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Oswald Wilmes
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Koln, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing TDI-trimerisates with high purity
Patent number
10,676,448
Issue date
Jun 9, 2020
Covestro Deutschland AG
Josef Sanders
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing light-coloured TDI-polyisocyanates
Patent number
10,189,945
Issue date
Jan 29, 2019
Covestro Deutschland AG
Josef Sanders
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing TDI-trimerisates with high purity
Patent number
10,131,641
Issue date
Nov 20, 2018
Covestro Deutschland AG
Josef Sanders
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for trimerising cycloaliphatic diisocyanates
Patent number
9,376,403
Issue date
Jun 28, 2016
Covestro Deutschland AG
Reinhard Halpaap
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the removal of volatile compounds from mixtures of subs...
Patent number
7,442,277
Issue date
Oct 28, 2008
Bayer MaterialScience LLC
Kurt-Manfred Küpper
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
Condensation cross-linking polyurethane materials containing specia...
Patent number
6,703,453
Issue date
Mar 9, 2004
Bayer Aktiengesellschaft
Lutz Schmalstieg
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Piperazinone derivatives with alkoxysilane groups
Patent number
6,599,354
Issue date
Jul 29, 2003
Bayer Aktiengesellschaft
Lutz Schmalstieg
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyurethane prepolymers having alkoxysilane end groups, method for...
Patent number
6,545,087
Issue date
Apr 8, 2003
Bayer Aktiengesellschaft
Lutz Schmalstieg
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of aqueous stoving coating compositions
Patent number
5,981,653
Issue date
Nov 9, 1999
Bayer Aktiengesellschaft
Oswald Wilmes
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aqueous polyurethane dispersions based on 1-methyl-2,4-and/or -2,6-...
Patent number
5,922,806
Issue date
Jul 13, 1999
Bayer Aktiengesellschaft
Harald Blum
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Dispersing agents for aqueous coatings compositions
Patent number
5,910,556
Issue date
Jun 8, 1999
Bayer Aktiengesellschaft
Christian Wamprecht
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of 1-amino-1-methyl-3(4)-aminomethylcycl...
Patent number
5,905,170
Issue date
May 18, 1999
Bayer Aktiengesellschaft
Konrad Fischer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of 1-amino-1-methyl-3(4)-aminomethyl cy...
Patent number
5,900,507
Issue date
May 4, 1999
Bayer Aktiengesellschaft
Konrad Fischer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Heat exchange media for the thermal cracking of carbamic acid esters
Patent number
5,883,291
Issue date
Mar 16, 1999
Bayer Aktiengesellschaft
Dieter Schleenstein
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Coating compositions for glass substrates
Patent number
5,852,106
Issue date
Dec 22, 1998
Bayer Aktiengesselschaft
Oswald Wilmes
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aqueous polyurethane-ureas, a process for their production and thei...
Patent number
5,804,647
Issue date
Sep 8, 1998
Bayer Aktiengesellschaft
Klaus Nachtkamp
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of diurethanes and their use for the pro...
Patent number
5,744,633
Issue date
Apr 28, 1998
Bayer Aktiengesellschaft
Oswald Wilmes
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for thermally cracking carbamic acid esters
Patent number
5,731,458
Issue date
Mar 24, 1998
Bayer Aktiengesellschaft
Jurgen Dahmer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for removing by-products from diurethanes
Patent number
5,646,328
Issue date
Jul 8, 1997
Bayer Aktiengesellschaft
Ludwig Deibele
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Producing Isocyanate-Terminated, Urethane Group-Containing Prepolymers
Publication number
20240052085
Publication date
Feb 15, 2024
COVESTRO DEUTSCHLAND AG
Christoph Malbertz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS FOR PREPARING POLYISOCYANATES CONTAINING URETHANE GROUPS
Publication number
20210284787
Publication date
Sep 16, 2021
Covestro Intellectual Property GmbH & Co. KG
Michael Merkel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PRODUCING TDI-TRIMERISATES WITH HIGH PURITY
Publication number
20190031625
Publication date
Jan 31, 2019
COVESTRO DEUTSCHLAND AG
Josef Sanders
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
METHOD FOR PRODUCING TDI-TRIMERISATES WITH HIGH PURITY
Publication number
20160031834
Publication date
Feb 4, 2016
Bayer MaterialScience AG
Josef SANDERS
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
METHOD FOR PRODUCING LIGHT-COLOURED TDI-POLYISOCANTES
Publication number
20160017097
Publication date
Jan 21, 2016
Bayer MaterialScience AG
Josef SANDERS
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
PROCESS FOR TRIMERISING CYCLOALIPHATIC DIISOCYANATES
Publication number
20140058102
Publication date
Feb 27, 2014
Bayer MaterialScience AG
Reinhard Halpaap
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for the removal of volatile compounds from mixtures of subs...
Publication number
20050022940
Publication date
Feb 3, 2005
Kurt-Manfred Kupper
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for producing polyaddition compounds containing uretdione g...
Publication number
20040110918
Publication date
Jun 10, 2004
Hans-Josef Laas
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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-...