF THE DIPHENYLMETHAN...
Publication number
20090240077
Publication date
Sep 24, 2009
Bayer MaterialScience AG
Stefan Wershofen
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for the purification of aromatic amines
Publication number
20090065347
Publication date
Mar 12, 2009
Knut Sommer
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for producing aromatic amines
Publication number
20080234518
Publication date
Sep 25, 2008
Knut Sommer
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for removing compounds containing phenolic hydroxy groups f...
Publication number
20080139850
Publication date
Jun 12, 2008
Knut Sommer
C07 - ORGANIC CHEMISTRY