only S-containing hetero rings

Patents Grantslast 30 patents

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    Anthracene-based organic dyes and preparation methods thereof

    • Patent number 10,563,064
    • Issue date Feb 18, 2020
    • Changchun Institute of Applied Chemistry Chinese Academy of Sciences
    • Peng Wang
    • C07 - ORGANIC CHEMISTRY
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    Dyes of improved optical brightness and/or fluorescence and composi...

    • Patent number 7,705,144
    • Issue date Apr 27, 2010
    • Andrea E. Holmes
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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    Dye mixtures for the dyeing of textile hydrophobic fibre materials

    • Patent number 5,415,669
    • Issue date May 16, 1995
    • Hoechst Mitsubishi Kasei Co.
    • Ulrich Buhler
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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    Process for the preparation of benzothioxanthene dyestuffs

    • Patent number 5,280,128
    • Issue date Jan 18, 1994
    • Cassella Aktiengesellschaft
    • Wolfgang Bauer
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3356687

    • Patent number 3,356,687
    • Issue date Dec 5, 1967
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2144365

    • Patent number 2,144,365
    • Issue date Jan 17, 1939
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2025546

    • Patent number 2,025,546
    • Issue date Dec 24, 1935
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1783659

    • Patent number 1,783,659
    • Issue date Dec 2, 1930
    • C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents