Compositions: coating or plastic – Materials or ingredients
Patent
1975-07-15
1976-10-12
Garvin, Patrick P.
Compositions: coating or plastic
Materials or ingredients
106309, 2603145, C04B 3100
Patent
active
039855708
ABSTRACT:
The preparation of pigment compositions with a copper phthalocyanine base, stable to crystallization is described.
There is incorporated in the copper phthalocyanine pigments to be stabilized a compound of the general formula: ##SPC1##
Wherein Pc represents a phthalocyanine residue, moiety or radical, X represents oxygen or sulfur or --NH-- bridge, R.sub.1 represents halogen or alkoxy, trifluoromethyl, trifluoromethoxy, cyano, carboxy, nitro, N-alkylamino or N,N-dialkylamino, R.sub.2 represents hydrogen, or alkyl or alkoxy group, R.sub.3 represents hydrogen or alkyl, n is a number from 1 to 8, R.sub.1, R.sub.2 and R.sub.3 may occupy the ortho, meta or para positions of the benzene ring.
The pigment compositions according to the invention are particularly well suited for the coloring of printed inks.
REFERENCES:
patent: 3296008 (1967-01-01), Pugin
patent: 3536502 (1970-10-01), Von et al.
patent: 3764361 (1973-10-01), Kienzle et al.
patent: 3767442 (1973-10-01), Kienzle et al.
Cabut Louis Antoine
Hardouin Jean-Claude Henri Raoul
Huille Michel Ernest Antoine
Pigasse Daniel Francois Xavier
Garvin Patrick P.
Produits Chimiques Ugine Kuhlmann
Sheehan John P.
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