Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5156824 | Application of diphosphonic derivatives to cation exchange, new diphosphonic derivatives and production process therefor | Pierre Blanquet | 1992-10-20 |
| 4774262 | Application of diphosphonic derivatives to cation exchange, new diphosphonic derivatives, and production process therefor | Pierre Blanquet | 1988-09-27 |