Issued Patents All Time
Showing 51–75 of 97 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857525 | Quaternary ammonium retinoates, their use in cosmetics and in dermopharmacy | Michel Philippe, Didier S. Leger, Jean-Luc Leveque | 1989-08-15 |
| 4827003 | Hemiacetal compounds and the applications thereof | Guy Vanlerberghe, Alexandre Zysman | 1989-05-02 |
| 4820820 | Cationic surface-active compounds | Guy Vanlerberghe | 1989-04-11 |
| 4814166 | Polyanionic compounds, process for their preparation and compositions in which they are present | Guy Vanlerberghe | 1989-03-21 |
| 4787911 | Surface-active oligomers, a process for their preparation and compositions containing them | Guy Vanlerberghe | 1988-11-29 |
| 4788345 | Polyglycerol ethers and their use in cosmetics and in pharmacy | Guy Vanlerberghe | 1988-11-29 |
| 4778675 | Perfluorinated surface-active oligomers, process for their preparation and compositions containing these oligomers | Guy Vanlerberghe | 1988-10-18 |
| 4678665 | Polyanionic compounds derived from aromatic ethers of polyglycerols | Guy Vanlerberghe | 1987-07-07 |
| 4677232 | Process for the preparation of nonionic surface-active agents from glycerol monochlorohydrin, products obtained and a composition in which they are present | Guy Vanlerberghe | 1987-06-30 |
| 4668509 | Polythioalkanecarboxylic anionic products, theur use and preparation | Guy Vanlerberghe | 1987-05-26 |
| 4668664 | Bi- or tri-enic fatty esters of erythromycin A; pharmaceutical and cosmetic compositions containing them | Andr/e/ Rougier, Didier Dupuis, Michel Philippe, Didier S. Leger | 1987-05-26 |
| 4666711 | Non-ionic surface-active agents and compositions in which they are present | Guy Vanlerberghe | 1987-05-19 |
| 4657556 | Hair composition and method containing glycosylated polyethers | Guy Vanlerberghe | 1987-04-14 |
| 4656030 | Surface-active oligmers, a process for their preparation and compositions containing them | Guy Vanlerberghe | 1987-04-07 |
| 4620037 | Sequenced surfactant oligomers, process for preparing the same and compositions containing the same | Guy Vanlerberghe | 1986-10-28 |
| 4587321 | Polyquaternary polysiloxane polymers | Alexandre Zysman | 1986-05-06 |
| 4584196 | Perfluorinated surface-active oligomers and compositions for treating hair containing these oligomers | Guy Vanlerberghe | 1986-04-22 |
| 4533714 | Polyquaternary polysiloxane polymers | Alexandre Zysman | 1985-08-06 |
| 4533545 | Cosmetic compositions containing polyethylene glycol derivatives | — | 1985-08-06 |
| 4532125 | New surface-active statistical oligomers, a process for their preparation and compositions in which they are present | Guy Vanlerberghe | 1985-07-30 |
| 4523921 | Surface-active polysiloxanes | Guy Vanlerberghe | 1985-06-18 |
| 4515775 | Polyhydroxyl non-ionic surfactant, process for preparing the same and cosmetic composition containing the same | Guy Vanlerberghe | 1985-05-07 |
| 4499070 | Tensio-active polypod compounds, process for preparing them and compositions containing them | Guy Vanlerberghe | 1985-02-12 |
| 4491534 | Sequenced surfactant oligomers, process for preparing the same and compositions containing the same | Guy Vanlerberghe | 1985-01-01 |
| 4490356 | Surface-active polysiloxanes | Guy Vanlerberghe | 1984-12-25 |