L'oreal

Societe Anonyme Dite: L'oreal

Centre International De Recherches Dermatologiques C.i.r.d.

Groupement D'interet Economique Dit: Centre International De Recherches

Rhone-poulenc Chimie

Groupement D'interet Economique Centre International De Recherches

Centre International De Recherches Dermatologiques Dite Cird

Centre International De Recherches Dermatologiques Galderma (cird

Centre International De Recherches Dermatologioues (cird)

Groupement D'interet Economic Dit: Centre International De Recherches

Gerard Lang

Serge Forestier

Jean R Maignan

Alex M Junino

Braham Shroot

Serge A Restle

Herve Richard

Bernard Jacquet

Gerard Malle

Alain LaGrange

Alain Malaval

Alain R Genet

Jean J Vandenbossche

Jean Cotteret

Andre Deflandre

Madeleine Leduc

Michel Colin

Christopher Hensby

Herve Borowiak

Nicole Jehanno

Do Le Trung

Michel M Gay

Edith Canivenc

Jean F Grollier

Georges Rosenbaum

Bernadette Luppi

Jean J Vandenbosche

Edith Sainte Beuve

Claudine Moire

Irena Beck

Andree Bugaut

Jean-Francois Grollier

Jean-Luc M Leveque

Herve Andrean

Guy Solladie

Laurent B Rasseneur

Gregoire Kalopissis

Michel Hocquaux

Claude Bouillon

Didier Gagnebien

Jacqueline Griat

Quang L N'Guyen

Jean-Pierre Laugier

Jean-Pierre Arraudeau

Jeanne Patraud

Francois Millecamps

Ginette Jeanminet

Serge Forestter

Jean Jacques Van Den Bossche

Andre DeFlandre

Jean C Grognet

Philippe Vingler

Claudine Morie

The invention relates to a process for dyeing keratinous fibres, which consists in applying to these fibres a composition containing, in a suitable medium for dyeing, at least one coupler of formula: ##STR1## where R.sub.1 denotes hydrogen or alkyl,

Process for dyeing keratinous fibers with aminoindoles and oxidation dye

A method for dyeing keratin fibers, wherein a composition is applied to said fibers which contains, in a suitable dyeing medium, at least one coupler having formula (I) ##STR1## wherein R.sub.1 is hydrogen or alkyl; R.sub.2 and R.sub.3 are hydrogen, alkyl, COOR', where R' is alkyl or hydrogen; R.sub.4 is hydrogen, hydroxyalkyl, alkyl, polyhydroxyalkyl or acetyl or aminoalkyl wherein the amine may be mono- or disubstituted by alkyl; Z.sub.1 and Z.sub.2 are hydrogen, alkyl, hydroxy, halogen, alkoxy or a salt thereof; at least one precursor of an oxidation hair dye; and at least one oxidizing agent, the pH of the composition applied to the fibers being less than 7.

Methods for dyeing keratinous fibers with compositions which contain

A photostable cosmetic filter composition for protecting human skin against UV radiation at wavelengths between 280 and 380 nm comprises, in a cosmetically acceptable support medium containing at least one oily phase, 1 to 3% by weight of a dibenzoylmethane derivative and at least 1% by weight of a substituted dialkylbenzalmalonate having formula I: ##STR1## R.sub.1 and R.sub.3 may be identical or different and represent H or a straight- or branched-chain C.sub.1 -C.sub.8 alkoxy radical. R.sub.2 and R.sub.4 represent a straight- or branched-chain C.sub.1 -C.sub.8 alkyl radical. The molar ratio of compound (I) to the dibenzoylmethane derivative is greater than or equal to 0.6.

Photostable cosmetic filter composition containing a UV-A filter and a

A photostable cosmetic filter composition for protecting human skin against UV radiation at wavelengths between 280 and 380 nm comprises, in a cosmetically acceptable support medium containing at least one oily phase, 1 to 3% by weight of a dibenzoylmethane derivative and at least 1% by weight of a substituted dialkylbenzalmalonate having formula I: ##STR1## R.sub.1 and R.sub.3 may be identical or different and represent H or a straight- or branched-chain C.sub.1 -C.sub.8 alkoxy radical.

Photostable cosmetic filter composition cotaining a UV-A filter and a

The invention relates to a photostable screening cosmetic composition for protecting human skin against UV rays, comprising, in a cosmetically acceptable substrate containing at least one fatty phase, 1 to 3% by weight of 4-(1,1-dimethylethyl)-4'-methoxydibenzoylmethane and at least 4.5% by weight of p-methylbenzylidenecamphor, the weight ratio of p-methylbenzylidenecamphor to 4-(1,1-dimethyl-ethyl)-4'-methoxydibenzoylmethane being higher than or equal to 3. It also relates to a process for protecting the skin against UV radiation and to a process for stabilizing 4-(1,1-dimethylethyl)-4'-methoxydibenzoylmethane against UV radiation.

Photostable cosmetic composition containing a UV-A screen and a UV-B

Process for the preparation of 5,6-dihydroxyindole, wherein the compound of formula: ##STR1## in which R' denotes a hydrogen atom or an optionally substituted benzyl radical, is subjected either to the action of hydrogen under pressure or to a hydrogen transfer operation, in a solvent medium and in the presence of a hydrogenation catalyst.

Process for the preparation of 5,6-dihydroxyindole and intermediate

3-Substituted para-aminophenols of general formula: ##STR1## where X=H, halogen; Y=O--, --S--; R=alkyl, hydroxyalkyl, C.sub.1-4 aminoalkyl or C.sub.3 -C.sub.6 polyhydroxyalkyl;

3-substituted para-aminophenols, process for preparing them, their use

The cosmetic use is described, in particular for use as a UV filter, of benzalmalonate diorganopolysiloxanes having either formula: ##STR1## where R is C.sub.1 -C.sub.10 alkyl, phenyl or 3,3,3-trifluoropropyl, B is R or A, r=0-200, s=0-50, or formula: ##STR2## where u=1-20, t=0-20 and t+u.gtoreq.3. A and/or B represent an alkylene or alkyleneoxy benzalmalonate which may be substituted.

Cosmetic use of benzalmalonate diorganopolysiloxanes and novel cosmetic

3-Substituted para-aminophenols, process for preparing them, their use for dyeing keratinous fibres and the intermediate compounds used in the process of preparation. 3-Substituted para-aminophenols, of general formula: ##STR1## where X.dbd.H, halogen; Y.dbd.O--, --S--; R.dbd.alkyl, hydroxyalkyl, C.sub.1-4 aminoalkyl or C.sub.3 -C.sub.6 polyhydroxyalkyl;

Oxidation tinctorial composition intended to be used for dyeing keratinous fibres, in particular human keratinous fibres and especially hair, characterized in that it contains, in a solvent medium appropriate for dyeing these fibres, at least one para oxidation dye precursor or at least one ortho oxidation dye precursor and at least one heterocyclic coupler corresponding to the formula (I): ##STR1## in which: R.sub.1 and R.sub.3, which may be identical or different, denote a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group;

Tinctorial composition for keratinous fibres containing oxidation dye

The invention concerns 4-hydroxy-5-methoxyindole and 5-ethoxy-4-hydroxy-2-methylindole which are useful as dyes for dyeing keratin materials.

Indole derivatives for dyeing keratin materials

A process for dyeing keratinous fibers involves applying to the fibers, at least one compound of formula ##STR1## wherein R.sub.1 represents hydrogen, alkyl, acetyl, benzoyl, phenyl or carboxylalkyl and R.sub.2 and R.sub.3 represent hydrogen, alkyl, hydroxyl, halogen, nitro, alkyl phenyl, phenyl or alkoxy, and an aminopyrimidine of the formula ##STR2## wherein R.sub.5 represents hydrogen, hydroxyl or ##STR3## represents hydroxyl or ##STR4## R.sub.7 represents H or NH.sub.2, R.sub.8 represents ##STR5## and R.sub.9 and R.sub.10 represent hydrogen, alkyl, (CH.sub.2).sub.p -Z wherein p is 1 to 4 and Z represents OH, halogen, NH.sub.2, NHR' or NHR'R' wherein R' and R' represent alkyl or together form a heterocycle, with the proviso that one of R.sub.5 to R.sub.8 represents NH.sub.2.

Hair dye compositions and process comprising and utilizing a combination

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Saint-Gratien, France

Gerard Lang