Inventor · Doylestown, PA, US

David R. Amick

23Patents
9h-index
24Co-inventors
75Inventor score

Filing activity: Jul 24, 1978 → Jul 10, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US4711725A Method of stabilizing aqueous systems Chemistry; Metallurgy 90 Expired
US4797223A Water soluble polymers for detergent compositions Chemistry; Metallurgy 48 Expired
US5247040A Graft copolymers prepared by two staged aqueous emulsion polymerization Chemistry; Metallurgy 45 Expired
US6337366B1 Method of improving viscosity stability of aqueous compositions Chemistry; Metallurgy 22 Expired
US4552752A Microbiocidal article for aqueous systems Human Necessities 21 Expired
US5118681A S-beta-dicarbonyl substituted beta-thioacrylamide biocides and fungicides Chemistry; Metallurgy 12 Expired
US4824957A Stabilization of non-aqueous solutions of 3-isothiazolones Human Necessities 12 Expired
US4455402A (Meth)acrylate film-forming polymers prepared with an in process coalescent Chemistry; Metallurgy 10 Expired
US4192920A Uniform polymer beads and ion exchange resins therefrom prepared by post-crosslinking of lightly crosslinked beads Chemistry; Metallurgy 9 Expired
US5908877A Water-dispersible powder composition for water-resistant coatings Emerging Cross-Sectional Technologies 9 Expired
US4273878A Polyamine-crosslinked anion exchange resin Emerging Cross-Sectional Technologies 9 Expired
US4505889A Protracted release microbiocidal article for aqueous systems Human Necessities 8 Expired
US4177331A Sulfone-crosslinked polystyrene ion exchange resin and process of manufacture Emerging Cross-Sectional Technologies 8 Expired
US5314977A Graft copolymers prepared by two staged aqueous emulsion polymerization Chemistry; Metallurgy 8 Expired
US4191814A Polyamine-crosslinked anion exchange resin Emerging Cross-Sectional Technologies 7 Expired
US7091275B1 Aqueous polymeric composition containing polymeric nanoparticles and treatments prepared therefrom Chemistry; Metallurgy 7 Expired
US5151447A S-substituted beta-thioacrylamide biocides and fungicides Chemistry; Metallurgy 6 Expired
US6437020B1 Polymer stabilization Chemistry; Metallurgy 6 Expired
US5023275A S-substituted beta-thioacrylamide biocides and fungicides Chemistry; Metallurgy 6 Expired
US7078457B2 Polymer composition and process for the preparation thereof Chemistry; Metallurgy 5 Expired
US7244784B2 Aqueous nanoparticle dispersions Chemistry; Metallurgy 5 Expired
US4656057A Microbiocidal article for aqueous systems Human Necessities 2 Expired
USRE34185E Stabilization of non-aqueous solutions of 3-isothiazolones General 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.