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Ernst Orthmann
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Dormagen, DE
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last 30 patents
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Patent Grant
Process for the continuous production of polyurethane and polyureth...
Patent number
5,908,913
Issue date
Jun 1, 1999
Bayer Aktiengesellschaft
Ernst Orthmann
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for the continuous production of polyurethane and polyureth...
Patent number
5,360,885
Issue date
Nov 1, 1994
Bayer Aktiengesellschaft
Ernst Orthmann
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Thermoplastic compositions of polyurethanes and partly crosslinked...
Patent number
5,237,001
Issue date
Aug 17, 1993
Bayer Aktiengesellschaft
Karl-Erwin Piejko
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...