Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7591860 | N-alkylpolyhydroxylated secondary para-phenylenediamines, dye compositions comprising them, processes, and uses thereof | Stéphane Sabelle, Christian Blaise, Philippe Breton | 2009-09-22 |
| 7435267 | Secondary para-phenylenediamines bearing an alkoxy group, dye composition comprising them, processes therefor and uses thereof | Stéphane Sabelle | 2008-10-14 |
| 6673122 | Compositions for dyeing keratin fibers containing para-aminophenols, dyeing process, novel para-aminophenols and process for their preparation | Alain Lagrange | 2004-01-06 |
| 6605124 | Cationic couplers and their use for oxidation dyeing | Laurent Vidal, Jean-Baptiste Saunier, Alain Lagrange | 2003-08-12 |
| 6475247 | Naphthalene cationic coupler for oxidation dyeing of keratin fiber | Alain Lagrange | 2002-11-05 |
| 6391062 | Use of cationic fused polycyclic compounds for dyeing keratin substances, dye compositions and dyeing processes | Alain Lagrange | 2002-05-21 |
| 6203580 | Compositions for dyeing keratin fibers containing para-aminophenols, dyeing process, and para -aminophenols | Alain Lagrange | 2001-03-20 |
| 6090160 | Method for dyeing keratin fibers with compositions which contain 6- or 7-hydroxyindole derivatives as couplers and oxidation dye precursors | Alex Junino, Herve Richard, Jean Cotteret | 2000-07-18 |
| 6027538 | Compositions for dyeing keratinous fibers comprising indazoleamine derivatives and dyeing process | Alain Lagrange | 2000-02-22 |
| 5609649 | Tinctorial composition for keratinous fibers containing oxidation dye precursors and couplers derived from 4-hydroxyindole, and dyeing method using them | Alex Junino, Herve Richard, Jean Cotteret | 1997-03-11 |
| 5578735 | Process for the preparation of indole compounds from N-protected indolines | Herve Borowiak, Alain Lagrange | 1996-11-26 |
| 5536865 | Process for the preparation of 5,6-dihydroxyindole and intermediate compounds | Alex Junino, Gerard Lang | 1996-07-16 |
| 5508464 | Process for the preparation of 5,6-dihydroxyindole and intermediate compounds | Alex Junino, Gerard Lang | 1996-04-16 |
| 5498746 | Process for the preparation of 5,6-dihydroxyindole and intermediate compounds | Alex Junino, Gerard Lang | 1996-03-12 |
| 5410067 | Process for the preparation of 5,6-dihydroxyindole and intermediate compounds | Alex Junino, Gerard Lang | 1995-04-25 |
| 5364414 | Tinctorial composition for keratinous fibres containing oxidation dye precursors and aminoindole couplers, methods for dyeing using these compositions and new compounds | Gerard Lang, Alex Junino, Jean Cotteret | 1994-11-15 |
| 5354870 | Indole derivatives for dyeing keratin materials | Gerard Lang, Serge Forestier, Alex Junino, Herve Richard | 1994-10-11 |
| RE34300 | 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 compositions | Alex Junino, Herve Borowiak, Gerard Lang | 1993-07-06 |
| 5034015 | Process for dyeing keratin fibres with a monohydroxyindole associated with an iodide and hydrogen peroxide | Alex Junino, Gerard Lang | 1991-07-23 |
| 5015772 | 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 | Alex Junino, Herve Borowiak, Gerard Lang | 1991-05-14 |
| 5002585 | 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 | Alex Junino, Herve Borowiak, Gerard Lang | 1991-03-26 |
| 4960432 | 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 | Alex Junino, Herve Borowiak, Gerard Lang | 1990-10-02 |
| 4891045 | 2,4-Diamino-1,3,5-trimethoxybenzene, process for its preparation and its use as a coupler in oxidation dyes for keratinous fibres | Alex Junino, Herve Borowiak, Gerard Lang | 1990-01-02 |
| 4865619 | 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 | Alex Junino, Herve Borowiak, Gerard Lang | 1989-09-12 |
| 4865618 | 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 | Alex Junino, Herve Borowiak, Gerard Lang | 1989-09-12 |