substituted by heterocyclic ring linked directly to the benzene ring

Patents Grantslast 30 patents

  • Information Patent Grant

    Composition, film, laminate, and display device

    • Patent number 11,976,233
    • Issue date May 7, 2024
    • Sumitomo Chemical Company, Limited
    • Keisuke Takahashi
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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    Monoazo dye for thermal transfer printing

    • Patent number 5,512,664
    • Issue date Apr 30, 1996
    • Hansol Paper Co., Ltd.
    • Ki-taek Lee
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Monazo compounds containing a 1-phenyl-2-pyrazoline coupling component

    • Patent number 5,028,701
    • Issue date Jul 2, 1991
    • Bayer Aktiengesellschaft
    • Rainer Hamprecht
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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    Succinimido azo dyestuffs

    • Patent number 3,943,120
    • Issue date Mar 9, 1976
    • Ciba-Geigy AG
    • Richard Peter
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3776898

    • Patent number 3,776,898
    • Issue date Dec 4, 1973
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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    993020

    • Patent number 993,020
    • Issue date May 23, 1911
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents