C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
C09B 57/00 (2006.01)
Patent
CA 2254412
A 2-Substituted-1-naphthol of the formula: (see formula I) wherein R1 is C1-C6 alkyl or monohydroxy C1-C6 alkyl couples with a primary intermediate of the formula: (see formula II) wherein R1 and R2 are each independently C1-C6 alkyl to produce an oxidative dye.
Anderson James S.
Lim Mu-Ill
Pan Yuh-Guo
Bristol-Myers Squibb Company
Mbm Intellectual Property Law Llp
P&g-Clairol Inc.
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