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Roger Nyssen
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Dormagen, DE
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last 30 patents
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Patent Grant
Pigment preparations useful for ink-jet printing
Patent number
6,245,138
Issue date
Jun 12, 2001
Bayer Aktiengesellschaft
Roger Nyssen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Pigment preparations useful for ink-jet printing
Patent number
6,077,339
Issue date
Jun 20, 2000
Bayer Aktiengesellschaft
Roger Nyssen
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Aqueous pigment preparations
Patent number
5,855,662
Issue date
Jan 5, 1999
Bayer Aktiengesellschaft
Achim Brand
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process and apparatus for the production of very fine mineral fiber...
Patent number
4,838,917
Issue date
Jun 13, 1989
Bayer Aktiengesellschaft
Wolfram Wagner
C03 - GLASS MINERAL OR SLAG WOOL