Patrick D. P. Thomas
6Patents
2h-index
4Co-inventors
33Inventor score
Filing activity: Feb 23, 1981 → May 15, 1983
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4353974A | Process for the production of photographic images and photographic materials used in this process | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4443537A | Hydroquinone derivatives and their use in photographic materials | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4410702A | Hydroquinone derivatives of pyridinecarboxylic acids | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4417072A | Hydroquinone derivatives and their use in photographic materials | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4480104A | Hydroquinone derivatives and their use in photographic materials | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4426444A | Hydroquinone derivatives and their use in photographic materials | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.