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Manfred Hederich
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Leverkusen, DE
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last 30 patents
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Patent Grant
Apparatus for discharging high viscosity media in chemical engineering
Patent number
4,617,089
Issue date
Oct 14, 1986
Bayer Aktiengesellschaft
Martin Ullrich
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for the concentration of solutions with simultaneous setting
Patent number
4,318,773
Issue date
Mar 9, 1982
Bayer Aktiengesellschaft
Martin Ullrich
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for the production of thermoplastic molding materials based...
Patent number
4,181,788
Issue date
Jan 1, 1980
Bayer Aktiengesellschaft
Frank Wingler
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...