C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
167/302
C07D 207/325 (2006.01)
Patent
CA 2011455
ABSTRACT OF THE DISCLOSURE The coloring of human hair and other keratinaceous substrates can be carried out efficiently using compositions containing certain N-aryl pyrroles as dye couplers or developers.
Bristol-Myers Squibb Company
Gowling Lafleur Henderson Llp
LandOfFree
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