Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 4330291 | Nitrated coupler compounds useful in direct dyeing and simultaneous oxidation and direct dyeing of keratinic fibers | Ginette Jeanminet | 1982-05-18 |
| 4330292 | Dyeing compositions for keratin fibres containing meta-phenylenediamines | Jean J. Vandenbossche, Majdi M. Shahin, Gregoire Kalopissis | 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 |
| 4305717 | Metaphenylenediamines in dyeing compositions for keratinic fibers | Jean J. Vandenbossche | 1981-12-15 |
| 4295848 | Composition for hair dyeing which contains a para base and an ortho base | Jean F. Grollier, Patrick Andrillon, Chantal Fourcadier | 1981-10-20 |
| 4289495 | Oxidative dye compositions containing a 2,5-dihydroxyphenylalkanoic acid or salts thereof as antioxidant | Jean F. Grollier, Jean-Jacques Vandenboosche | 1981-09-15 |
| 4288622 | N,N-Dialkylamino diphenylamines and the use thereof in compositions for dyeing keratinic fibers | Gregoire Kalopissis, Francoise Estradier | 1981-09-08 |
| 4277244 | Dye compositions for keratinic fibers containing paraphenylenediamines | Patrick Andrillon | 1981-07-07 |
| 4268264 | Composition for hair dyeing which contains a para base and an ortho base | Jean F. Grollier, Patrick Andrillon, Chantal Fourcadier | 1981-05-19 |
| 4263213 | 2,4-Dihydroxy-4'-(substituted amino)-diphenylamines | Francoise Estradier | 1981-04-21 |
| 4260749 | Quaternary diaminobenzoquinones | Monique Laudon | 1981-04-07 |
| 4259261 | Metaphenylenediamines | Jean J. Vandenbossche | 1981-03-31 |
| 4248591 | Indoanilines, process for producing the same and keratinic fiber dye composition containing the same | Gregoire Kalopissis, Francoise Estradier | 1981-02-03 |
| 4246181 | Quinonediimine intermediates for indoanilines | Gregoire Kalopissis, Francoise Estradier | 1981-01-20 |
| 4233241 | Diphenylamines N-monosubstituted in the 4'-position and the use thereof in dye compositions for keratinic fibers | Gregoire Kalopissis, Francoise Estradier | 1980-11-11 |
| 4228259 | Water-soluble cationic polymer dye compounds and process for producing the same | Gregoire Kalopissis, Alexandre Zysmann, Henri Sebag, Guy Vanlerberghe, Jean-Louis Huron | 1980-10-14 |
| 4226784 | 2- and 5-Aminoalkylamino anthraquinone dyes useful as basic dyes in coloring hair | Gregoire Kalopissis | 1980-10-07 |
| 4222958 | 4,4'-Disubstituted diphenylamines and the use thereof in dye composition for keratinic fibers | Gregoire Kalopissis, Francoise Estradier | 1980-09-16 |
| 4221729 | Indoanilines | Gregoire Kalopissis, Francoise Estradier | 1980-09-09 |
| 4204059 | Diaminobenzoquinones | Monique Laudon | 1980-05-20 |