Inventor · disambiguated record
Marshall T. Purvis
Also filed as: PURVIS MARSHALL T
4 granted patents·47 citations·filing 1974–1979
77Inventor score
Files withROHM & HAAS4
Top patents by PatentIndex Score
4 records- 0170US3983296AModifiers for PVC foam, process for extruding modified PVC foam and modified PVC foam compositionsROHM & HAAS·Filed 1974·Granted Sep 28, 1976·13 cites·2 claims
- 0268US4120833AModifiers for PVC foam, process for extruding modified PVC foam and modified PVC foam compositionsROHM & HAAS·Filed 1976·Granted Oct 17, 1978·19 cites·21 claims
- 0356US4230833ASingle stage continuous graft polymerization process and productROHM & HAAS·Filed 1979·Granted Oct 28, 1980·9 cites·15 claims
- 0438US4070426AAcrylic modified foamed nylon product and processROHM & HAAS·Filed 1977·Granted Jan 24, 1978·6 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →