Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4818773 | Alkylaminophosphonic chelating resins, their preparation and use in purifying brines | Michel A. G. Cornette, Jack Carbonel, Paul D. A. Grammont | 1989-04-04 |
JF
Jacques E. A. Franc
Overall (1989): #100,788 of 140,708Top 75%
1
Patents 1989