Robert A. Pyles
39Patents
10h-index
35Co-inventors
75Inventor score
Filing activity: Jul 20, 1984 → Oct 28, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6367930B1 | Process for preparing a photochromic lens | Physics | 54 | Expired |
| US6065836A | Photochromic ophthalmic lens | Chemistry; Metallurgy | 37 | Expired |
| US4737573A | Method for polymerizing aromatic bischloroformate composition to polycarbonate | Chemistry; Metallurgy | 34 | Expired |
| US6733543B2 | Process for making dyed articles | Physics | 33 | Expired |
| US8758860B1 | Process for incorporating an ion-conducting polymer into a polymeric article to achieve anti-static behavior | Chemistry; Metallurgy | 23 | Active |
| US5461120A | Transparent thermoplastic molding compositions | Chemistry; Metallurgy | 21 | Expired |
| US4732934A | Functionalized thermoplastic polymers, blends prepared therefrom, and methods for preparing blends | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4743676A | Method for preparing polycarbonate of controlled molecular weight from aromatic bischloroformate | Chemistry; Metallurgy | 14 | Expired |
| US6749646B2 | Dip-dyeable polycarbonate process | Textiles; Paper | 12 | Expired |
| US7175675B2 | Method of dyeing a plastic article | Textiles; Paper | 11 | Expired |
| US4663433A | Separation of cyclic oligomeric carbonate from high molecular weight polycarbonate | Chemistry; Metallurgy | 10 | Expired |
| US6994735B2 | Process for tinting plastic articles | Chemistry; Metallurgy | 9 | Expired |
| US5998520A | Photochromic compositions having improved fade rate | Chemistry; Metallurgy | 9 | Expired |
| US7921680B2 | Apparatus and process for treating an article to impart color and/or enhance the properties of that article | Emerging Cross-Sectional Technologies | 8 | Active |
| US5011967A | Method for preparing aromatic bischloroformate compositions | Physics | 7 | Expired |
| US4535104A | Ultraviolet light stabilized copolyestercarbonate | Chemistry; Metallurgy | 7 | Expired |
| US6949127B2 | Process for making dyed articles | Physics | 7 | Expired |
| US7094263B2 | Composition of matter comprising a dye | Textiles; Paper | 6 | Expired |
| US7504054B2 | Method of treating a plastic article | Chemistry; Metallurgy | 6 | Expired |
| US6103777A | Thermoplastic composition suitable for optical applications having low haze values | Physics | 5 | Expired |
| US6929666B2 | Composition comprising a dye | Textiles; Paper | 4 | Expired |
| US8206463B2 | Colored article of manufacture and a process for its preparation | Performing Operations; Transporting | 4 | Active |
| US4994594A | Oligomeric carbonate chainstoppers | Chemistry; Metallurgy | 3 | Expired |
| US10132597B2 | Ballistic-resistant structural insulated panels | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US5580951A | Method for preparing aromatic bischloroformate compositions and polycarbonates | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.