Inventor · Colombe, FR

Bertrand Piot

21Patents
13h-index
28Co-inventors
77Inventor score

Filing activity: Aug 24, 1993 → Jun 9, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US5925337A Waterproof composition for covering the eyelashes, and process for the preparation thereof Human Necessities 55 Expired
US6106813A Polyester polyurethanes, process for preparing them, produced from the said polyester polyurethanes and their use in cosmetic compositions Human Necessities 55 Expired
US5849278A Cosmetic eye makeup composition comprising a wax microdispersion Human Necessities 53 Expired
US5620693A Mascara containing wax(es) and carboxyl-functional film-forming polymer aqueous dispersion Human Necessities 53 Expired
US5858338A Cosmetic eye makeup composition comprising a wax microdispersion Human Necessities 46 Expired
US5753215A Cosmetic composition containing a pseudo-latex having remanence properties Human Necessities 46 Expired
US6946123B2 Film-forming cosmetic composition Human Necessities 32 Expired
US6274131A Mascara comprising a mixture of hard waxes and of film-forming polymer Human Necessities 30 Expired
US5747013A Makeup cosmetic composition in the form of a mascara containing at least a wax and a pseudo-latex of cellulose derivatives Human Necessities 23 Expired
US6770271B2 Polyester polyurethanes, process for preparing them, pseudolatices produced from the said polyester polyurethanes and their use in cosmetic compositions Human Necessities 23 Expired
US5866149A Composition for making up the eyelashes and the eyebrows stabilized oxyethylenated derivatives Human Necessities 22 Expired
US6375941B1 Mascara product comprising a polyurethane Human Necessities 18 Expired
US5451254A Fine dispersion of melanin pigments, its preparation and its use in cosmetics Human Necessities 17 Expired
US6132736A Cosmetic composition based on a microdispersion of wax comprising a lipophilic organofluorine compound Human Necessities 13 Expired
US6641823B2 Make-up composition for the skin Human Necessities 10 Expired
US6641821B1 Cosmetic composition comprising a film-forming polymer, a poly-alpha-olefin and a liquid fatty phase Human Necessities 6 Expired
US7883690B2 Mascara comprising a liquid fatty phase and a wax Human Necessities 5 Expired
US7090860B2 Topical composition Human Necessities 4 Expired
US5858339A Method for making up the eyes using deoxyribonucleic acid Human Necessities 2 Expired
US8409593B2 Methods for reducing tackiness associated with a xanthine compound Human Necessities 0 Active
USRE37380E Method for making up the eyes using deoxyribonucleic acid General 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.