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Ernst Schubert
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Kelkheim, DE
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last 30 patents
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Patent Grant
Filaments and fibers of acryling polymers which contain carboxyl gr...
Patent number
5,109,092
Issue date
Apr 28, 1992
Hoechst Aktiengesellschaft
Bernd Huber
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Process for producing filaments and fibers of acrylic polymers whic...
Patent number
4,997,610
Issue date
Mar 5, 1991
Hoechst Aktiengesellschaft
Bernd Huber
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Process for preparation of acrylonitrile polymers with low K value
Patent number
4,977,225
Issue date
Dec 11, 1990
Hoechst Aktiengesellschaft
Tibor Krakkay
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyacrylonitriles with a low K value, a process for their preparat...
Patent number
4,759,853
Issue date
Jul 26, 1988
Hoechst Aktiengesellschaft
Tibor Krakkay
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyacrylonitriles with a low K value, a process for their preparat...
Patent number
4,683,286
Issue date
Jul 28, 1987
Hoechst Aktiengesellschaft
Tibor Krakkay
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyacrylonitriles with a low K value
Patent number
4,673,721
Issue date
Jun 16, 1987
Hoechst Aktiengesellschaft
Tibor Krakkay
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...