Patent Interference No. 103,548
23. A multicompartment device or "dyeing kit", comprising different
compartments containing different components of the dyeing agent defined in
claim 22.
24. A composition according to claim 1, wherein the salt is the
hydrochloride or hydrobromide.
25. A composition according to claim 1, wherein 5,6-dihydroxyindoline is 5,6-
dihydroxyindoline, 5,6-dihydroxyindoline hydrochloride, 5,6-dihydroxyindoline
hydrobromide, N-ethyl-5,6-dihydroxyindoline, N-methyl-5,6-dihydroxyindoline or
N-butyl-5,6-dihydroxyindoline.
26. A method according to claim 21, wherein the hydrogen peroxide
content in the composition is between 2 and 10 volumes.
27. A tinctorial composition according to claim 1, wherein the
5,6-dihydroxyindoline is 5,6-dihydroxyindoline hydrochloride, an
N-(C2-C4)alkyl-5,6-dihydroxyindoline or a salt of the latter.
28. New compound consisting of 5,6-dihydroxyindoline hydrobromide.
29. New compounds consisting of N-(C2-C4)alkyl-5,6-dihydroxyindolines and
their salts.
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Last modified: November 3, 2007