C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
6/212, 260/274
C09B 57/08 (2006.01) C09B 5/62 (2006.01) C09B 67/22 (2006.01) C09B 69/00 (2006.01) C09D 11/02 (2006.01) D06P 1/00 (2006.01)
Patent
CA 1269379
ABSTRACT OF THE DISCLOSURE Silane diimidic tetracarboxylic perylene dyes, the com- posite pigments obtainable there-from by means of grafting onto an inorganic substrate, and the processes for preparing same. The dyes have the general formula: Image (I) in which R is the residue of a silane group of formula: Image (II) wherein n is 3, 4 or 5; q is 0 or 1; p is 2 or 3 and m is 0, 1, 2 or 3 with the proviso that when q is 0, p is 3 and m is 0, 1 2 or 3 and when q is 1, p is 2 and m is 0, 1 or 2; R2 is an alkyl C1- C4 or a phenyl; R3 is an alkoxyl C1-C2; R1 may be the same as R or represent an alkyl C1-C6, a cyclohexyl, a phenyl which may be substituted by one or more alkyl or alkoxyl groups C1-C6 or a halogen. The dyes and the composite pigments obtained from said dyes are utilized in paints, air and stove enamels, in the pigmentation of plastic materials, and in printing inks.
466186
Bottaccio Giorgio
Carlini Filippo M.
Maranzana Giorgio
Marraccini Antonio
Pasquale Antonio
Bottaccio Giorgio
Carlini Filippo M.
Maranzana Giorgio
Marks & Clerk
Marraccini Antonio
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