Pyrazolanthrones

Patents Grantslast 30 patents

  • Information Patent Grant

    Process for the preparation of anthraquinoid intermediates and vat...

    • Patent number 4,784,805
    • Issue date Nov 15, 1988
    • Ciba-Geiby Corporation
    • Rudolf Blattner
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Method and apparatus for displaying indications of instructions in...

    • Patent number 4,677,501
    • Issue date Jun 30, 1987
    • Dictaphone Corporation
    • Jeremy Saltzman
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Process for the preparation of triazinylamino-anthraquinones

    • Patent number 4,334,068
    • Issue date Jun 8, 1982
    • Bayer Aktiengesellschaft
    • Rutger Neeff
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Copolymers of dyes and acrylamide

    • Patent number 4,132,841
    • Issue date Jan 2, 1979
    • Produits Chimiques Ugine Kuhlmann
    • Michel M. L. Champenois
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Copolymers of anthraquinone dyes and acrylamide

    • Patent number 4,093,793
    • Issue date Jun 6, 1978
    • Produits Chimiques Ugine Kuhlmann
    • Michel Maurice Luce Champenois
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    3560491

    • Patent number 3,560,491
    • Issue date Feb 2, 1971
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3324142

    • Patent number 3,324,142
    • Issue date Jun 6, 1967
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3235552

    • Patent number 3,235,552
    • Issue date Feb 15, 1966
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    2518150

    • Patent number 2,518,150
    • Issue date Aug 8, 1950
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2242411

    • Patent number 2,242,411
    • Issue date May 20, 1941
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2136133

    • Patent number 2,136,133
    • Issue date Nov 8, 1938
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2133432

    • Patent number 2,133,432
    • Issue date Oct 18, 1938
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1920426

    • Patent number 1,920,426
    • Issue date Aug 1, 1933
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1877884

    • Patent number 1,877,884
    • Issue date Sep 20, 1932
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    1804532

    • Patent number 1,804,532
    • Issue date May 12, 1931
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1793138

    • Patent number 1,793,138
    • Issue date Feb 17, 1931
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1329435

    • Patent number 1,329,435
    • Issue date Feb 3, 1920
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...