Inventor · disambiguated record
David H. Clemens
Also filed as: CLEMENS DAVID H · CLEMENS DAVID HENRY
9 granted patents·134 citations·filing 1973–1988
88Inventor score
Files withROHM & HAAS9
Top patents by PatentIndex Score
9 records- 0189US3991017AIon exchange resins derived from hybrid copolymersROHM & HAAS·Filed 1974·Granted Nov 9, 1976·35 cites·14 claims
- 0287US4087357ADesalination process using thermally regenerable resinsROHM & HAAS·Filed 1974·Granted May 2, 1978·29 cites·17 claims
- 0382US4152496AHybrid copolymersROHM & HAAS·Filed 1978·Granted May 1, 1979·26 cites·11 claims
- 0479US3966489AMethod of decolorizing sugar solutions with hybrid ion exchange resinsROHM & HAAS·Filed 1973·Granted Jun 29, 1976·21 cites·4 claims
- 0554US4140659APreparation, polymerization and use of new bis-vinylbenzyl nitrogenous monomersROHM & HAAS·Filed 1977·Granted Feb 20, 1979·9 cites·25 claims
- 0642US4137264APreparation, polymerization, and use of new bis-vinylbenzyl nitrogenous monomersROHM & HAAS·Filed 1977·Granted Jan 30, 1979·8 cites·4 claims
- 0733US4886606AMethod of purifying condensate waters for steam regenerating equipmentROHM & HAAS·Filed 1988·Granted Dec 12, 1989·3 cites·1 claims
- 0831US4248797APreparation, polymerization, and use of new bis-vinylbenzyl nitrogenous monomersROHM & HAAS·Filed 1978·Granted Feb 3, 1981·2 cites·3 claims
- 0923US3944507AMethod of preparing resins containing sulfonic acid functionality involving oxidation of thiouronium salts with hydrogen peroxideROHM & HAAS·Filed 1975·Granted Mar 16, 1976·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →