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Bernd Quiring
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Leverkusen, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Process for polymerizing isocyanates
Patent number
5,770,671
Issue date
Jun 23, 1998
Bayer Aktiengesellschaft
Hartmut Nefzger
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for conditioning and stabilizing polyols
Patent number
5,476,892
Issue date
Dec 19, 1995
Bayer Aktiengesellschaft
Hans J. Scholl
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for stabilizing plastics containing ester groups
Patent number
5,210,170
Issue date
May 11, 1993
Bayer Aktiengesellschaft
Bernd Quiring
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Mixtures of thermoplastic poly(ester) carbonates with thermoplastic...
Patent number
4,929,674
Issue date
May 29, 1990
Bayer Aktiengesellschaft
Werner Nouvertne
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polycarbonate moulding composition with improved flow and processib...
Patent number
4,826,918
Issue date
May 2, 1989
Bayer Aktiengesellschaft
Hans-Jurgen Kress
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of matte, non-blocking, thin-walled mold...
Patent number
4,656,199
Issue date
Apr 7, 1987
Bayer Aktiengesellschaft
Georg Niederdellmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Magnetic storage medium
Patent number
4,477,531
Issue date
Oct 16, 1984
AGFA-Gevaert A.G.
Robert Kohler
G11 - INFORMATION STORAGE
Information
Patent Grant
Thermoplastic polyurethanes for processing in extruders and/or on c...
Patent number
4,371,684
Issue date
Feb 1, 1983
Bayer Aktiengesellschaft
Bernd Quiring
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of thermoplastic synthetic materials
Patent number
4,342,847
Issue date
Aug 3, 1982
Bayer Aktiengesellschaft
Wilhelm Goyert
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the continuous preparation of polyisocyanates containin...
Patent number
4,336,365
Issue date
Jun 22, 1982
Bayer Aktiengesellschaft
Artur Reischl
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Extrusion process for the preparation of polyurethane ureas
Patent number
4,286,080
Issue date
Aug 25, 1981
Bayer Aktiengesellschaft
Bernd Quiring
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of thermoplastic polymer by introducing...
Patent number
4,261,946
Issue date
Apr 14, 1981
Bayer Aktiengesellschaft
Wilhelm Goyert
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Novel transparent polyurethane polyurea films for lamination of gla...
Patent number
4,254,176
Issue date
Mar 3, 1981
Bayer Aktiengesellschaft
Hanns P. Muller
B32 - LAYERED PRODUCTS
Information
Patent Grant
Process for the production of thermoplastic polyurethane elastomers
Patent number
4,245,081
Issue date
Jan 13, 1981
Bayer Aktiengesellschaft
Bernd Quiring
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Novel transparent polyurethane polyureas for lamination of glazing...
Patent number
4,174,240
Issue date
Nov 13, 1979
Bayer Aktiengesellschaft
Hanns P. Muller
B32 - LAYERED PRODUCTS
Information
Patent Grant
Novel transparent polyurethane polyureas for lamination of glazing...
Patent number
4,166,149
Issue date
Aug 28, 1979
Bayer Aktiengesellschaft
Hanns P. Muller
B32 - LAYERED PRODUCTS
Information
Patent Grant
Method of reverse coating textile sheets with polyurethene
Patent number
4,160,686
Issue date
Jul 10, 1979
Bayer Aktiengesellschaft
Georg Niederdellmann
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process for the preparation of silyl substituted urea derivatives
Patent number
4,143,060
Issue date
Mar 6, 1979
Bayer Aktiengesellschaft
Kuno Wagner
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Novel transparent polyurethane polyureas for lamination of glazing...
Patent number
4,139,674
Issue date
Feb 13, 1979
Bayer Aktiengesellschaft
Hanns P. Muller
B32 - LAYERED PRODUCTS
Information
Patent Grant
Dental varnishes
Patent number
4,134,935
Issue date
Jan 16, 1979
Bayer Aktiengesellschaft
Bernd Quiring
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE