Inventor · Montévrain, FR

Andrew Greaves

61Patents
8h-index
21Co-inventors
78Inventor score

Filing activity: Mar 5, 1999 → Dec 19, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US7780743B2 Fluorescent entity, dyeing composition containing at least one fluorescent entity, and method for lightening keratin materials using said at least one fluorescent entity Human Necessities 21 Active
US7303589B2 Process for dyeing human keratin fibers, having a lightening effect, comprising at least one fluorescent compound and compositions of the same Human Necessities 14 Expired
US7300471B2 Composition comprising at least one mixed dye based on at least one chromophore of azo or tri(hetero) arylmethane type, dyeing process and mixed dyes. Human Necessities 14 Expired
US7377946B2 Composition comprising at least one substituted 2-[2-(4-amino phenyl)ethenyl]-1-pyridinium derivative, process for treating keratin fibres using it, device and use thereof Human Necessities 12 Expired
US7717964B2 Styryl thiol/disulfide compound with a hydroxy(cyclo)alkylamino unit, process for lightening keratin materials using same Human Necessities 10 Active
US8038731B2 Method of dyeing and lightening keratin materials in the presence of a reducing agent comprising a fluorescent disulphide dye Human Necessities 10 Active
US7744657B2 Styrl tetrahydroquinolinium thiol/disulfide dye compound and method for lightening keratin materials using the same Human Necessities 10 Active
US8328880B2 Method of colouring and lightening keratin materials in the presence of a reducing agent comprising a fluorescent disulphide dye Human Necessities 8 Active
US7582122B2 Mixed cationic dyes comprising at least one anthraquinone chromophore and their use in methods of hair dyeing Chemistry; Metallurgy 6 Active
US8038732B2 Fluorescent entity, dyeing composition containing at least one fluorescent entity, and method for lightening keratin materials using said at least one fluorescent entity Human Necessities 6 Active
US7220286B2 Cationic direct triazo dyes, dye composition comprising them and process for dyeing keratin fibres using it Human Necessities 5 Expired
US7247713B2 Symmetrical diazo compounds containing 2-pyridinium groups and cationic or non-cationic linker, compositions comprising them, method of coloring, and device Chemistry; Metallurgy 5 Expired
US7303591B2 Composition comprising at least one mixed dye comprising at least two chromophores of (hetero) aromatic nitro or cyclic azine type, dyeing process, and mixed dyes Human Necessities 4 Expired
US7967872B2 Azo quinolinium compounds comprising a disulphide/thiol unit, compositions containing same, process for dyeing keratin fibres and device Human Necessities 4 Active
US8398722B2 Phenylpyrido [1,2-A] indolium-derived thiol/disulfide dye, dye composition comprising this dye, process for lightening keratin materials using this dye Human Necessities 4 Active
US8685114B2 Composition for dyeing and lightening keratin materials comprising a fluorescent deisulphide dye compound Human Necessities 3 Active
US7288121B2 Composition comprising at least one mixed dye comprising at least one chromophore chosen from compounds of the methine family and/or the carbonyl family, dyeing process and kit, and mixed dyes Textiles; Paper 3 Expired
US8562693B2 Method of dyeing and lightening keratin materials in the presence of a reducing agent comprising a fluorescent deisulphide dye Human Necessities 3 Active
US7744658B2 Indole-derived styryl dye comprising an alkylene linker, a dye composition comprising this dye, and a process for lightening keratin materials using this dye Human Necessities 3 Active
US10335355B2 Cosmetic use as deodorant active agent of a siliceous material obtained by hydrolysis and condensation of a tetraalkoxysilane and of an aminoalkyl trialkoxysilane Human Necessities 3 Active
US8840684B2 Process for dyeing keratin fibres using a direct dye bearing a disulfide/thiol/protected thiol function and water vapour Human Necessities 3 Active
US9770398B2 pH-sensitive compound, use, composition and treatment process using same Chemistry; Metallurgy 2 Active
US9533171B2 Method for treating acne Human Necessities 2 Active
US7601180B2 Use for the dyeing with lightening effect of keratin substances of a composition comprising a fluorescent cyanine dye Human Necessities 2 Active
US7727287B2 Hemicyanin styryl thiol/disulfide dye, composition comprising hemicyanin styryl thoil/disulfide dye, and method for lightening keratin materials using hemicyanin styryl thiol/disulfide dye Human Necessities 2 Active

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