Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4678519 | Method of zinc phosphatization, activation and refining bath used in said method and corresponding concentrate | Victor Ken, Denis Thery, Stephane Jelodin | 1987-07-07 |
| 4670066 | Process for the treatment by chemical conversion of substrates of zinc or of one of its alloys, concentrate and bath used for performing this process | Victor Ken, Francois-Joseph Duboys, Patrick Regnard | 1987-06-02 |
| 4668307 | Bath and process for the chemical conversion of metal substrates with zinc | Victor Ken, Christian Hoessler, Louis Cot, Jean-Henri Durand, Patrice Pelletier | 1987-05-26 |
| 4666613 | Process and agents for controlling the swelling of clays in the presence of sea-water and clay-based muds | Jacques Vincent, Daniel Chaillou, Jacques Schild | 1987-05-19 |
| 4497666 | Process for the treatment of phosphatized metal surfaces with a composition comprising trivalent titanium | Victor Ken, Jean-Loup Dauptain | 1985-02-05 |
| 4374039 | Anticlumping products and treatments based on amin salts | Jacques Ruel, Jean-Claude Cheminaud, Robert Sadlo, Robert F. Christian | 1983-02-15 |
| 4311536 | Processes of phosphating surfaces of iron and of steel with manganese | Victor Ken, Jean-Claude Masson, Francois-Joseph Duboys | 1982-01-19 |