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Martin Brahm
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Patents Grants
last 30 patents
Information
Patent Grant
Process for the preparation of polyisocyanates and use thereof
Patent number
9,458,097
Issue date
Oct 4, 2016
Covestro Deutschland AG
Frank Richter
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing polyisocyanates and use thereof
Patent number
9,440,937
Issue date
Sep 13, 2016
Covestro Deutschland AG
Frank Richter
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of polyisocyanates with a biuret structure
Patent number
8,445,623
Issue date
May 21, 2013
Bayer MaterialScience AG
Martin Brahm
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing low-monomer-content organic polyisocyanates
Patent number
8,293,937
Issue date
Oct 23, 2012
Bayer MaterialScience AG
Martin Brahm
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for conditioning isocyanates
Patent number
7,595,422
Issue date
Sep 29, 2009
Bayer MaterialScience AG
Frank Richter
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyisocyanates containing acylurea groups, a process for their pro...
Patent number
7,071,353
Issue date
Jul 4, 2006
Bayer Aktiengesellschaft
Christoph Gürtler
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing low-monomer-content TDI trimers
Patent number
6,992,186
Issue date
Jan 31, 2006
Bayer Aktiengesellschaft
Martin Brahm
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing low-monomer-content TDI trimers
Patent number
6,936,678
Issue date
Aug 30, 2005
Bayer Aktiengesellschaft
Martin Brahm
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Highly functional polyisocyanate mixtures which are dispersible in...
Patent number
6,777,523
Issue date
Aug 17, 2004
Bayer Aktiengesellschaft
Hans-Josef Laas
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing organic monoisocyanates
Patent number
6,664,415
Issue date
Dec 16, 2003
Bayer Aktiengesellschaft
Martin Brahm
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Solvent-free binder compositions and their use in one- and two-com...
Patent number
6,410,095
Issue date
Jun 25, 2002
Bayer Aktiengesellschaft
Martin Brahm
C14 - SKINS HIDES PELTS LEATHER
Information
Patent Grant
Method for reducing the chlorine content of low molecular weight is...
Patent number
6,391,161
Issue date
May 21, 2002
Bayer Aktiengesellschaft
Karsten Danielmeier
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyisocyanate mixtures containing acylurea groups
Patent number
6,384,175
Issue date
May 7, 2002
Bayer Aktiengesellschaft
Karsten Danielmeier
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for decreasing the chlorine content of organic isocyanates
Patent number
6,222,066
Issue date
Apr 24, 2001
Bayer Aktiengesellschaft
Karsten Danielmeier
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyurethane-polyacrylate hybrid dispersions containing allophanate...
Patent number
6,197,874
Issue date
Mar 6, 2001
Bayer Aktiengesellschaft
Christoph Irle
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Olefinically unsaturated polyisocyanates
Patent number
6,111,053
Issue date
Aug 29, 2000
Bayer Aktiengesellschaft
Martin Brahm
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Use of nonionic, water-dispersible polyisocyanates as concrete addi...
Patent number
6,007,619
Issue date
Dec 28, 1999
Bayer Aktiengesellschaft
Hans-Josef Laas
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Binder mixtures for two-component polyurethane coating compositions
Patent number
6,001,931
Issue date
Dec 14, 1999
Bayer Aktiengesellschaft
Martin Brahm
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of polyisocyanates containing isocyanura...
Patent number
5,798,431
Issue date
Aug 25, 1998
Bayer Aktiengesellschaft
Martin Brahm
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Water dispersible polyisocyanate mixtures
Patent number
5,731,396
Issue date
Mar 24, 1998
Bayer Aktiengesellschaft
Hans-Josef Laas
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyisocyanates containing allophanate groups
Patent number
5,672,736
Issue date
Sep 30, 1997
Bayer Aktiengesellschaft
Martin Brahm
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Lacquer polyisocyanates with aliphatically and aromatically bound i...
Patent number
5,606,004
Issue date
Feb 25, 1997
Bayer Aktiengesellschaft
Martin Brahm
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Olefinically unsaturated isocyanates, a method for their production...
Patent number
5,580,947
Issue date
Dec 3, 1996
Bayer Aktiengesellschaft
Martin Brahm
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Water-dispersible polyisocyanate compositions
Patent number
5,563,207
Issue date
Oct 8, 1996
Bayer Aktiengesellschaft
Martin Brahm
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Isocyanate prepolymers, a process for their production and their us...
Patent number
5,508,372
Issue date
Apr 16, 1996
Bayer Aktiengesellschaft
Martin Brahm
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Water-soluble or water-dispersible polyisocyanate composition, a pr...
Patent number
5,468,804
Issue date
Nov 21, 1995
Bayer Aktiengesellschaft
Lutz Schmalstieg
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Olefinically unsaturated isocyanates
Patent number
5,459,214
Issue date
Oct 17, 1995
Bayer Aktiengesellschaft
Martin Brahm
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyhydroxyl compounds, a process for their production and their us...
Patent number
5,422,421
Issue date
Jun 6, 1995
Bayer Aktiengesellschaft
Wieland Hovestadt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of polyurethanes with liquid crystal pr...
Patent number
5,008,447
Issue date
Apr 16, 1991
Bayer Aktiengesellschaft
Werner Mormann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of polyurethanes with liquid crystal pr...
Patent number
4,895,920
Issue date
Jan 23, 1990
Bayer Aktiengesellschaft
Werner Mormann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND APPARATUS FOR PRODUCING A POLYURETHANE DISPERSION HAVING...
Publication number
20210246253
Publication date
Aug 12, 2021
Covestro Intellectual Property GmbH & Co. KG
Sebastian Doerr
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PRODUCING A POLYURETHANE DISPERSION WITH A REDUCED FOAM...
Publication number
20210230347
Publication date
Jul 29, 2021
Covestro Intellectual Property GmbH & Co. KG
Sebastian Doerr
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS FOR PREPARING POLYISOCYANATES AND CATALYST KIT THEREFOR
Publication number
20160046756
Publication date
Feb 18, 2016
Frank RICHTER
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PROCESS FOR THE PREPARATION OF POLYISOCYANATES AND USE THEREOF
Publication number
20150025268
Publication date
Jan 22, 2015
Bayer MaterialsScience AG
Frank Richter
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PRODUCING POLYISOCYANATES AND USE THEREOF
Publication number
20140275525
Publication date
Sep 18, 2014
Bayer Intellectual Property GmbH
Frank Richter
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR THE PREPARATION OF POLYISOCYANATES AND USE THEREOF
Publication number
20120035391
Publication date
Feb 9, 2012
Bayer MaterialScience AG
Frank Richter
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS FOR THE PREPARATION OF POLYISOCYANATES WITH A BIURET STRUCTURE
Publication number
20110046300
Publication date
Feb 24, 2011
Bayer MaterialScience AG
Martin Brahm
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for producing low-monomer-content organic polyisocyanates
Publication number
20090156778
Publication date
Jun 18, 2009
Bayer Material Science AG
Martin Brahm
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Low-Monomer-Concentration, Low-Viscosity Solutions of Tdi Isocyanur...
Publication number
20080287613
Publication date
Nov 20, 2008
Joachim Simon
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for conditioning isocyanates
Publication number
20080161534
Publication date
Jul 3, 2008
Bayer MaterialScience AG
Frank Richter
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for preparing low-monomer-content TDI trimers
Publication number
20040024213
Publication date
Feb 5, 2004
Martin Brahm
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for preparing low-monomer-content TDI trimers
Publication number
20040006228
Publication date
Jan 8, 2004
Martin Brahm
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polyisocyanates containing acylurea groups, a process for their pro...
Publication number
20020123596
Publication date
Sep 5, 2002
Christoph Gurtler
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for reducing the chlorine content of low molecular weight i...
Publication number
20020052466
Publication date
May 2, 2002
Martin Brahm
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for preparing organic monoisocyanates
Publication number
20010041810
Publication date
Nov 15, 2001
Martin Brahm
C07 - ORGANIC CHEMISTRY