L'oreal

Loreal Sa

Societe L'oreal Sa

Sylvie Genard

Jean R Maignan

Michel Hocquaux

Michel Philippe

Laurent Vidal

Jean-Baptiste Galey

Thierry Bordier

Herve Andrean

Aude Livoreil

Jean Baptiste Galey

Serge Michel

Richard Baudry

The object of the invention is to provide an improved method for synthesizing a KPV tripeptide diamide derivate having the formula (I) such as defined in the specification. The synthesis method according can be implemented with any of the stereoisomers of each of the Lysine (K), Proline (P) or Valine (V) amino acid residues.

Method for synthesizing KPV tripeptide diamide derivatives

The subject of the invention is novel pyrazolo[3,2-c]-1,2,4-triazoles of formula (I) which are useful for the oxidation dyeing of keratinous fibers, in particular human hair, the compositions containing these compounds and the dyeing method using them. in which

Pyrazolo-triazoles and use of said compounds for dyeing keratinous fibres

Cosmetic or pharmaceutical composition in solid form comprising bis-acyl-amides

10-Hydroxy-2-decenoic acid and derivatives thereof are well suited for promoting desquamation and/or stimulating epidermal renewal and/or combating intrinsic/extrinsic aging of the skin of a candidate individual in need of such treatment, by administering thereto, for such period of time as required to elicit the desired response, an effective amount of at least one of said 10-hydroxy-2-decenoic acid or derivative thereof.

Hydroxydecenoic acid compounds for promoting desquamation/epidermal renewal of the skin and/or combating skin aging

(poly)thiaalkynoic compounds and pharmaceutical/cosmetic compositions comprised thereof

The invention concerns a compound selected among hyper-branched polymers and dendrimers, characterised in that it comprises at least one group of formula (I). The invention also concerns a method for preparing said compounds, and their use as thickening or gelling agent, in particular in cosmetics or pharmaceutics. The invention further concerns a cosmetic or pharmaceutical composition containing, in a cosmetically or pharmaceutically acceptable medium, said compounds.

Hyperbranched polymers or dendrimers containing a particular group, preparation process, use and compositions comprising them

The invention concerns the use of hyperbranched polymers and dendrimers, comprising at least one group of formula (I) in which: Y represents the oxygen atom or a NH group: and A represents a C -C alkane di-yl group, linear, branched or cyclic, saturated or unsaturated; said group being optionally interrupted by one or several heteroatoms and/or substituted by a function selected among: amino (&mdash;NH ): acylamino (&mdash;NH&mdash;CO&mdash;R) in which R represents a C -C alkyl group, linear, branched or cyclic, saturated or unsaturated; carboxylic acid (&mdash;COOH), ester (&mdash;COOR) in which R represents a C -C alkyl group, linear, branched or cyclic, saturated or unsaturated, as film-forming agent. The invention also concerns a film-forming composition comprising said compound and its use particularly in cosmetics or pharmaceutics.

Use of hyperbranched polymers and dendrimers comprising a particular group as film-forming agent, film-forming compositions comprising same and use particularly in cosmetics and pharmaceutics

The use of derivatives of quinoline- or quinoxaline-5,8-diones or -diols in cosmetics, especially for the dyeing of keratinous matter and, in particular, the hair. It also relates to novel compounds of this class. The invention is also directed to dyeing compositions comprising the said compounds and to the method of dyeing keratinous fibers.

Composition for hair dyeing comprising condensates of quinoline-5, 8-diones or of quinoxaline-5,8-diones and substituted pyrroles, anilines or indoles

Pyrrole derivatives of 1,4-naphthoquinone and of 1,4-dihydroxynaphthalene, dye compositions containing them and the corresponding dyeing process.

Pyrrole derivatives of 1,4-naphthoquinone and of

The derivatives of N,N'-di(aralkyl)-N,N'-di(carboxyalkyl) alkylene di- or triamine and N-(aralkyl)-N'-(carboxyalkyl)-N'N'-di(carboxyalkyl) alkylene di- or triamine of the formula: ##STR1## and the salts and metallic complexes thereof are disclosed. Use in pharmaceutical or cosmetic compositions used to protect the organism from oxidizing stress situations linked to certain pathological states.

Derivatives of N,N'-di (carboxyalkyl) alkylene di-or triamine

The present invention relates to the use of dehydroalanine derivatives of formula (I) ##STR1## with R.sub.1 : H or linear- or branched-chain C.sub.1 C.sub.4 alkyl, ##STR2## or linear- or branched-chain C.sub.1 -C.sub.20 alkyl where X.sub.1, X.sub.2, X.sub.3, X.sub.4 and X.sub.5 =H, halogen, hydroxyl, linear-or branched-chain C.sub.1 -C.sub.4 alkyl or alkoxy, ##STR3## and n=2, 3 or 4, for protecting the skin, the mucous membranes and/or the hair against oxidative stress and to the cosmetic and dermatological compositions containing such compounds and to new dehydroalanine derivatives.

Dehydroalanine derivatives for protecting the skin, the mucous membranes

New arginine derivatives containing an N.sup..alpha. -alkyloxycarbonyl group of formula (I) ##STR1## in which R represents a linear or branched alkyl radical having from 8 to 22 carbon atoms, salts thereof, and mixtures of the derivatives and the salts. A process for the preparation of these derivatives, salts, and mixtures and use of such derivatives, salts, and mixtures, especially in cosmetics. Compositions, especially cosmetic compositions, comprising the derivatives, salts, and mixtures.

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Paris, France

Sylvie Genard