Inventor

LANG GERARD

FR198 patents

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

LANG GERARD

OREAL

Photostable cosmetic filter composition cotaining a UV-A filter and a substituted dialkylbenzalmalonate, the use of substituted dialkylbenzalmalonates in cosmetics as broad-band solar filters and novel substituted dialkyl malonates

Quaternized polymer for use as a cosmetic agent in cosmetic compositions for the hair and skin

Quaternized polymer for use as a cosmetic agent in cosmetic compositions for the hair and skin

Quaternized polymers; process for preparing the same; and cosmetic compositions containing the same

Hair dyeing compositions containing quaternized polymer

Hair dye composition containing quaternized polymers

Quaternized polymer for use as a cosmetic agent in cosmetic compositions for the hair and skin

Treating hair with quaternized polymers

Cosmetic agents based on polycationic polymers, and their use in cosmetic compositions

Composition for oxidation dyeing of keratin fibers and process using same

Tinctorial composition for keratinous fibres containing oxidation dye precursors and aminoindole couplers, methods for dyeing using these compositions and new compounds

Cosmetic temporary coloring compositions containing protein derivatives

N-(mercaptoalkyl)ω-hydroxyalkylamides and their use as a reducing agent in a process for permanently deforming hair

N-(mercaptoalkyl)Ω-hydroxyalkylamides and their use as a reducing agent in a process for permanently deforming hair

N-(mercaptoalkyl)omega-hydroxyalkylamides and their use as a reducing agent in a process for permanently deforming hair

Antiacne composition containing benzoic peroxide in association with at least one sun filter

3-benzylidene-camphors, process for their preparation and their use in protection against UV rays

Anti-sunburn compositions containing 2-phenyl-indole derivatives

Polycationic polymers and their preparation

Cosmetic composition for imparting to human skin a coloration resembling a natural tan

Diazomerocyanines and mesomeric forms thereof

Protecting skin and hair with cosmetic compositions containing superoxide dismutase

Azo dyes derived from 3-amino pyridine in hair dye compositions

Diazamerocyanines for dyeing keratinous fibers

Azo derivatives or pyridine N-oxide for use in hair dye compositions

Dyeing composition containing halogenated 2-nitroanilines

Polyaminoamides which filter ultraviolet radiation, process for their preparation and their use in the protection of the skin and hair

Cosmetic containing benzotriazole diorganopolysiloxanes

Oxidation dyeing composition for keratinous fibres containing a 3-aminopyridine azo derivative and dyeing method using said composition

Dye composition for keratin fibers, with a cationic direct dye and a substantive polymer

Mixture for the oxidation tinting of keratin fibres containing a laccase and tinting method using said mixture

Keratinous fibre oxidation dyeing compositions containing a laccase and dyeing method using same

Process for dyeing keratinous fibers with aminoindoles and oxidation dye precursors at basic Ph&#39;s and dyeing agents

Methods for dyeing keratinous fibers with compositions which contain aminoindole couplers, oxidation dye precursors, and oxidizing agents at acid pHs

Photostable cosmetic filter composition containing a UV-A filter and a substituted dialkylbenzalmalonate, the use of substituted dialkylbenzalmalonates in cosmetics as broad-band solar filters and novel substituted dialkylmalonates

Photostable cosmetic composition containing a UV-A screen and a UV-B screen and a process for stabilizing the UV-A screen with the UV-B screen

Process for dyeing keratinous fibers combining isatin or its derivatives with a tri-, tetra- or pentasubstituted aniline or with a bisphenylalkylenediamine, and dyeing agents

Methods for dyeing keratinous fibres with aminoindoles, compositions and devices for use

Benzonorbornene derivatives, processes for their preparation and medicinal and cosmetic compositions containing them

New liposoluble unsaturated benzalmalonate derivatives and their use as absorbers for ultraviolet radiation in cosmetics

Dyeing compositions for keratinous fibres based on indole derivatives, and new compounds

Cosmetic composition containing aloesin as an agent for protection against sunlight and its use for skin and hair protection

Azo derivatives of pyridine n-oxide for use in hair dye compositions

Tinctorial compositions for keratin fibres containing precursors of oxidation colorants and indole couplers, and dyeing processes using these compositions

Anti-oxidant system containing stabilized ascorbyl ester, tocopherol or cafeic acid or a derivative thereof, a complexing agent and a polypeptide, and compositions containing the anti-oxidant system

Mascara composition based on waxes and keratin derivatives

Use, as a coupler, of 2,4-diamino-1,3-dimethoxybenzene or one of its salts, in combination with oxidation dye precursors, for dyeing human hair, hair dyeing composition containing the said coupler and process for preparing the said coupler

CIRD

Bicyclic naphthalenic derivatives, a process for preparing the same and human or veterinary medicines and cosmetic compositions containing said derivatives

Bicyclic aromatic derivatives, method for preparing them, and their use in human and veterinary medicine and in cosmetics

RHONE POULENC CHIMIE

Diorganopolysiloxanes containing benzotriazole functional groups

Process for dyeing keratinous fibers with aminoindoles and oxidation dye precursors at basic Ph's and dyeing agents