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Wolfgang Beer
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Krefeld, DE
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last 30 patents
Information
Patent Grant
Recyclable thermoplastic foam with a high glass transition temperat...
Patent number
5,407,966
Issue date
Apr 18, 1995
Bayer Aktiengesellschaft
Wolfgang Ebert
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Recyclable thermoplastics foam of high glass temperature
Patent number
5,300,543
Issue date
Apr 5, 1994
Bayer Aktiengesellschaft
Wolfgang Ebert
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method of foaming thermoplastic polycarbonate
Patent number
5,256,702
Issue date
Oct 26, 1993
Bayer Aktiengesellschaft
Ernst Grigat
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method of foaming thermoplastic polycarbonate
Patent number
5,223,548
Issue date
Jun 29, 1993
Bayer Aktiengesellschaft
Ernst Grigat
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermoplastic molding compositions of a polysiloxane block copolyca...
Patent number
5,100,960
Issue date
Mar 31, 1992
Bayer Aktiengesellschaft
Ulrich Grigo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of blocked compounds optionally containi...
Patent number
4,439,591
Issue date
Mar 27, 1984
Bayer Aktiengesellschaft
Hans-Ulrich Buschhaus
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Resol resins prepared using butanol and tri-alkali metal phosphate
Patent number
4,268,648
Issue date
May 19, 1981
Bayer Aktiengesellschaft
Dieter Freitag
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Air-drying and oven-drying acrylate lacquer binders
Patent number
4,186,116
Issue date
Jan 29, 1980
Bayer Aktiengesellschaft
Rolf Dhein
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Stoving lacquers containing reactive diluents
Patent number
4,171,294
Issue date
Oct 16, 1979
Bayer Aktiengesellschaft
Rolf Dhein
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of multinuclear phenols which are alkyl...
Patent number
4,110,540
Issue date
Aug 29, 1978
Bayer Aktiengesellschaft
Dieter Freitag
C07 - ORGANIC CHEMISTRY