Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868228 | Grinding agent based upon neutralized acrylic polymers and/or copolymers for aqueous suspensions of coarse mineral materials for pigments applications | Georges Ravet, Jacky Rousset | 1989-09-19 |
| 4840985 | Grinding agent based and/or copolymers for aqueous suspension of coarse mineral materials for pigment applications | Georges Ravet, Jacky Rousset | 1989-06-20 |
| 4775420 | Complex pigment compositions for coating of paper | Jean Vallas | 1988-10-04 |
| 4687789 | Water soluble dispersant for water-based pigment compounds comprising a terpolymer of acrylic acid methacrylic acid and itaconic acid | Jacky Rousset | 1987-08-18 |