John A. Simms
29Patents
10h-index
12Co-inventors
72Inventor score
Filing activity: Dec 31, 1975 → Apr 7, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5286782A | Coating composition of an acrylic polymer, polyol and polyisocyanate crosslinking agent | Chemistry; Metallurgy | 53 | Expired |
| US4076766A | Flexible thermosetting acrylic enamels | Emerging Cross-Sectional Technologies | 34 | Expired |
| US5003004A | Tough flexible polymer blends | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5424364A | Comb pigment dispersants | Chemistry; Metallurgy | 22 | Expired |
| US4771117A | Polymerization of acrylic esters | Chemistry; Metallurgy | 20 | Expired |
| US6037414A | Polymeric pigment dispersant having an acrylic backbone, polyester side chains, cyclic imide groups and quaternary ammonium groups | Chemistry; Metallurgy | 20 | Expired |
| US4632964A | Flexible finishes from branched aliphatic polyester urethanes and a melamine crosslinker | Chemistry; Metallurgy | 19 | Expired |
| US5159047A | Coatings containing caprolactone oligomer polyols | Chemistry; Metallurgy | 18 | Expired |
| US4222909A | Coating compositions comprising isocyanate-functional polymers containing a terminal thioalkyl group | Chemistry; Metallurgy | 13 | Expired |
| US6506899B1 | Pigment dispersants formed by reacting an isocyanate with a poly (ethylene glycol) alkyl ether, a polyester or polyester or polyacrylate and a diamine | Chemistry; Metallurgy | 11 | Expired |
| US4351755A | Isocyanate-functional polymers containing a terminal monosulfide group | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6037390A | Smear resistant pigmented ink jet inks containing .beta.-diketone or ureido dispersants | Chemistry; Metallurgy | 7 | Expired |
| US4206108A | Acrylic graft copolymers and coating compositions thereof | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4446175A | Coatings formed from isocyanate-functional polymers containing a terminal monosulfide group | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4151227A | Acrylic graft copolymers and coating compositions thereof | Chemistry; Metallurgy | 6 | Expired |
| US4945145A | Silane coating composition for ambient cure | Chemistry; Metallurgy | 6 | Expired |
| US4206294A | Graft copolymers and coating compositions thereof | Chemistry; Metallurgy | 6 | Expired |
| US4219632A | Low molecular weight isocyanato-acrylate copolymers | Chemistry; Metallurgy | 6 | Expired |
| US4474855A | Coated article | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4251404A | Acrylic graft copolymers and coating compositions thereof | Chemistry; Metallurgy | 5 | Expired |
| US8263694B1 | Polyurethane-containing grouts | Chemistry; Metallurgy | 5 | Active |
| US4255541A | Acrylic graft copolymers and coating compositions thereof | Chemistry; Metallurgy | 4 | Expired |
| US4255298A | Acrylic graft copolymers and coating compositions thereof | Chemistry; Metallurgy | 3 | Expired |
| US4243573A | Acrylic graft copolymers and coating compositions thereof | Chemistry; Metallurgy | 3 | Expired |
| US4346201A | Polymer blend of an acrylic polymer and a block polymer of acrylic segments and polymercaptan segment | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.