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Klaus Nachtkamp
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Dusseldorf, DE
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last 30 patents
Information
Patent Grant
Polyisocyanates blocked with 3,5-dimethyl-1,2,4-triazole
Patent number
6,005,046
Issue date
Dec 21, 1999
Bayer Aktiengesellschaft
Gerald Kurek
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
Process for the preparation of diaminodipropyl ethers and hydroxyam...
Patent number
5,900,510
Issue date
May 4, 1999
Bayer Aktiengesellschaft
Helmut Waldmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyisocyanates blocked with 3,5-dimethyl-1,2,4-triazole
Patent number
5,889,106
Issue date
Mar 30, 1999
Bayer Aktiengesellschaft
Gerald Kurek
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
Polyisocyanates containing ether and urethane groups, a process for...
Patent number
5,747,628
Issue date
May 5, 1998
Bayer Aktiengesellschaft
Lutz Schmalstieg
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Aqueous coating compositions and their use for the preparation of c...
Patent number
5,747,582
Issue date
May 5, 1998
Bayer Aktiengesellschaft
Detlef-Ingo Schutze
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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
Aqueous coating compositions and their use for the preparation of c...
Patent number
5,716,676
Issue date
Feb 10, 1998
Bayer Aktiengesellschaft
Detlef-Ingo Schutze
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Coating compositions and their use for the preparation of coatings...
Patent number
5,629,402
Issue date
May 13, 1997
Bayer Aktiengesellschaft
Josef Pedain
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Polyisocyanate mixtures, a process for their preparation and their...
Patent number
5,473,011
Issue date
Dec 5, 1995
Bayer Aktiengesellschaft
Hans-Josef Laas
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Isocyanatocarboxylic acids, a process for their preparation and the...
Patent number
5,334,637
Issue date
Aug 2, 1994
Bayer Aktiengesellschaft
Christian Zwiener
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of brominated chlorine-substituted poly-...
Patent number
5,306,740
Issue date
Apr 26, 1994
Bayer Aktiengesellschaft
Hans J. Laas
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of polyurethane coatings
Patent number
5,236,741
Issue date
Aug 17, 1993
Bayer Aktiengesellschaft
Christian Zwiener
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of amines, the amines thus obtained and...
Patent number
5,219,975
Issue date
Jun 15, 1993
Bayer Aktiengesellschaft
Lutz Schmalstieg
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
A process for bonding substrates with an ester group-containing hot...
Patent number
5,215,618
Issue date
Jun 1, 1993
Bayer Aktiengesellschaft
Lutz Schmalstieg
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of O-silylated hydroxyl compounds and t...
Patent number
5,142,081
Issue date
Aug 25, 1992
Bayer Aktiengesellschaft
Lutz Schmalstieg
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Aqueous coating compositions containing water dispersible polyureth...
Patent number
5,141,987
Issue date
Aug 25, 1992
Bayer Aktiengesellschaft
Klaus Nachtkamp
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of polyurethane coatings
Patent number
5,126,170
Issue date
Jun 30, 1992
Bayer Aktiengesellschaft
Christian Zwiener
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyisocyanates containing ester groups, a process for the producti...
Patent number
5,096,994
Issue date
Mar 17, 1992
Bayer Aktiengesellschaft
Lutz Schmalstieg
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Heat curable mixtures and their use for the formation of coatings o...
Patent number
5,061,775
Issue date
Oct 29, 1991
Bayer Aktiengesellschaft
Lutz Schmalstieg
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyurethane dispersions and the use thereof as finishing agents
Patent number
4,876,302
Issue date
Oct 24, 1989
Bayer Aktiengesellschaft
Klaus Noll
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of aqueous polyurethane dispersions and...
Patent number
4,829,122
Issue date
May 9, 1989
Bayer Aktiengesellschaft
Josef Pedain
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of aqueous dispersions of polyurethane p...
Patent number
4,745,151
Issue date
May 17, 1988
Bayer Aktiengesellschaft
Klaus Noll
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Coating agents of polyurethane dispersions and the use thereof for...
Patent number
4,652,466
Issue date
Mar 24, 1987
Bayer Aktiengesellschaft
Wilhelm Thoma
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aqueous dispersions of graft polymers or copolymers, a process for...
Patent number
4,636,545
Issue date
Jan 13, 1987
Bayer Aktiengesellschaft
Joachim Konig
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Aqueous polyurethane stoving lacquers and the use thereof for the p...
Patent number
4,608,413
Issue date
Aug 26, 1986
Bayer Aktiengesellschaft
Klaus Nachtkamp
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Coating agents of polyurethane dispersions and the use thereof for...
Patent number
4,594,385
Issue date
Jun 10, 1986
Bayer Aktiengesellschaft
Wilhelm Thoma
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...