JPS637222B

JPS637222B

A process for converting finely particled agglomerated crude isoindoline pigments of the formula where A is and B is the radical of an unsubstituted or substituted barbituric acid, or A and B are both such a barbituric acid radical, into tinctorially valuable pigmentary forms, wherein the crude pigm...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: PEETAA HIRUBAATO, UORUFUGANGU ROTSUCHU
Format: Patent
Sprache:eng
Schlagworte:
ADHESIVES
CHEMISTRY
DYES
LAKES
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
MORDANTS
NATURAL RESINS
ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES
PAINTS
POLISHES
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Beschreibung
Zusammenfassung:A process for converting finely particled agglomerated crude isoindoline pigments of the formula where A is and B is the radical of an unsubstituted or substituted barbituric acid, or A and B are both such a barbituric acid radical, into tinctorially valuable pigmentary forms, wherein the crude pigment, which consists of primary particles having a mean size of