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Special process features in the quaternization reaction

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  • C09B44/005
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CCHEMISTRY METALLURGY C09Paints, dyes C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES MORDANTS LAKES C09B44/00Azo dyes containing onium groups

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C09B44/005Special process features in the quaternization reaction
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tricationic dyes
    • Patent number 7,794,509
    • Issue date Sep 14, 2010
    • Ciba Corporation
    • Christian Cremer
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Preparation of quaternized azo dyes
    • Patent number 5,264,560
    • Issue date Nov 23, 1993
    • BASF Aktiengesellschaft
    • Guenter Hansen
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Process for the preparation of chlorozincate salts of benzo thiazol...
    • Patent number 4,638,053
    • Issue date Jan 20, 1987
    • Hoechstaktiengesellschaft
    • Rudolf Neeb
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Process for the preparation of cationic dyestuffs
    • Patent number 4,349,670
    • Issue date Sep 14, 1982
    • Bayer Aktiengesellschaft
    • Roderich Raue
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Process for the preparation of cationic dyestuffs
    • Patent number 4,343,936
    • Issue date Aug 10, 1982
    • Bayer Aktiengesellschaft
    • Harald Gleinig
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Process for the preparation of cationic dyestuffs
    • Patent number 4,342,867
    • Issue date Aug 3, 1982
    • Bayer Aktiengesellschaft
    • Harald Gleinig
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Alkylation of benzthiazole-azo-phenylamine dyestuffs
    • Patent number 4,292,238
    • Issue date Sep 29, 1981
    • Bayer Aktiengesellschaft
    • Hans-Peter Kuhlthau
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Process for the preparation of cationic dyestuffs
    • Patent number 4,281,112
    • Issue date Jul 28, 1981
    • Bayer Aktiengesellschaft
    • Klaus-Friedrich Lehment
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Process for the preparation of chlorozincate salts of thiazolium az...
    • Patent number 4,269,768
    • Issue date May 26, 1981
    • Hoechst Aktiengesellschaft
    • Rudolf Neeb
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Process for dry quaternization of azo compounds
    • Patent number 4,081,436
    • Issue date Mar 28, 1978
    • American Cyanamid Company
    • Richard Benjamin Balsley
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Process for the manufacture of cationic hydrazone dyes
    • Patent number 4,026,885
    • Issue date May 31, 1977
    • Ciba-Geigy Corporation
    • Christian Frey
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Mixtures of azo compounds having a 2-nitro-4-phenylsulfamoyldipheny...
    • Patent number 4,009,158
    • Issue date Feb 22, 1977
    • Sandoz Ltd.
    • Ruedi Altermatt
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Method of producing quaternary pyridinium compounds
    • Patent number 3,997,519
    • Issue date Dec 14, 1976
    • GAF Corporation
    • Robert F. Armbruster
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Quaternization of benzthiazole-azo compounds
    • Patent number 3,991,043
    • Issue date Nov 9, 1976
    • Toms River Chemical Corporation
    • Hugo Illy
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Process for the production of concentrated solutions of cationic az...
    • Patent number 3,956,271
    • Issue date May 11, 1976
    • Sandoz Ltd.
    • Ulrich Blass
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3912712
    • Patent number 3,912,712
    • Issue date Oct 14, 1975
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3865805
    • Patent number 3,865,805
    • Issue date Feb 11, 1975
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3718642
    • Patent number 3,718,642
    • Issue date Feb 27, 1973
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3691148
    • Patent number 3,691,148
    • Issue date Sep 12, 1972
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3519615
    • Patent number 3,519,615
    • Issue date Jul 7, 1970
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3518247
    • Patent number 3,518,247
    • Issue date Jun 30, 1970
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

  • Information Patent Application

    Tricationic dyes
    • Publication number 20100011518
    • Publication date Jan 21, 2010
    • Christian Cremer
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE