TREA

Dipyrazolanthrones

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Industry

  • CPC
  • C09B5/08
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Parent Industries

CCHEMISTRY METALLURGY C09Paints, dyes C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES MORDANTS LAKES C09B5/00Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings

Current Industry

C09B5/08Dipyrazolanthrones
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Process for the preparation of a n-alkylated bipyrazoleanthrone
    • Patent number 4,892,957
    • Issue date Jan 9, 1990
    • Ciba-Geigy Corporation
    • Rainer Hildebrand
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2817667
    • Patent number 2,817,667
    • Issue date Dec 24, 1957
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2802829
    • Patent number 2,802,829
    • Issue date Aug 13, 1957
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2226062
    • Patent number 2,226,062
    • Issue date Dec 24, 1940
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2176443
    • Patent number 2,176,443
    • Issue date Oct 17, 1939
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2124251
    • Patent number 2,124,251
    • Issue date Jul 19, 1938
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1948178
    • Patent number 1,948,178
    • Issue date Feb 20, 1934
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1804531
    • Patent number 1,804,531
    • Issue date May 12, 1931
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1695631
    • Patent number 1,695,631
    • Issue date Dec 18, 1928
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...