Phthalocyanine pigments
First Claim
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1. A PHTHALOCYANNE PIGGMENT HIGHLY RESISTANT TO FLOCCULATION IN A LYOPHILIC ORGANIC COATING VECHICLE CONSISTING ESSENTIALLY OF A MAJOR AMOUNT OF AN UNSULFONATED COPPER PHTHALOCYANINE PIGMENT SUBJECT TO SAID FLOCCULATION AND FROM 2-15% BY WEIGHT OF AN INSOLUBLE METAL SALT OF COPPER PHTHALOCYANINE POLYSULFONIC ACID, SAID METAL BEING SELECTED FROM THE GROUP CONSISTING OF BARIUM, MAGNESIUM, CADMIUM, MANGANESE, ZIRCONIUM, ZINC, ALUMINUM, AND TIN.
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1. A PHTHALOCYANNE PIGGMENT HIGHLY RESISTANT TO FLOCCULATION IN A LYOPHILIC ORGANIC COATING VECHICLE CONSISTING ESSENTIALLY OF A MAJOR AMOUNT OF AN UNSULFONATED COPPER PHTHALOCYANINE PIGMENT SUBJECT TO SAID FLOCCULATION AND FROM 2-15% BY WEIGHT OF AN INSOLUBLE METAL SALT OF COPPER PHTHALOCYANINE POLYSULFONIC ACID, SAID METAL BEING SELECTED FROM THE GROUP CONSISTING OF BARIUM, MAGNESIUM, CADMIUM, MANGANESE, ZIRCONIUM, ZINC, ALUMINUM, AND TIN.
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