Jean De Rigal
9Patents
7h-index
13Co-inventors
60Inventor score
Filing activity: Aug 10, 1979 → Dec 10, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5636637A | Method for determining quantities characteristic of the behavior of a surface, in particular of the human skin, subjected to light radiation, and apparatus for implementation thereof | Human Necessities | 48 | Expired |
| US4297884A | Method of and apparatus for the measurement of at least one mechanical property of an elastic material | Physics | 36 | Expired |
| US5932194A | UV-Photoprotective cosmetic compositions comprising polymer particulates/fatty phases having unique refractive indices | Human Necessities | 33 | Expired |
| US4682608A | Apparatus for measuring viscoelastic properties of skin in vivo | Physics | 19 | Expired |
| US5618521A | Photoprotective/cosmetic compositions comprising antioxidants and filamentous bacterial extracts | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6985230B2 | Comparison sample for simulating the color of keratinous elements, and related methods | Physics | 10 | Expired |
| US5230890A | Urethane derivatives from amino acids, a process for their preparation and cosmetic or pharmaceutical compositions for use in the treatment of dry skin | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4396025A | Apparatus for measuring the elastic characteristics of skin | Physics | 4 | Expired |
| US6724480B2 | Comparison sample for simulating an appearance of a keratinous element, and related methods | Physics | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.