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Title: Pigments which are stable in nitrocellulose

Abstract: A pigment which is stable in nitrocellulose and comprises at least one trisaminotriarylmethane dye and heteropolyacids based on phosphoric acid, molybdic acid or tungstic acid, the pigment containing from 0.1 to 10% by weight (based on the pigment formulation) of a compound which possesses at least one --N(CH.sub.2 --COOH).sub.2 group. The pigment may be used for the stable coloration of nitrocellulose-containing printing inks and finishes or of nitrocellulose chips.


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Inventors: Bast, Klaus (Bad Durkheim, DE, US)
Plankenhorn, Erwin (Ludwigshafen, DE, US)

Application Number: 878914
Filing Date: 1978-02-17
Publication_date: 1979-03-06
Assignee: BASF Aktiengesellschaft (Rheinland-Pfalz, DE)
Primary Class(es): 106/493 106/31.69, 106/31.75, 106/169.33, 106/402, 106/503, 106/505, 552/103, 552/108
Other Classes:
US Patent Ref:
2635967Apr, 1953Gearhart et al.106/183.
3336147Aug, 1967Mitchell et al.106/309.
3387983Jun, 1968Rast106/289.

Other Refs: 2049379
Apr, 1972DE

Primary Examiner: McCarthy, Helen
Assistant Examiner:
Attorney: Oblon, Fisher, Spivak, McClelland & Maier