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Section:	Main.PIGMENT.DiketoPyrroloPyrrole+Quinacridone.Co.: CH. C.Patent.Claims Etc.Claim 1: Pigment Compn. Formulae:.##STR8##; R1,R2,R3,R4=H Etc..Wherein Pigments of Formulae (I) &.(II) have Own Separate Crystalline.Phases & > 1 of (I) or (II) is.1,4-Diketo-2,5-Di-H-3,6-Di(4-Cl-Ph).Pyrrolo-[3,4c]Pyrrole or.2,9-DiChloroQuinacridone Kneaded.with a Crystalline Inorganic Salt &.Neutral Organic Liquid. Claim 3:.(I): 1,4-Diketo-2,5-Di-H-3,6-Di(4-.Cl-Ph)Pyrrolo[3,4c]Pyrrole. Claims.4,5: (II): Quinacridone or.2,9-DiChloroQuinacridone. Claim 6:.Neutral Organic Liquid is.Mono-, Bis- or Tris-Hydroxy-C2-C12.Alkane Compd. or.PolyEthylene Glycol or.PolyPropylene Glycol have 1-120.Ether Groups. Claim 7:.Printing Ink. Claim 8 Mass-Coloured.High MW Organic Material..Patent Assignee
Code:	64970
Product:	USA. C
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