by introduction of hydrocarbon radicals on C-atom of azo dye

Patents Grantslast 30 patents

  • Information Patent Grant

    AZO compound and ink containing the compound

    • Patent number 9,200,171
    • Issue date Dec 1, 2015
    • MITSUBISHI CHEMICAL CORPORATION
    • Utako Takeda
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Process for preparing self-dispersible coloring agent using lewis a...

    • Patent number 7,393,403
    • Issue date Jul 1, 2008
    • Samsung Eletronics Co., Ltd.
    • Jong-in Lee
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Dichroic dye, composition thereof, and liquid crystal composition a...

    • Patent number 6,861,106
    • Issue date Mar 1, 2005
    • Industrial Technology Research Institute
    • Shih-Hsien Liu
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Azo compound and liquid crystal composition containing the same

    • Patent number 5,104,572
    • Issue date Apr 14, 1992
    • Mitsubishi Kasei Corporation
    • Tetsuo Ozawa
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Polyaminomethylated monoazo and disazo colorants

    • Patent number 4,143,034
    • Issue date Mar 6, 1979
    • Sterling Drug Inc.
    • Patrick J. Jefferies
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Disazo pyrazolyl dyed polyester fibers

    • Patent number 4,083,688
    • Issue date Apr 11, 1978
    • Ciba-Geigy AG
    • Visvanathan Ramanathan
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Monoazo hydroxy pyridone dyestuffs containing a methylene piperidin...

    • Patent number 3,956,265
    • Issue date May 11, 1976
    • Imperial Chemical Industries Limited
    • John Lindley Leng
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Polyester fibers dyed with a disazo disperse dyestuff

    • Patent number 3,954,398
    • Issue date May 4, 1976
    • Ciba-Geigy AG
    • Visvanathan Ramanathan
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3539597

    • Patent number 3,539,597
    • Issue date Nov 10, 1970
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3518247

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

    3424841

    • Patent number 3,424,841
    • Issue date Jan 28, 1969
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3338659

    • Patent number 3,338,659
    • Issue date Aug 29, 1967
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3320234

    • Patent number 3,320,234
    • Issue date May 16, 1967
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3282779

    • Patent number 3,282,779
    • Issue date Nov 1, 1966
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    3230222

    • Patent number 3,230,222
    • Issue date Jan 18, 1966
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2540705

    • Patent number 2,540,705
    • Issue date Feb 6, 1951
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents