Inventor · disambiguated record
Paul D. A. Grammont
Also filed as: GRAMMONT PAUL D A
7 granted patents·119 citations·filing 1975–1984
86Inventor score
Top patents by PatentIndex Score
7 records- 0188US4002564ACation-exchange resins having cross-linked vinyl aromatic polymer matrix with attached amino alkylene phosphonic acid groups, their use, and preparationDIAMOND SHAMROCK CORP·Filed 1975·Granted Jan 11, 1977·42 cites·5 claims
- 0270US4225677AProcess for the chloromethylation of polymers for the production of anionic exchange resinsDIAMOND SHAMROCK CORP·Filed 1979·Granted Sep 30, 1980·17 cites·7 claims
- 0368US4818773AAlkylaminophosphonic chelating resins, their preparation and use in purifying brinesROHM & HAAS·Filed 1984·Granted Apr 4, 1989·22 cites·24 claims
- 0468US4424318AContinuous production of polymer beads of controlled sizeVAIRETTI CLAUDE R L·Filed 1981·Granted Jan 3, 1984·21 cites·15 claims
- 0544US4280003AProcess for the preparation of high density anion exchange resins by bromination of crosslinked vinyltoluene copolymersDIAMOND SHAMROCK CORP·Filed 1979·Granted Jul 21, 1981·5 cites·4 claims
- 0644US4246354AProcess for bromination of resins based on crosslinked vinylaromatic copolymersDIAMOND SHAMROCK CORP·Filed 1979·Granted Jan 20, 1981·7 cites·13 claims
- 0740US4579718AApparatus for continuous production of polymer beads of controlled sizeROHM & HAAS·Filed 1983·Granted Apr 1, 1986·5 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →