TREA

Preparation from starting materials already containing the flavanthrone nucleus

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Industry

  • CPC
  • C09B5/22
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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

C09B5/22Preparation from starting materials already containing the flavanthrone nucleus
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    1734789
    • Patent number 1,734,789
    • Issue date Nov 5, 1929
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1492110
    • Patent number 1,492,110
    • Issue date Apr 29, 1924
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents