Inventor
GRAMMONT PAUL D A
7 patents
⚠️ This page may combine multiple inventors who share the name “GRAMMONT PAUL D A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DIAMOND SHAMROCK CORP
4 patentsUS4002564AJan 11, 1977
Cation-exchange resins having cross-linked vinyl aromatic polymer matrix with attached amino alkylene phosphonic acid groups, their use, and preparation
DIAMOND SHAMROCK CORP42 citations89
US4225677ASep 30, 1980
Process for the chloromethylation of polymers for the production of anionic exchange resins
DIAMOND SHAMROCK CORP17 citations69
US4246354AJan 20, 1981
Process for bromination of resins based on crosslinked vinylaromatic copolymers
DIAMOND SHAMROCK CORP7 citations62
US4280003AJul 21, 1981
Process for the preparation of high density anion exchange resins by bromination of crosslinked vinyltoluene copolymers
DIAMOND SHAMROCK CORP5 citations59