Patent Interference No. 103,548
APPENDIX 3
Claims 1-26, 29-34 of Lagrange Application 08/676,491 for Reissue of
Lagrange Patent 5,178,637 (we have bracketted those portions deleted from the
patent claims and shaded those portions that have been inserted):
1. A tinctorial composition useful for dyeing keratinous fibres, in particular
human keratinous fibers, comprising from 0.01 to 8% by weight, relative to the
total weight of the composition, of at least one 5,6-dihydroxyindoline
corresponding to the formula (I):
HO
CH2
CH2 (I)
HO N
R
in which R represents [a hydrogen atom or a C1-C4] C2-C4 alkyl group, or an
acid addition salt thereof in a medium suitable for dyeing.
2. A composition according to claim 1, wherein the 5,6-dihydroxyindoline is
present in the composition in proportions of between 0.03 and 5% by weight
relative to the total weight of the composition.
3. A composition according to claim 1, wherein the medium suitable for
dyeing is an aqueous medium of water or a water/solvent mixture.
4. A composition according to claim 3, wherein the solvent is ethyl alcohol,
propyl alcohol, isopropyl alcohol, tert-butyl alcohol, ethylene glycol, ethylene
glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol
monobutyl ether, ethylene glycol monoethyl ether acetate, propylene glycol,
propylene glycol monomethyl ether, dipropylene glycol monomethyl ether or
methyl lactate.
5. A composition according to claim 1, wherein the composition contains
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Last modified: November 3, 2007