PIGMENTS OF THE 2,4-DIHYDROXYQUINOLINE SERIES

1429983 Organic pigments BASF AG 26 July 1973 [27 July 1972] 35541/73 Heading C4P New pigments are of formula (in which R1 is halogen or nitro; n is 0-2; A is the residue of a dialdehyde or a diketone of formula O=A=O). The pigments are obtained by condensing a dialdehyde or diketone of formula O=A=...

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Bibliographische Detailangaben
1. Verfasser:	MANFRED GAENG
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CORRECTING FLUIDS DYES FILLING PASTES INKS LAKES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS USE OF MATERIALS THEREFOR WOODSTAINS
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Zusammenfassung:	1429983 Organic pigments BASF AG 26 July 1973 [27 July 1972] 35541/73 Heading C4P New pigments are of formula (in which R1 is halogen or nitro; n is 0-2; A is the residue of a dialdehyde or a diketone of formula O=A=O). The pigments are obtained by condensing a dialdehyde or diketone of formula O=A=O (or an acetal or ketal thereof) with a hydrazone of a 3-acetyl-2,4-dihydroxyquinoline, which may be prepared in situ. Specific pigments are derived from glyoxal, naphthalene-2,6-dialdehyde, terephthaldehyde, 2,5 - dimethoxyterephthaldehyde, 2,5 - dichloroterephthaldehyde, diacetyl and benzyl as O=A=O. The pigments are used to colour plastics materials, surface coatings and printing inks.