Patent ID: 6593286
Filing Date: 2003-07-15
Classification: C11D

Abstract:
A composition comprising:(A) a photobleach comprising: a) a metal or metalloid selected from Ga, Ge, Sn, Si and Al; b) a chromophore selected from substituted phthalocyanine, unsubstituted phthalocyanine, substituted naphthalocyanine and unsubstituted naphthalocyanine; and c) one or two bonded ligands, occupying axial positions; wherein at least one of said ligands has the formula: wherein R1 and R2 are C1-C4 alkyl moieties, a is a number from 2 to 16, and R3 and R4 are each independently selected from the group consisting of H, C1-C18 alkyl, alkaryl, a moiety having the formula: â€”(CH2)bâ€”X wherein b is a number from 2 to 16, X is a heteroatom containing moiety; * marks the bond to said metal or metalloid; B) polyethylene glycol; and C) the balance carriers and adjunct ingredients.