Inventor · Paris, FR

Frederic Guerin

45Patents
7h-index
28Co-inventors
65Inventor score

Filing activity: Jun 10, 2002 → Oct 27, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US7951875B2 Low molecular weight hydrogenated nitrile rubber Chemistry; Metallurgy 16 Active
US6780939B2 Low molecular weight hydrogenated nitrile rubber Chemistry; Metallurgy 14 Expired
US7641703B2 Composition for the coloring of keratinous fibers comprising a halochromic compound and/or the dye corresponding to this compound, and method of use thereof Human Necessities 14 Active
US6997963B2 Use of a chromoionophore and/or fluoroionophore for dyeing human keratin fibres, dyeing compositions and methods Human Necessities 13 Expired
US7833290B2 Composition comprising a derivative of hermatoxylin, of hematein, of brazilin or of brazilein, metal salt, hydrogen peroxide, and (bi)carbonate and hair dyeing method therewith Human Necessities 9 Active
US6673881B2 Process for the preparation of low molecular weight hydrogenated nitrile rubber Emerging Cross-Sectional Technologies 9 Expired
US7262244B2 Polymer composites comprising low molecular weight nitrile rubber Chemistry; Metallurgy 8 Expired
US6841623B2 Low molecular weight nitrile rubber Chemistry; Metallurgy 7 Expired
US7611545B2 Cosmetic article and process for dry dyeing keratin materials Human Necessities 7 Active
US7585920B2 Process for the preparation of low molecular weight hydrogenated nitrile rubber Chemistry; Metallurgy 6 Expired
US8671956B2 Method for permanent reshaping and in particular for straightening, comprising a stage of straightening keratinous fibres employing a composition comprising at least 40% by weight of non-silicone fatty substances Human Necessities 5 Active
US7235601B2 Hydrogenated nitrile rubber compositions with improved processability Chemistry; Metallurgy 5 Expired
US7381781B2 Process for the preparation of low molecular weight hydrogenated nitrile rubber Chemistry; Metallurgy 5 Expired
US7745539B2 Low molecular weight nitrite rubber Chemistry; Metallurgy 4 Expired
US7857865B2 Composition comprising at least one ortho-diphenol, metal salt, hydrogen peroxide and (bi)carbonate and hair dyeing method therewith Human Necessities 3 Active
US10117811B2 Packaging article comprising an envelope and an anhydrous dye composition comprising an oxidation dye, use of the same and process for dyeing keratin fibres Human Necessities 3 Active
US7595361B2 Adhesive compositions Emerging Cross-Sectional Technologies 2 Expired
US6946526B2 Nitrile polymer vulcanizate and process for the production thereof Chemistry; Metallurgy 2 Expired
US7579410B2 Process for the preparation of low molecular weight nitrile rubber Chemistry; Metallurgy 2 Expired
US8097044B2 Hair compositions comprising at least one disulfide direct dye and at least one alkaline hydroxide agent and simultaneous hair shaping and dyeing processes Human Necessities 2 Active
US7919563B2 Low molecular weight hydrogenated nitrile rubber Chemistry; Metallurgy 2 Active
US7772328B2 Low molecular weight hydrogenated nitrile rubber Chemistry; Metallurgy 2 Active
US7105606B2 Polymer blends comprising low molecular weight nitrile rubber Chemistry; Metallurgy 2 Expired
US9265705B2 Composition for dyeing keratin fibres comprising a direct dye bearing a disulphide/thiol function, a nonionic surfactant, an amphoteric surfactant, an ethoxylated fatty alcohol, an alkaline agent and a reducing agent Human Necessities 2 Active
US7857866B2 Dyeing method using a composition comprising an ortho-diphenol and comprising a wiping, drying or non rinsing stage Human Necessities 2 Active

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