Preparation from starting materials already containing the flavanthrone nucleus

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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...