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Manfred Schonfelder
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Leverkusen, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Aqueous coating adhesive and sealant compositions containing oxadia...
Patent number
6,054,528
Issue date
Apr 25, 2000
Bayer Aktiengesellschaft
Josef Pedain
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Use of nonionic, water-dispersible polyisocyanates as concrete addi...
Patent number
6,007,619
Issue date
Dec 28, 1999
Bayer Aktiengesellschaft
Hans-Josef Laas
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Water-based coating compositions and their use for the production o...
Patent number
5,455,297
Issue date
Oct 3, 1995
Bayer Aktiengesellschaft
Josef Pedain
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
Process for the production of isocyanurate polyisocyanates, the com...
Patent number
5,076,958
Issue date
Dec 31, 1991
Bayer Aktiengesellschaft
Josef Pedain
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of biuret polyisocyanates, the compound...
Patent number
4,980,500
Issue date
Dec 25, 1990
Bayer Aktiengesellschaft
Josef Pedain
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
New polyester polyols and their use as polyol component in two-comp...
Patent number
4,894,430
Issue date
Jan 16, 1990
Bayer Aktiengesellschaft
Peter Hohlein
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of compounds containing isocyanurate gro...
Patent number
4,870,152
Issue date
Sep 26, 1989
Bayer Aktiengesellschaft
Jurgen Meixner
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Lacquer binder containing graft copolymer and polyisocyanates
Patent number
4,837,273
Issue date
Jun 6, 1989
Bayer Aktiengesellschaft
Christian Wamprecht
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyurethanes soluble or dissolved in aromatic hydrocarbons, a proc...
Patent number
4,789,718
Issue date
Dec 6, 1988
Bayer Aktiengesellschaft
Klaus Noll
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyester polyols and their use as polyol component in two componen...
Patent number
4,692,384
Issue date
Sep 8, 1987
Bayer Aktiengesellschaft
Josef Pedain
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyester polyols and their use as polyol component in two-componen...
Patent number
4,656,243
Issue date
Apr 7, 1987
Bayer Aktiengesellschaft
Josef Pedain
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyisocyanate addition products useful as mold release agents and...
Patent number
4,478,893
Issue date
Oct 23, 1984
Bayer Aktiengesellschaft
Manfred Schonfelder
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Plastics mouldings finished with a three-layer coating and a proces...
Patent number
4,456,647
Issue date
Jun 26, 1984
Bayer Aktiengesellschaft
Manfred Schonfelder
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Coatings for thermoplastics
Patent number
4,444,973
Issue date
Apr 24, 1984
Bayer Aktiengesellschaft
Manfred Schonfelder
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyisocyanates, preparation and use thereof
Patent number
4,373,080
Issue date
Feb 8, 1983
Bayer Aktiengesellschaft
Wolfgang Reichmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Ammonium salts of .alpha.-ketocarboxylic acids
Patent number
4,369,206
Issue date
Jan 18, 1983
Bayer Aktiengesellschaft
Wofram Mayer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of polyisocyanates containing biuret an...
Patent number
4,340,712
Issue date
Jul 20, 1982
Bayer Aktiengesellschaft
Wolfgang Reichmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of neopentyl glycol polyesters and co-p...
Patent number
4,338,431
Issue date
Jul 6, 1982
Bayer Aktiengesellschaft
Klaus Konig
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Coatings for thermoplastics
Patent number
4,315,091
Issue date
Feb 9, 1982
Bayer Aktiengesellschaft
Helmut Steinberger
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Ammonium salts of .alpha.-ketocarboxylic acids
Patent number
4,301,186
Issue date
Nov 17, 1981
Bayer Aktiengesellschaft
Wolfram Mayer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of foam plastics based on polyisocyanate...
Patent number
4,242,410
Issue date
Dec 30, 1980
Bayer Aktiengesellschaft
Eberhard Konig
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of polyisocyanates containing urethane...
Patent number
4,124,569
Issue date
Nov 7, 1978
Bayer Aktiengesellschaft
Manfred Bock
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of polyisocyanate mixtures containing bl...
Patent number
4,101,530
Issue date
Jul 18, 1978
Bayer Aktiengesellschaft
Tilo Burkhardt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...