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Fritz Pohl
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Brunsbuettel, 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 the preparation of isocyanates in the gas phase
Patent number
9,365,503
Issue date
Jun 14, 2016
Covestro Deutschland AG
Klaus Biskup
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of isocyanates in the gas phase
Patent number
9,024,057
Issue date
May 5, 2015
Bayer MaterialScience AG
Klaus Biskup
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of aromatic diisocyanates in the gas
Patent number
8,399,702
Issue date
Mar 19, 2013
Bayer MaterialScience AG
Fritz Pohl
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing methylenediphenyl diisocyanates
Patent number
8,318,971
Issue date
Nov 27, 2012
Bayer MaterialScience AG
Fritz Pohl
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of isocyanates in the gas phase
Patent number
7,615,662
Issue date
Nov 10, 2009
Bayer MaterialScience AG
Fritz Pohl
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the continuous preparation of isocyanates
Patent number
7,547,801
Issue date
Jun 16, 2009
Bayer MaterialScience LLC
Fritz Pohl
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of isocyanates in the gas phase
Patent number
7,541,487
Issue date
Jun 2, 2009
Bayer MaterialScience AG
Fritz Pohl
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing diamines and polyamines from the diphenylmeth...
Patent number
7,528,283
Issue date
May 5, 2009
Bayer MeterialScience AG
Fritz Pohl
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of toluenediamines by catalytic hydroge...
Patent number
7,511,176
Issue date
Mar 31, 2009
Bayer MaterialScience AG
Fritz Pohl
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of dinitrotoluene
Patent number
7,495,136
Issue date
Feb 24, 2009
Bayer MaterialScience AG
Fritz Pohl
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of di- and polyamines of the diphenylmet...
Patent number
7,312,362
Issue date
Dec 25, 2007
Bayer MaterialScience AG
Berthold Keggenhoff
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of polyamines of the diphenylmethane se...
Patent number
7,253,321
Issue date
Aug 7, 2007
Bayer MaterialScience AG
Torsten Hagen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Continuous process for preparing aromatic amines
Patent number
5,563,296
Issue date
Oct 8, 1996
Bayer Aktiengesellschaft
Uwe J. Zarnack
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the isolation of 2-naphthylamine-1,5-disulphonic acid
Patent number
5,248,812
Issue date
Sep 28, 1993
Bayer Aktiengesellschaft
Horst Behre
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
PROCESS FOR THE PREPARATION OF ISOCYANATES IN THE GAS PHASE
Publication number
20100160673
Publication date
Jun 24, 2010
Bayer MaterialScience AG
Rainer Bruns
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR THE PREPARATION OF ISOCYANATES IN THE GAS PHASE
Publication number
20100160674
Publication date
Jun 24, 2010
Bayer MaterialScience AG
Klaus Biskup
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR THE PREPARATION OF ISOCYANATES IN THE GAS PHASE
Publication number
20100152484
Publication date
Jun 17, 2010
Bayer MaterialScience AG
Klaus Biskup
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PREPARING METHYLENEDIPHENYL DIISOCYANATES
Publication number
20090240076
Publication date
Sep 24, 2009
Bayer MaterialScience AG
Fritz Pohl
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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 production of aromatic discocyanates in the gas
Publication number
20090149672
Publication date
Jun 11, 2009
Fritz Pohl
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for the preparation of isocyanates in the gas phase
Publication number
20080167490
Publication date
Jul 10, 2008
Fritz Pohl
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for the preparation of isocyanates in the gas phase
Publication number
20080146834
Publication date
Jun 19, 2008
Bayer MaterialScience AG
Fritz Pohl
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for the preparation of toluenediamines by catalytic hydroge...
Publication number
20080146847
Publication date
Jun 19, 2008
Bayer MaterialScience AG
Fritz Pohl
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for the production of dinitrotoluene
Publication number
20080086017
Publication date
Apr 10, 2008
Fritz Pohl
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for the continuous preparation of isocyanates
Publication number
20070299279
Publication date
Dec 27, 2007
Fritz Pohl
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for preparing diamines and polyamines from the diphenylmeth...
Publication number
20070179316
Publication date
Aug 2, 2007
Bayer MaterialScience AG
Fritz Pohl
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for the production of di-and polyamines of the diphenylmeth...
Publication number
20070179317
Publication date
Aug 2, 2007
Berthold Keggenhoff
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for the preparation of polyamines of the diphenylmethane se...
Publication number
20060287555
Publication date
Dec 21, 2006
Torsten Hagen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...