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Richard Adamson
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Leichlingen, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Process for preparing di- and polyamines of the diphenyl methane se...
Patent number
11,542,223
Issue date
Jan 3, 2023
Covestro LLC
Richard Adamson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of di- and polyamines of the diphenylme...
Patent number
10,759,736
Issue date
Sep 1, 2020
Covestro Deutschland AG
Stefan Wershofen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing isocyanate and at least one further chemical...
Patent number
10,618,871
Issue date
Apr 14, 2020
Covestro Deutschland AG
Jürgen Spriewald
C07 - ORGANIC CHEMISTRY
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 di- and polyamines of the diphenylme...
Patent number
9,416,094
Issue date
Aug 16, 2016
Covestro Deutschland AG
Thomas Knauf
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing diamines and polyamines of the diphenylmethane...
Patent number
9,309,184
Issue date
Apr 12, 2016
Covestro Deutschland AG
Thomas Knauf
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
Patent number
7,645,900
Issue date
Jan 12, 2010
Bayer MaterialScience AG
Wolfgang Lorenz
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 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
Process for the preparation of di- and polyamines of the diphenylme...
Patent number
7,205,439
Issue date
Apr 17, 2007
Bayer MaterialScience AG
Torsten Hagen
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PRODUCING DI- AND POLYISOCYANATES OF THE DIPHENYLMETHANE...
Publication number
20230027482
Publication date
Jan 26, 2023
COVESTRO DEUTSCHLAND AG
Stefan Wershofen
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR THE PREPARATION OF DI- AND POLYAMINES OF THE DIPHENYLME...
Publication number
20200123096
Publication date
Apr 23, 2020
COVESTRO DEUTSCHLAND AG
Stefan WERSHOFEN
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PRODUCING ISOCYANATE AND AT LEAST ONE FURTHER CHEMICAL...
Publication number
20190185419
Publication date
Jun 20, 2019
COVESTRO DEUTSCHLAND AG
Jürgen SPRIEWALD
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PHASE SEPARATION OR EXTRACTION AND DEVICE SUITABLE THER...
Publication number
20180304173
Publication date
Oct 25, 2018
COVESTRO DEUTSCHLAND AG
Bodo Temme
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR THE PREPARATION OF DI- AND POLYAMINES OF THE DIPHENYLME...
Publication number
20160068473
Publication date
Mar 10, 2016
COVESTRO DEUTSCHLAND AG
Thomas Knauf
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PRODUCING DIAMINES AND POLYAMINES OF THE DIPHENYLMETHANE...
Publication number
20160068475
Publication date
Mar 10, 2016
COVESTRO DEUTSCHLAND AG
Thomas Knauf
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PROCESS FOR PHASE SEPARATION OR EXTRACTION AND DEVICE SUITABLE THER...
Publication number
20140131275
Publication date
May 15, 2014
Bayer Intellectual Property GmbH
Bodo Temme
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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 preparation of isocyanates
Publication number
20090209784
Publication date
Aug 20, 2009
Bayer MaterialScience AG
Wolfgang Lorenz
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-...
Information
Patent Application
Process for the preparation of di- and polyamines of the diphenylme...
Publication number
20060224018
Publication date
Oct 5, 2006
Bayer MaterialScience AG
Torsten Hagen
C07 - ORGANIC CHEMISTRY