Ewell Cook
8Patents
6h-index
27Co-inventors
63Inventor score
Filing activity: Dec 6, 1984 → Feb 22, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5019492A | Photographic element and process comprising a blocked photographically useful compound | Emerging Cross-Sectional Technologies | 34 | Expired |
| US6952392B2 | Laser reactive dyes for DVD copy protection system | Physics | 15 | Expired |
| US5514716A | Hydroxamic acid and carboxylic acid derivatives, process for their preparation and use thereof | Chemistry; Metallurgy | 13 | Expired |
| US5618844A | Hydroxamic acid and carboxylic acid derivatives, process for their preparation and use thereof | Chemistry; Metallurgy | 10 | Expired |
| US4672029A | Color-forming couplers and their use in the analytical determination of hydrogen peroxide or other analytes | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7176308B2 | Processes for preparing novel methylene blue derivative | Chemistry; Metallurgy | 6 | Expired |
| US8211333B2 | Poly(oxyalkylene)ated colorants and their use as fluorescent security taggants | Emerging Cross-Sectional Technologies | 0 | Active |
| US7914703B2 | Poly(oxyalkylene)ated colorants and their use as fluorescent security taggants | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.