Issued Patents All Time
Showing 26–50 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5792221 | Hydroxypropylated 2-nitro-p-phenylenediamines, and compositions for dyeing keratinous fibers which contain hydroxypropylated 2-nitro-p-phenylenediamines | Alain Lagrange, Alex Junino, Jean Cotteret | 1998-08-11 |
| 5735910 | 2-nitro-paraphenylenediamines substituted by sulphur in the 5-position, the process for their preparation, dyeing compositions in which they are present and their use in the dyeing of keratin fibres | Alain Lagrange | 1998-04-07 |
| 5710311 | 2-sulphured metaphenylenediamines for dyeing hair | Alex Junino, Alain Lagrange | 1998-01-20 |
| 5672759 | Dye composition for keratinic fibres containing sulfured metaphenylenediamines, dyeing process and new sulfured metaphenylenediamines and preparation method thereof | Alex Junino, Alain Lagrange | 1997-09-30 |
| 5616809 | Sulfated metaaminophenol compounds | Alex Junino, Alain Lagrange | 1997-04-01 |
| 5542952 | Dye composition containing sulphur-containing p-phenylenediamines and corresponding dyeing processes, novel sulphur-containing p-phenylenediamines and process for the preparation thereof | Alain Lagrance | 1996-08-06 |
| 5534036 | Keratinous fiber dyeing methods and compositions which contain sulfated methaphenylenediamine couplers in combination with oxidation dye precursors | Alex Junino, Alain Lagrange | 1996-07-09 |
| 5534037 | Dye composition for keratinic fibres containing sulfured metaphenylenediamines, dyeing process and new sulfured metaphenylenediamines and preparation method thereof | Alex Junino, Alain Lagrange | 1996-07-09 |
| 5516942 | Hydroxyethylated 2-nitro-p-phenylenediamines and use thereof for dyeing keratin fibers | Alain Lagrange, Alex Junino, Jean Cotteret | 1996-05-14 |
| 5505741 | Processes for dyeing of keratinous fibers with compositions which contain 2-sulfurated metaphenylenediamines in combination with oxidation dye precursors | Alex Junio, Alain Lagrange | 1996-04-09 |
| 5503640 | 3-substituted para-aminophenols, process for preparing them, their use for dyeing keratinous fibres and the intermediate compounds used in the preparation process | Alex Junino, Gerard Lang | 1996-04-02 |
| 5478359 | Process for dyeing keratinous fibers and compositions containing sulfur-containing meta-aminophenses | Alain Lagrange, Alex Junino | 1995-12-26 |
| 5451236 | Sulfated metaaminophenols and applications thereof, particularly in dyeing | Alex Junino, Alain Lagrange | 1995-09-19 |
| 5364413 | 3-substituted para-aminophenols, process for preparing them, their use for dyeing keratinous fibres and the intermediate compounds used in the preparation process | Alex Junino, Gerard Lang | 1994-11-15 |
| 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 | Alex Junino | 1993-07-13 |
| 5202487 | 2-substituted para-aminophenols and their use for dyeing keratinous fibres | Alex Junino, Gerard Lang | 1993-04-13 |
| 5114429 | Aliphatic alpha, omega-diamine compounds and their use in hair dyeing | Alex Junino, Gerard Lang | 1992-05-19 |
| 5084067 | 3-substituted para-amino phenols and their use as oxidation dye precursors in compositions for dyeing kerafinous fibers | Alex Junino, Gerard Lang | 1992-01-28 |
| 5053052 | 2-substituted para-aminophenols and their use for dyeing keratinous fibres | Alex Junino, Gerard Lang | 1991-10-01 |
| 5032137 | P-phenylenediamines, process for preparation thereof, dyeing compositions containing them and corresponding dyeing process | Alex Junino, Gerard Lang | 1991-07-16 |
| 5015769 | 3-amino-4-nitrophenols, the process for preparation thereof and their use in dyeing keratinous fibers, and new intermediate 4,5-dinitrophenols | Alex Junino, Gerard Lang | 1991-05-14 |
| 4981486 | Nitro benzene dye, the process for preparation thereof and its use in dyeing keratinous fibres | Jean F. Grollier, Jean Cotteret, Alex Junino | 1991-01-01 |
| 4979961 | p-phenylenediamines, process for preparation thereof, dyeing composition containing them and corresponding dyeing process | Alex Junino, Gerard Lang | 1990-12-25 |
| 4904276 | Nitroaminophenols, the process for preparation thereof and their use in dyeing keratinous fibres, and new intermediate nitroaminobenzenes and their use in dyeing keratinous fibres | Alex Junino, Gerard Lang | 1990-02-27 |
| 4888025 | Compounds which can be used for hair dyeing, process for their preparation, dyeing compositions in which they are present and corresponding hair-dyeing process | Andree Bugaut | 1989-12-19 |