Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4695653 | Cationic surface-active agents | Guy Vanlerberghe | 1987-09-22 |
| 4675130 | Process for producing indoanilines and keratin fiber dye composition containing the same | Andree Bugaut, Francoise Estradier | 1987-06-23 |
| 4545978 | Hair-dyeing process involving protection of the scalp | Jacqueline Gallien, Bernard Jacquet, Daniel Bauer, Jean Phillipe Chalaye | 1985-10-08 |
| 4436909 | Cationic surface-active agents | Guy Vanlerberghe | 1984-03-13 |
| 4402698 | Hair-dyeing process involving protection of the scalp | Jacqueline Gallien, Bernard Jacquet, Daniel Bauer, Jean Phillipe Chalaye | 1983-09-06 |
| 4394520 | 5-Ureido-3-thia hexanedioic acid | — | 1983-07-19 |
| 4361516 | N-Monosubstituted indoanilines | Andree Bugaut, Francoise Estradier | 1982-11-30 |
| 4333730 | Meta-phenylenediamines, dyeing compositions in which they are present and the corresponding dyeing process | Andree Bugaut, Majdi M. Shahin, Jean J. Vandenbossche | 1982-06-08 |
| 4330292 | Dyeing compositions for keratin fibres containing meta-phenylenediamines | Andree Bugaut, Jean J. Vandenbossche, Majdi M. Shahin | 1982-05-18 |
| 4315912 | Cationic surfactants | Guy Vanlerberghe, Henri Sebag | 1982-02-16 |
| 4288622 | N,N-Dialkylamino diphenylamines and the use thereof in compositions for dyeing keratinic fibers | Andree Bugaut, Francoise Estradier | 1981-09-08 |
| 4248591 | Indoanilines, process for producing the same and keratinic fiber dye composition containing the same | Andree Bugaut, Francoise Estradier | 1981-02-03 |
| 4246181 | Quinonediimine intermediates for indoanilines | Andree Bugaut, Francoise Estradier | 1981-01-20 |
| 4233241 | Diphenylamines N-monosubstituted in the 4'-position and the use thereof in dye compositions for keratinic fibers | Andree Bugaut, Francoise Estradier | 1980-11-11 |
| 4228259 | Water-soluble cationic polymer dye compounds and process for producing the same | Alexandre Zysmann, Henri Sebag, Guy Vanlerberghe, Jean-Louis Huron, Andree Bugaut | 1980-10-14 |
| 4226784 | 2- and 5-Aminoalkylamino anthraquinone dyes useful as basic dyes in coloring hair | Andree Bugaut | 1980-10-07 |
| 4222958 | 4,4'-Disubstituted diphenylamines and the use thereof in dye composition for keratinic fibers | Andree Bugaut, Francoise Estradier | 1980-09-16 |
| 4221729 | Indoanilines | Andree Bugaut, Francoise Estradier | 1980-09-09 |
| 4220602 | Cationic surface-active agents | Guy Vanlerberghe | 1980-09-02 |
| 4204064 | Sulfur containing heterocyclic amino acid derivatives | — | 1980-05-20 |
| 4200432 | Dye composition containing oxidation dye and diphenylamine | Andree Bugaut, Francoise Estradier | 1980-04-29 |