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Azo dyes prepared by coupling the diazotised amine with itself

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  • CPC
  • C09B37/00
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Parent Industries

CCHEMISTRY METALLURGY C09Paints, dyes C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES MORDANTS LAKES

Current Industry

C09B37/00Azo dyes prepared by coupling the diazotised amine with itself
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for producing a liquid formulation of salts of sulphonic-aci...
    • Patent number 7,847,073
    • Issue date Dec 7, 2010
    • BASF Aktiengesellschaft
    • Gunter-Rudolf Schroeder
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Method for producing a liquid formulation of salts of sulfoacidic a...
    • Patent number 7,488,810
    • Issue date Feb 10, 2009
    • BASF Aktiengesellschaft
    • Michael Schmitt
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Azo dye compound
    • Patent number 7,220,857
    • Issue date May 22, 2007
    • FUJIFILM Corporation
    • Katsumi Kobayashi
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Diaminoazothiophene compound and a method for preparing the same
    • Patent number 5,254,674
    • Issue date Oct 19, 1993
    • Osaka Gas Company, Limited
    • Yasunori Yokomichi
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Preparation of stable solutions of azo dyes of m-phenylenediamine b...
    • Patent number 4,952,680
    • Issue date Aug 28, 1990
    • BASF Aktiengesellschaft
    • Karl Schmeidl
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Preparation of liquid formulations of basic azo dyes in carboxylic...
    • Patent number 4,923,972
    • Issue date May 8, 1990
    • BASF Aktiengesellschaft
    • Karl Schmeidl
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Neutron and/or gamma radiation detecting system
    • Patent number 4,829,185
    • Issue date May 9, 1989
    • Kernforschungszentrum Karlsruhe GmbH
    • Karlheinz Kerff
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Cationic polyazo dyestuffs, their stable solutions, their preparati...
    • Patent number 4,502,862
    • Issue date Mar 5, 1985
    • Bayer Aktiengesellschaft
    • Roderich Rave
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Process for the preparation of solutions of cationic polyazo dyestuffs
    • Patent number 4,400,321
    • Issue date Aug 23, 1983
    • Bayer Aktiengesellschaft
    • Karl Linhart
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Preparation of aromatic azoamines by diazotization/coupling/rearran...
    • Patent number 4,275,003
    • Issue date Jun 23, 1981
    • Rhone-Poulenc Industries
    • Serge Ratton
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Naphtholactam dyestuffs
    • Patent number 3,950,347
    • Issue date Apr 13, 1976
    • Bayer Aktiengesellschaft
    • Horst Harnisch
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3414558
    • Patent number 3,414,558
    • Issue date Dec 3, 1968
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3346491
    • Patent number 3,346,491
    • Issue date Oct 10, 1967
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3202651
    • Patent number 3,202,651
    • Issue date Aug 24, 1965
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3133086
    • Patent number 3,133,086
    • Issue date May 12, 1964
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2986084
    • Patent number 2,986,084
    • Issue date May 30, 1961
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2964562
    • Patent number 2,964,562
    • Issue date Dec 13, 1960
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2273115
    • Patent number 2,273,115
    • Issue date Feb 17, 1942
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2273117
    • Patent number 2,273,117
    • Issue date Feb 17, 1942
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2263559
    • Patent number 2,263,559
    • Issue date Nov 25, 1941
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2248091
    • Patent number 2,248,091
    • Issue date Jul 8, 1941
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2228317
    • Patent number 2,228,317
    • Issue date Jan 14, 1941
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2213193
    • Patent number 2,213,193
    • Issue date Sep 3, 1940
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2208932
    • Patent number 2,208,932
    • Issue date Jul 23, 1940
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2022606
    • Patent number 2,022,606
    • Issue date Nov 26, 1935
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1922463
    • Patent number 1,922,463
    • Issue date Aug 15, 1933
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1867587
    • Patent number 1,867,587
    • Issue date Jul 19, 1932
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents