Issued Patents 1982
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4361516 | N-Monosubstituted indoanilines | Gregoire Kalopissis, Francoise Estradier | 1982-11-30 |
| 4361421 | Hair-dyeing compositions based on para-phenylenediamines | Ginette Jeanminet | 1982-11-30 |
| 4337061 | Hair dye compositions and new compounds useful therein | Patrick Andrillon | 1982-06-29 |
| 4333730 | Meta-phenylenediamines, dyeing compositions in which they are present and the corresponding dyeing process | Majdi M. Shahin, Jean J. Vandenbossche, Gregoire Kalopissis | 1982-06-08 |
| 4330292 | Dyeing compositions for keratin fibres containing meta-phenylenediamines | Jean J. Vandenbossche, Majdi M. Shahin, Gregoire Kalopissis | 1982-05-18 |
| 4330291 | Nitrated coupler compounds useful in direct dyeing and simultaneous oxidation and direct dyeing of keratinic fibers | Ginette Jeanminet | 1982-05-18 |
| 4329504 | Metaphenylenediamines | Jean J. Vandenbossche | 1982-05-11 |
| 4324553 | Hair dyeing compositions containing at least one 2,4-diamino-alkylbenzene as coupler | Alex Junino | 1982-04-13 |
| 4323360 | Dyeing compositions for hair which contain 2,4-diamino-butoxybenzene and/or a salt thereof as the coupling agent | Alex Junino | 1982-04-06 |
| 4311478 | Paraphenylenediamines substituted at position 2 of the benzene ring | Alain Genet, Koovi G. Dossou | 1982-01-19 |