Dyes

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2005-10-04

2005-10-04

Solola, Taofiq (Department: 1626)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C546S282700

Reexamination Certificate

active

06951952

ABSTRACT:
There are described novel rhodol dye compounds The dye compounds exhibit a first color when in the crystalline form and a second color, different from the first color, when in the liquid, amorphous form.

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