JR

Jean De Rigal

L' L'Oreal: 6 patents #397 of 2,221Top 20%
LS L'Oreal S.A.: 3 patents #132 of 559Top 25%
Overall (All Time): #584,908 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6985230 Comparison sample for simulating the color of keratinous elements, and related methods Christophe Dauga 2006-01-10
6724480 Comparison sample for simulating an appearance of a keratinous element, and related methods Christophe Dauga 2004-04-20
5932194 UV-Photoprotective cosmetic compositions comprising polymer particulates/fatty phases having unique refractive indices Herve Plessix, Jean Mondet 1999-08-03
5636637 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 Alain Guiolet, Jean-Luc Leveque 1997-06-10
5618521 Photoprotective/cosmetic compositions comprising antioxidants and filamentous bacterial extracts Jean-Luc Leveque, Jean-Claude Contamin, Lucien Aubert 1997-04-08
5230890 Urethane derivatives from amino acids, a process for their preparation and cosmetic or pharmaceutical compositions for use in the treatment of dry skin Michel Philippe, Henri Sebag, Guy Vanlerberghe 1993-07-27
4682608 Apparatus for measuring viscoelastic properties of skin in vivo Jean-Luc Leveque, Laurent Rasseneur, Marie-Jeanne Losch 1987-07-28
4396025 Apparatus for measuring the elastic characteristics of skin Jean-Luc Leveque 1983-08-02
4297884 Method of and apparatus for the measurement of at least one mechanical property of an elastic material Jean-Luc Leveque, Laurent Rasseneur, Gilbert Gras 1981-11-03