PG

Paul D. A. Grammont

DS Diamond Shamrock: 3 patents #20 of 172Top 15%
Rohm And Haas: 2 patents #861 of 2,359Top 40%
📍 Chauny, FR: #3 of 43 inventorsTop 7%
Overall (All Time): #894,437 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4818773 Alkylaminophosphonic chelating resins, their preparation and use in purifying brines Michel A. G. Cornette, Jack Carbonel, Jacques E. A. Franc 1989-04-04
4579718 Apparatus for continuous production of polymer beads of controlled size Claude R. L. Vairetti, Michel R. L. Desnoyers, Jack Carbonel, Arkadyi B. Pachkov, Vladimir Grigoriev +1 more 1986-04-01
4424318 Continuous production of polymer beads of controlled size Claude R. L. Vairetti, Michel R. L. Desnoyers, Jack Carbonel, Arkadyi B. Pachkov, Vladimir Grigoriev +1 more 1984-01-03
4280003 Process for the preparation of high density anion exchange resins by bromination of crosslinked vinyltoluene copolymers Jean E. E. Herbin 1981-07-21
4246354 Process for bromination of resins based on crosslinked vinylaromatic copolymers Jean E. E. Herbin, Jean de Koker, Patrick J. B. Prsle, Marc S. A. Giuliani, Teddy E. A. Drode +1 more 1981-01-20
4225677 Process for the chloromethylation of polymers for the production of anionic exchange resins Jacques L. Boutier, Jean E. E. Herbin 1980-09-30