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Jochen Koll
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Odenthal, DE
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last 30 patents
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Patent Grant
Paper-coating slips containing fluorescent brighteners
Patent number
4,888,128
Issue date
Dec 19, 1989
Bayer Aktiengesellschaft
Jochen Koll
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for the preparation of a concentrated aqueous reactive dyes...
Patent number
4,778,603
Issue date
Oct 18, 1988
Bayer Aktiengesellschaft
Jochen Koll
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Process for the preparation of concentrated solutions of anionic dy...
Patent number
4,702,744
Issue date
Oct 27, 1987
Bayer Aktiengesellschaft
Joachim Wolff
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Liquid-crystalline phase of an azo reactive dyestuff, and its use f...
Patent number
4,443,225
Issue date
Apr 17, 1984
Bayer Aktiengesellschaft
Joachim Wolff
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Leather dyeing agents and their preparation: membrame separation of...
Patent number
4,402,701
Issue date
Sep 6, 1983
Bayer Aktiengesellschaft
Harald Gleinig
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Process for producing liquid dyestuff preparations
Patent number
4,329,145
Issue date
May 11, 1982
Bayer Aktiengesellschaft
Jochen Koll
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Liquid crystal phase of an azo reactive dyestuff and its use for dy...
Patent number
4,309,182
Issue date
Jan 5, 1982
Bayer Aktiengesellschaft
Jochen Koll
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Liquid crystal phase of an azo reactive dyestuff and its use for dy...
Patent number
4,309,183
Issue date
Jan 5, 1982
Bayer Aktiengesellschaft
Jochen Koll
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...