Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4228259 | Water-soluble cationic polymer dye compounds and process for producing the same | Gregoire Kalopissis, Alexandre Zysmann, Henri Sebag, Guy Vanlerberghe, Andree Bugaut | 1980-10-14 |