Dyes containing only OH-groups

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for preparing alizarin derivative compound, novel alizarin d...

    • Patent number 8,741,513
    • Issue date Jun 3, 2014
    • FUJIFILM Corporation
    • Keita Takahashi
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Guest-host type liquid crystal composition

    • Patent number 5,026,505
    • Issue date Jun 25, 1991
    • Hitachi, Ltd.
    • Masaharu Kaneko
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Process for the preparation of aromatic hydroxy compounds

    • Patent number 4,657,707
    • Issue date Apr 14, 1987
    • Ciba-Geigy Corporation
    • Rolf Muller
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Bis-quinizarin compounds

    • Patent number 4,313,887
    • Issue date Feb 2, 1982
    • Gulf Oil Corporation
    • Clarence D. Bertino
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Process for the preparation of dihydroxyanthraquinones

    • Patent number 4,002,654
    • Issue date Jan 11, 1977
    • Bayer Aktiengesellschaft
    • Andreas Huppertz
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3884943

    • Patent number 3,884,943
    • Issue date May 20, 1975
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    2752364

    • Patent number 2,752,364
    • Issue date Jun 26, 1956
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    2445538

    • Patent number 2,445,538
    • Issue date Jul 20, 1948
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    2215555

    • Patent number 2,215,555
    • Issue date Sep 24, 1940
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    2215556

    • Patent number 2,215,556
    • Issue date Sep 24, 1940
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2167070

    • Patent number 2,167,070
    • Issue date Jul 25, 1939
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1962084

    • Patent number 1,962,084
    • Issue date Jun 5, 1934
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1914450

    • Patent number 1,914,450
    • Issue date Jun 20, 1933
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1909638

    • Patent number 1,909,638
    • Issue date May 16, 1933
    • C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents