Colorant compounds

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2005-10-25

2005-10-25

Badio, Barbara P. (Department: 1616)

Organic compounds -- part of the class 532-570 series

Organic compounds

Polycyclo ring system containing anthracene configured ring...

C552S244000

Reexamination Certificate

active

06958406

ABSTRACT:
Disclosed are compounds of the formulawherein Y is a hydrogen atom or a bromine atom, n is an integer of 0, 1, 2, 3, or 4, R1is an alkylene group or an arylalkylene group, and X is (a) a hydrogen atom, (b) a group of the formulawherein R2is an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group, (c) an alkyleneoxy, aryleneoxy, arylalkyleneoxy, or alkylaryleneoxy group, or (d) a group of the formulawherein R4is an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group.

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