Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9657442 | Aqueous glyoxyl-based insolubilizer composition for the surface treatment of paper and cardboard | — | 2017-05-23 |
| 8419850 | Aqueous composition containing a carbonate of zirconium and of an alkaline metal salt, and an ammonium halide, as well as its use thereof | — | 2013-04-16 |
| 5395440 | Compositions for the treatment of paper and/or cardboard surfaces and their use in the paper industry | — | 1995-03-07 |
| 5340441 | Cationic copolymers which are insoluble in water, new dispersions and their use in the coatings of papers | Michel Richard, Paul Mallo, Jean Yves Anquetil | 1994-08-23 |
| 5266162 | Process for coating papers and its use in flexographic printing | Michel Richard | 1993-11-30 |
| 5262238 | Cationic copolymers which are insoluble in water, new dispensions and their use in the coating of papers | Michel Richard, Paul Mallo, Jean Yves Anquetil | 1993-11-16 |
| 5229168 | Process for coating papers and its use in flexographic printing | Michel Richard | 1993-07-20 |
| 5225041 | Refining process for paper pulp using a silica sol | Michel Richard, Christian Roux | 1993-07-06 |
| 5219619 | Coating process for papers and cardboards and its use for obtaining paper which has a good smoothness | Michel Richard, Jean Cabestany | 1993-06-15 |
| 4581402 | Novel stable water in oil dispersions of hydrosoluble cationic polymers based on salified or quaternized dimethylaminoethyl acrylate, process of preparation thereof and application thereof as flocculents | William F. Dunk, Jean Cabestany | 1986-04-08 |
| 4481116 | Cationic aminoplastic resin, preparation process and application thereof to water treatment | Jean Cabestany | 1984-11-06 |
| 4396752 | Strong cationic polyelectrolytes in powder form based on acrylamide and quaternized or salified dimethylaminoethyl acrylate for flocculation of solid material suspensions and coalescence of emulsions | Jean Cabestany, Dominique Depernet | 1983-08-02 |
| 4319013 | Powdered cationic polyelectrolytes, based on acrylamide and quaternized or salified dimethyl-aminoethyl acrylate, process for producing them | Jean Cabestany, Dominique Depernet | 1982-03-09 |