Hair dye compositions containing 2,3 dialkyl-4-aminophenol...

C - Chemistry – Metallurgy – 09 – B

Patent

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C09B 57/00 (2006.01)

Patent

CA 2254408

A 2-Substituted-1-naphthol of the formula: (SEE FORMULA I) wherein R3 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.

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