Colorant compositions

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2006-08-22

2006-08-22

Shosho, Callie (Department: 1714)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C106S031290, C106S031610, C552S114000, C524S196000

Reexamination Certificate

active

07094812

ABSTRACT:
Disclosed are colorant compounds of the formulawherein R, R1, R2, R3, and R4each, independently of the others, is an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group, and wherein R, R1, R2, R3, and R4each can be joined to a phenyl moiety to form a ring, each R′a, R′b, and R′c, independently of the others, is a halogen atom, an alkyl group, an alkoxy group, a nitrile group, a nitro group, an amide group, or a sulfonamide group, z1, z2, and z3 each, independently of the others, is an integer of 0, 1, 2, 3, or 4, n is an integer representing the number of carbon atoms in each repeat alkylene oxide unit, x is an integer representing the number of repeat alkylene oxide units, D is an anion, and g is the charge on the anion, wherein said colorant has no more than one —OH, —SH, or primary or secondary amino group per molecule.

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