Robert A. Smith
50Patents
15h-index
66Co-inventors
87Inventor score
Filing activity: Jun 3, 1974 → Oct 14, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4276394A | Novel telechelic polymers, block copolymers and processes for the preparation thereof | Chemistry; Metallurgy | 105 | Expired |
| US6531076B2 | Photochromic organic resin composition | Emerging Cross-Sectional Technologies | 102 | Expired |
| US7009032B2 | Sulfide-containing polythiols | Chemistry; Metallurgy | 92 | Expired |
| US4395526A | One package, stable, moisture curable, polyalkoxy-terminated organopolysiloxane compositions and method for making | Emerging Cross-Sectional Technologies | 69 | Expired |
| US6342571B1 | High refractive index optical resin composition | Chemistry; Metallurgy | 49 | Expired |
| US4461854A | Room temperature vulcanizable polysiloxane having a heat-activated catalyst | Chemistry; Metallurgy | 48 | Expired |
| US5976422A | Optical resin composition | Physics | 43 | Expired |
| US6733887B2 | Photochromic coated high impact resistant articles | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5917006A | Optical resin composition | Physics | 39 | Expired |
| US6631021B2 | Polyfunctional thiirane compounds | Chemistry; Metallurgy | 26 | Expired |
| US6669873B1 | Optical resin composition comprising thiol-ene prepolymer | Chemistry; Metallurgy | 22 | Expired |
| US8017720B2 | Sulfur-containing oligomers and high index polyurethanes prepared therefrom | Chemistry; Metallurgy | 21 | Active |
| US4490500A | Completely solventless two component RTV silicone composition | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5981634A | Method of preparing photochromic articles | Physics | 18 | Expired |
| US7098290B1 | Method of preparing an optical polymerizate | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4007153A | Silicone dental impression compositions | Chemistry; Metallurgy | 15 | Expired |
| US4403088A | Plastic resin prepared from meta or para-diisopropenylbenzene and method of preparation | Chemistry; Metallurgy | 13 | Expired |
| US4694057A | Preparation of polymers containing pendant isocyanate groups and derivatives thereof by emulsion copolymerization | Chemistry; Metallurgy | 12 | Expired |
| US3954438A | 5-Trifluoromethyl-7-aminobenzimidazoles herbicides | Chemistry; Metallurgy | 12 | Expired |
| US4579911A | Polymer bound nonionic surfactants as cure activators | Chemistry; Metallurgy | 9 | Expired |
| US3954788A | 5-Trifluoromethyl-7-nitrobenzimidazoles | Chemistry; Metallurgy | 9 | Expired |
| US5449503A | Process for separating arsenic acid from an aqueous mixture comprising sulfuric and arsenic acids | Chemistry; Metallurgy | 8 | Expired |
| US5902635A | Treating process for precipitated silica fillers | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5677411A | Heat curable elastomeric compositions | Chemistry; Metallurgy | 8 | Expired |
| US3957704A | Cross-linking agents for room temperature vulcanizable silicone rubber compositions | Chemistry; Metallurgy | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.