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Bernhard Schulte
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Krefeld, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Aliphatic thermoplastic polyurethanes, processes for their preparat...
Patent number
6,518,389
Issue date
Feb 11, 2003
Bayer Aktiengesellschaft
Wolfgang Kaufhold
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing TPU molding compositions
Patent number
5,981,655
Issue date
Nov 9, 1999
Bayer Aktiengesellschaft
Herbert Heidingsfeld
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Melt processable polyurethanes containing wax
Patent number
5,925,697
Issue date
Jul 20, 1999
Bayer Aktiengesellschaft
Wolfgang Brauer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing TPU molding compositions
Patent number
5,760,133
Issue date
Jun 2, 1998
Bayer Aktiengesellschaft
Herbert Heidingsfeld
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing TPU molding compositions
Patent number
5,696,205
Issue date
Dec 9, 1997
Bayer Aktiengesellschaft
Friedemann Muller
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Multi-layer films made from copolyamides
Patent number
5,645,945
Issue date
Jul 8, 1997
Bayer Aktiengesellschaft
Werner Nielinger
B32 - LAYERED PRODUCTS
Information
Patent Grant
Process for the continuous production of thermoplastic polyurethane...
Patent number
5,567,791
Issue date
Oct 22, 1996
Bayer Aktiengesellschaft
Wolfgang Br auer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Use of polymer blend films as supports for diagnostic test strips
Patent number
5,238,737
Issue date
Aug 24, 1993
Miles Inc.
Claus Burkhardt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Alkali or alkaline earth salts of sulfosuccinic acid esters as inte...
Patent number
5,140,056
Issue date
Aug 18, 1992
Bayer Aktiengesellschaft
Volker Wiskamp
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of optically isotropic extrusion films
Patent number
5,076,987
Issue date
Dec 31, 1991
Bayer Aktiengesellschaft
Joachim Wank
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Printing ribbon comprising polycondensates
Patent number
5,037,220
Issue date
Aug 6, 1991
Bayer Aktiengesellschaft
Volker Serini
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Moulded bodies containing carbon
Patent number
4,876,033
Issue date
Oct 24, 1989
Bayer Aktiengesellschaft
Heinz-Jurgen Dziurla
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Stretched polycarbonate films filled with carbon black
Patent number
4,791,016
Issue date
Dec 13, 1988
Bayer Aktiengesellschaft
Bernhard Schulte
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Use of films of polycondensates
Patent number
4,786,708
Issue date
Nov 22, 1988
Bayer Aktiengesellschaft
Volker Serini
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
High molecular weight polyesters, preparation and use thereof
Patent number
4,654,411
Issue date
Mar 31, 1987
Bayer Aktiengesellschaft
Volker Serini
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Electrically conductive polycarbonate laminates and their preparation
Patent number
4,599,262
Issue date
Jul 8, 1986
Bayer Aktiengesellschaft
Bernhard Schulte
B32 - LAYERED PRODUCTS
Information
Patent Grant
Polyphosphates and process of preparation
Patent number
4,491,656
Issue date
Jan 1, 1985
Bayer Aktiengesellschaft
Volker Serini
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of hydantoins
Patent number
4,465,839
Issue date
Aug 14, 1984
Bayer Aktiengesellschaft
Bernhard Schulte
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of (thio) hydantoins
Patent number
4,465,840
Issue date
Aug 14, 1984
Bayer Aktiengesellschaft
Bernhard Schulte
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of hydantoins
Patent number
4,448,942
Issue date
May 15, 1984
Bayer Aktiengesellschaft
Bernhard Schulte
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of polymers containing hydantoin groups
Patent number
4,298,515
Issue date
Nov 3, 1981
Bayer Aktiengesellschaft
Jurgen Lewalter
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Coating compositions obtained by reacting amino carboxylic acids de...
Patent number
4,281,095
Issue date
Jul 28, 1981
Bayer Aktiengesellschaft
Willi Dunwald
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of polymers containing hydantoin groups
Patent number
4,269,750
Issue date
May 26, 1981
Bayer Aktiengesellschaft
Jurgen Lewalter
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Continuous production of thermoplastic polyurethane elastomers
Publication number
20030158365
Publication date
Aug 21, 2003
Wolfgang Brauer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...