Philip D. Gressel
5Patents
5h-index
7Co-inventors
48Inventor score
Filing activity: Nov 26, 1986 → Jan 6, 1994
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4966773A | Topical ophthalmic compositions containing microfine retinoid particles | Human Necessities | 104 | Expired |
| US5075104A | Ophthalmic carboxy vinyl polymer gel for dry eye syndrome | Human Necessities | 98 | Expired |
| US4826871A | Topical ophthalmic compositions containing one or more retinoids | Human Necessities | 40 | Expired |
| US5403598A | Physiological tear compositions and methods for their preparation | Human Necessities | 28 | Expired |
| US5209927A | Ophthalmic solution | Human Necessities | 23 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.