IT1070205B - Crystallisation-stable phthalocyanine mixtures - contg. copper phthalo cyanine in the epsilon, gamma, delta or R form
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Crystallisation-stable phthalocyanine mixtures - contg. copper phthalo cyanine in the epsilon, gamma, delta or R form
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IT1070205B
IT1070205BIT6860274AIT6860274AIT1070205BIT 1070205 BIT1070205 BIT 1070205BIT 6860274 AIT6860274 AIT 6860274AIT 6860274 AIT6860274 AIT 6860274AIT 1070205 BIT1070205 BIT 1070205B
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The mixture comprises (a) a cpd. of formula (I): Pc(CH2-X-A)n (I) (where Pc is a phthalocyanine residue; X is O or S; A is aryl opt. substd. by lower alkyl; n is a whole no. 1-8), disclosed in FR. 7318490 of 22.5.73, and (b) a copper phthalocyanine in the epsilon (DT.1181248), gamma (US.2770629, 2524672; GB 662386), delta (FR 1301080; US 3160635; GB 981364; also US 3150150; GB 912526), or R form (US 3051721). The mixture pref. contains 1-20% (I).
IT6860274A1974-05-221974-05-22Crystallisation-stable phthalocyanine mixtures - contg. copper phthalo cyanine in the epsilon, gamma, delta or R form
IT1070205B
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