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Stefan Groth
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Leverkusen, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Continuous dilution of polyisocyanates
Patent number
11,091,431
Issue date
Aug 17, 2021
Covestro Deutschland AG
Stefan Groth
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
TDI based low-viscosity polyisocyanates with isocyanurate groups
Patent number
10,752,728
Issue date
Aug 25, 2020
Covestro Deutschland AG
Christoph Irle
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
TDI based polyisocyanate mixture with a high solids content
Patent number
10,730,997
Issue date
Aug 4, 2020
Covestro Deutschland AG
Christoph Irle
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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 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
Polyurethane coatings, based on polyisocyanates containing uretdion...
Patent number
6,806,340
Issue date
Oct 19, 2004
Bayer Aktiengesellschaft
Stefan Groth
C14 - SKINS HIDES PELTS LEATHER
Information
Patent Grant
Polyurethane prepolymers with reduced functionality having terminal...
Patent number
6,762,270
Issue date
Jul 13, 2004
Bayer Aktiengesellschaft
Michael Ludewig
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Reactive compositions with an extended pot life
Patent number
6,624,282
Issue date
Sep 23, 2003
Bayer Aktiengesellschaft
Stefan Groth
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Stabilized monoaspartic acid esters and polyaspartic acid esters
Patent number
6,559,274
Issue date
May 6, 2003
Bayer Aktiengesellschaft
Rolf Gertzmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Reactive binding agent with an extended pot life
Patent number
6,548,615
Issue date
Apr 15, 2003
Bayer Aktiengesellschaft
Stefan Groth
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Hybrid coating compositions
Patent number
6,288,198
Issue date
Sep 11, 2001
Bayer Aktiengesellschaft
Markus Mechtel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Coating compositions containing alkoxysilanes
Patent number
6,281,322
Issue date
Aug 28, 2001
Bayer Aktiengesellschaft
Stefan Groth
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing polyisocyanates containing iminooxadiazinedio...
Patent number
6,107,484
Issue date
Aug 22, 2000
Bayer Aktiengesellschaft
Frank Richter
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing polyisocyanates containing iminooxadiazinedio...
Patent number
6,090,939
Issue date
Jul 18, 2000
Bayer Aktiengesellschaft
Frank Richter
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Transparent coating compositions containing nanoscale particles and...
Patent number
6,020,419
Issue date
Feb 1, 2000
Bayer Aktiengesellschaft
Manfred Bock
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Colloidal metal oxides having blocked isocyanate groups
Patent number
5,998,504
Issue date
Dec 7, 1999
Bayer Aktiengesellschaft
Stefan Groth
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
DISTILLATION OF POLYISOCYANATES
Publication number
20220267500
Publication date
Aug 25, 2022
Covestro Intellectual Property GmbH & Co. KG
Michael Merkel
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
CONTINUOUS DILUTION OF POLYISOCYANATES
Publication number
20200115328
Publication date
Apr 16, 2020
COVESTRO DEUTSCHLAND AG
Stefan Groth
C07 - ORGANIC CHEMISTRY
Information
Patent Application
TDI BASED LOW-VISCOSITY POLYISOCYANATES WITH ISOCYANURATE GROUPS
Publication number
20190270842
Publication date
Sep 5, 2019
COVESTRO DEUTSCHLAND AG
Christoph IRLE
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
TDI BASED POLYISOCYANATE MIXTURE WITH A HIGH SOLIDS CONTENT
Publication number
20190270843
Publication date
Sep 5, 2019
COVESTRO DEUTSCHLAND AG
Christoph IRLE
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
Polyurethane prepolymers with reduced functionality having terminal...
Publication number
20030153712
Publication date
Aug 14, 2003
Michael Ludewig
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polyurethane coatings, based on polyisocyanates containing uretdion...
Publication number
20030032756
Publication date
Feb 13, 2003
Stefan Groth
C14 - SKINS HIDES PELTS LEATHER
Information
Patent Application
REACTIVE COMPOSITIONS WITH AN EXTENDED POT LIFE
Publication number
20020177682
Publication date
Nov 28, 2002
STEFAN GROTH
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Stabilized monoaspartic acid esters and polyaspartic acid esters
Publication number
20020132965
Publication date
Sep 19, 2002
Rolf Gertzmann
C07 - ORGANIC CHEMISTRY