Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885402 | Process for preparing nonionic surfactants from glycerol monochlorohydrin, in an aromatic solvent medium, products obtained and compositions containing them | — | 1989-12-05 |
| 4880620 | Perfluorinated surface-active oligomers, process for their preparation and compositions containing these oligomers | Guy Vanlerberghe | 1989-11-14 |
| 4879107 | Foaming cosmetic compositions | Guy Vanlerberghe, Michele Lagoutte, Jean F. Grollier | 1989-11-07 |
| 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 |