C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
C09B 19/00 (2006.01) A61K 7/13 (1990.01)
Patent
CA 2070130
ABSTRACT It has been discovered that certain benzo- heterocyclic compounds are useful as direct dyes for coloring keratinaceous fibers, eg., human or other hair. The compounds of the invention conform to formula I: Image wherein: X and Y are independently selected from the group consisting of: hydrogen, C1-6 alkyl, C1-6 alkoxyalkyl, and C1-6 aminoalkyl, C1-6 hydroxyalkyl, and C1-6 hydroxyaminoalkyl; and m = 1,2, or 3. These compounds are novel dyes and are produced via chemical reactions such as those discussed above and set out in the examples.
Botta Nancy A.
Lim Mu-Ill
Bristol-Myers Squibb Company
Ridout & Maybee Llp
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