Issued Patents All Time
Showing 26–50 of 105 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5534036 | Keratinous fiber dyeing methods and compositions which contain sulfated methaphenylenediamine couplers in combination with oxidation dye precursors | Alain Lagrange, Alain Genet | 1996-07-09 |
| 5516942 | Hydroxyethylated 2-nitro-p-phenylenediamines and use thereof for dyeing keratin fibers | Alain Lagrange, Alain Genet, Jean Cotteret | 1996-05-14 |
| 5516507 | Dermatological glutathione alkyl ester composition and a process for topical treatment | Quang L. N'Guyen, Christian Colin, Albert Lindenbaum, Catherine Loufrani | 1996-05-14 |
| 5508464 | Process for the preparation of 5,6-dihydroxyindole and intermediate compounds | Jean J. Vandenbossche, Gerard Lang | 1996-04-16 |
| 5503640 | 3-substituted para-aminophenols, process for preparing them, their use for dyeing keratinous fibres and the intermediate compounds used in the preparation process | Alain Genet, Gerard Lang | 1996-04-02 |
| 5498746 | Process for the preparation of 5,6-dihydroxyindole and intermediate compounds | Jean J. Vandenbossche, Gerard Lang | 1996-03-12 |
| 5496543 | Product based on inorganic or organic particles bearing an indoline-based product | Alain Lagrange, Herve/ Andrean | 1996-03-05 |
| 5478359 | Process for dyeing keratinous fibers and compositions containing sulfur-containing meta-aminophenses | Alain Lagrange, Alain Genet | 1995-12-26 |
| 5466878 | Reducing composition for the permanent deformation of hair containing as a reducing agent, an amino mercaptoalkylamide or a salt thereof | Gerard Malle | 1995-11-14 |
| 5451236 | Sulfated metaaminophenols and applications thereof, particularly in dyeing | Alain Lagrange, Alain Genet | 1995-09-19 |
| 5449805 | Intermediates for preparing alkylamino mercaptoalkylamides | Gerard Malle, Bernadette Luppi | 1995-09-12 |
| 5449518 | Utilization of derivatives of 2,5-dihydroxyphenyl-carboxylic acids, their homologs, and their salts in preparation of a cosmetic or dermatological composition with a depigmenting action | Alain Lagrange, Quang L. N'Guyen, Marie-Alix Bourboulon | 1995-09-12 |
| 5449403 | Product based on colored inorganic particles including a melanin pigment, process for its preparation and its use in cosmetics | Herve Andrean, Jean-Pierre Arraudeau | 1995-09-12 |
| 5443596 | Keratinous fiber dyeing compositions and processes utilizing oxidation dye precursors in combination with dimethoxy meta-aminophenol couplers | Nicole Bonaventure, Alain Lagrange | 1995-08-22 |
| 5410067 | Process for the preparation of 5,6-dihydroxyindole and intermediate compounds | Jean J. Vandenbossche, Gerard Lang | 1995-04-25 |
| 5364413 | 3-substituted para-aminophenols, process for preparing them, their use for dyeing keratinous fibres and the intermediate compounds used in the preparation process | Alain Genet, Gerard Lang | 1994-11-15 |
| 5364414 | Tinctorial composition for keratinous fibres containing oxidation dye precursors and aminoindole couplers, methods for dyeing using these compositions and new compounds | Gerard Lang, Jean Cotteret, Jean J. Vandenbossche | 1994-11-15 |
| 5354870 | Indole derivatives for dyeing keratin materials | Gerard Lang, Serge Forestier, Herve Richard, Jean J. Vandenbossche | 1994-10-11 |
| 5334377 | Alkylamino mercaptoalkylamides and their use as a reducing agent in a process for the permanent deformation of hair | Gerard Malle, Bernadette Luppi | 1994-08-02 |
| 5279620 | Tinctorial compositions for keratin fibres containing precursors of oxidation colorants and indole couplers, and dyeing processes using these compositions | Gerard Lang | 1994-01-18 |
| 5254135 | Methods for dyeing keratinous fibres with aminoindoles, compositions and devices for use | Gerard Lang, Jean Cotteret | 1993-10-19 |
| 5252323 | s-Triazine compounds substituted by benzylidenecamphor substituents and cosmetic compositions containing the s-triazine compounds | Herve Richard, Madeleine Leduc | 1993-10-12 |
| 5244497 | Process for the preparation of a melanic pigment by an enzyme route and its use in cosmetics | Herve Andrean, Remi Tuloup, Irwing J. Higgins | 1993-09-14 |
| 5236698 | S-triazine derivatives carrying benzalmalonate substituents, and cosmetic UV screening compositions | Herve Richard, Madeleine Leduc | 1993-08-17 |
| 5226924 | 1,4-di(mono- or poly) hydroxyalkylamino-9,10-anthraquinones for dyeing human keratinous fibres, cosmetic composition containing them in combination with azo and nitrobenzene dyes, and hair-dyeing process using them | Alain Genet | 1993-07-13 |