P

Inventor

GUERIN FREDERIC

CA35 patents
⚠️ This page may combine multiple inventors who share the name “GUERIN FREDERIC”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OREAL

16 patents
US7833290B2Nov 16, 2010

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

OREAL13 citations84
US7641703B2Jan 5, 2010

Composition for the coloring of keratinous fibers comprising a halochromic compound and/or the dye corresponding to this compound, and method of use thereof

OREAL16 citations84
US6997963B2Feb 14, 2006

Use of a chromoionophore and/or fluoroionophore for dyeing human keratin fibres, dyeing compositions and methods

OREAL14 citations84
US7611545B2Nov 3, 2009

Cosmetic article and process for dry dyeing keratin materials

OREAL9 citations80
US7857866B2Dec 28, 2010

Dyeing method using a composition comprising an ortho-diphenol and comprising a wiping, drying or non rinsing stage

OREAL5 citations63
US7857865B2Dec 28, 2010

Composition comprising at least one ortho-diphenol, metal salt, hydrogen peroxide and (bi)carbonate and hair dyeing method therewith

OREAL5 citations62
US7211118B2May 1, 2007

Composition for dyeing keratin fibers comprising a defined triheteroylmethane direct dye or leuco precursor of this dye and dyeing method using it

OREAL0 citations52
US7655052B2Feb 2, 2010

Composition for the coloring of keratinous fibers comprising a halochromic compound, the dye corresponding to this compound, and methods of use thereof

OREAL0 citations42
US7338535B2Mar 4, 2008

Process for rapid dyeing and rapid decoloration of human keratin fibres with certain direct dyes

OREAL0 citations42
US7329289B2Feb 12, 2008

Use of triarylmethane derivatives as direct dyes in a dye composition, composition and implementation process

OREAL0 citations42
US7326257B2Feb 5, 2008

Composition for dyeing keratinous fibers comprising at least one azodiazine direct dye which is non-aminated at the 7-position and dyeing method using said at least one azodiazine direct dye

OREAL0 citations42
US7217299B2May 15, 2007

Dye composition comprising at least one direct dye of the azo-pyridinio-pyridone family and at least one different synthetic dye, and process

OREAL0 citations42
US7217297B2May 15, 2007

Composition for dyeing keratin fibers comprising a defined diheteroylarylmethane direct dye or a leuco precursor of this dye and dyeing method using it

OREAL0 citations42
US7211117B2May 1, 2007

Composition for dyeing keratin fibers comprising at least one dye chosen from monoheteroyldiarylmethane direct dyes and the leuco precursors thereof and dyeing method using it

OREAL0 citations42
US7182792B2Feb 27, 2007

Composition for dyeing keratinous fibers comprising at least one azodiazine direct dye and dyeing method using it

OREAL0 citations42
US7175672B2Feb 13, 2007

Composition for dyeing keratinous fibers comprising at least one azodiazine direct dye aminated at the 7-position and process for dyeing

OREAL0 citations42

LANXESS INC

11 patents

BAYER INC

5 patents

GUERIN FREDERIC

2 patents

BOUCHARA ANNE

1 patent