Inventor
VANDENBOSSCHE JEAN J
FR15 patents
Patents
15 patentsUS5364414ANov 15, 1994
Tinctorial composition for keratinous fibres containing oxidation dye precursors and aminoindole couplers, methods for dyeing using these compositions and new compounds
OREAL100 citations96
US5609649AMar 11, 1997
Tinctorial composition for keratinous fibers containing oxidation dye precursors and couplers derived from 4-hydroxyindole, and dyeing method using them
OREAL24 citations92
US4865619ASep 12, 1989
Use, as a coupler, of 2,4-diamino-1,3-dimethoxybenzene or one of its salts, in combination with oxidation dye precursors, for dyeing human hair, hair dyeing composition containing the said coupler and process for preparing the said coupler
OREAL24 citations92
US4960432AOct 2, 1990
Meta-phenylenediamines, process for preparation thereof, intermediate compounds and use of these meta-phenylenediamines as couplers for the oxidation dyeing of keratinous fibres and especially human hair
OREAL18 citations81
US5354870AOct 11, 1994
Indole derivatives for dyeing keratin materials
OREAL9 citations74
US5034015AJul 23, 1991
Process for dyeing keratin fibres with a monohydroxyindole associated with an iodide and hydrogen peroxide
OREAL14 citations74
US5002585AMar 26, 1991
Trialkoxy-substituted meta-phenylenediamines, a process for their preparation, and their use as couplers for the oxidation dyeing of keratinous fibres and in particular of human hair
OREAL7 citations73
US4891045AJan 2, 1990
2,4-Diamino-1,3,5-trimethoxybenzene, process for its preparation and its use as a coupler in oxidation dyes for keratinous fibres
OREAL6 citations73
US4865618ASep 12, 1989
New chloro-meta-phenylenediamines, their use as couplers in the oxidation dyeing of keratinous fibres, dyeing compositions for hair containing these compounds and dyeing process using the said
OREAL12 citations73
US5508464AApr 16, 1996
Process for the preparation of 5,6-dihydroxyindole and intermediate compounds
OREAL1 citations63
US5410067AApr 25, 1995
Process for the preparation of 5,6-dihydroxyindole and intermediate compounds
OREAL2 citations63
US5015772AMay 14, 1991
Meta-phenylenediamines, process for preparation thereof, intermediate compounds and use of these meta-phenylenediamines as couplers for the oxidation dyeing of keratinous fibres and especially human hair
OREAL3 citations62
US5536865AJul 16, 1996
Process for the preparation of 5,6-dihydroxyindole and intermediate compounds
OREAL0 citations52
US5498746AMar 12, 1996
Process for the preparation of 5,6-dihydroxyindole and intermediate compounds
OREAL0 citations52
US5578735ANov 26, 1996
Process for the preparation of indole compounds from N-protected indolines
OREAL1 citations51