公开(公告)号：US20210177719A1

公开(公告)日：2021-06-17

申请号：US16760191

申请日：2018-11-15

Applicant: L'OREAL

Inventor： Raluca LORANT ,  Laure FAGEON ,  Carole GUIRAMAND ,  Karl BOUTELET

IPC: A61K8/46 ,  A61K8/81 ,  A61K8/37 ,  A61K8/42 ,  A61Q1/14 ,  A61Q19/10 ,  A61Q17/04 ,  A61K8/06

Abstract: Cosmetic emulsion containing a gemini surfactant and a lipophilic polymer The invention relates to a composition in the form of an emulsion, in particular in the form of an oil-in-water emulsion, comprising a gemini surfactant having a specific chemical structure with at least two fatty amide groups and at least one lipophilic polymer comprising at least hydroxyethyl acrylate units and acrylate units bearing a lipophilic group, wherein the weight ratio of the sum of all the hydroxyethyl acrylate units to the sum of all the acrylate units bearing a lipophilic group ranges from 1:30 to 1:1 and wherein the lipophilic polymer has a number-average molecular weight Mn ranging from 2000 to 9000 g/mol. The composition in accordance with the invention makes it possible to obtain a cosmetic emulsion having an increased sun protection factor, while at the same time having good cosmetic properties, such as a non-greasy and non-tacky feel, while at the same time being stable, in particular from the physicochemical viewpoint.

公开(公告)号：US20210169770A1

公开(公告)日：2021-06-10

申请号：US16761357

申请日：2018-11-15

Applicant: L'OREAL

Inventor： Laure FAGEON ,  Carole GUIRAMAND ,  Karl BOUTELET

IPC: A61K8/81 ,  A61K8/06 ,  A61Q19/10 ,  A61Q1/14

Abstract: Emulsion comprising an anionic acrylic copolymer and a lipophilic polymer A subject of the present invention is a composition in the form of an emulsion, preferably in the form of an oil-in-water emulsion, comprising at least one hydrophilic gelling polymer chosen from anionic acrylic copolymers and at least one lipophilic polymer comprising at least hydroxyethyl acrylate units and acrylate units bearing a lipophilic group, wherein the weight ratio of the sum of all the hydroxyethyl acrylate units to the sum of all the acrylate units bearing a lipophilic group ranges from 1:30 to 1:1 and wherein the lipophilic polymer has a number-average molecular weight Mn ranging from 2000 to 9000 g/mol. The composition in accordance with the invention makes it possible to obtain emulsions which are homogeneous (the emulsion is macroscopically smooth and has no grains, after storage in a pot for 24 hours at ambient temperature (25° C.)), which have a variable viscosity (very fluid to very thick), which are stable over time, and which have good sensory properties, in particular which are non-tacky, non-shiny and non-greasy on the skin.

公开(公告)号：US20200281829A1

公开(公告)日：2020-09-10

申请号：US16763629

申请日：2018-11-15

Applicant: L'OREAL

Inventor： Carole GUIRAMAND ,  Raluca LORANT ,  Sandrine THEROUIN-KOEL ,  Marie-Lise CHIRON ,  Karl BOUTELET

IPC: A61K8/368 ,  A61K8/81 ,  A61K8/34 ,  A61K8/60 ,  A61K8/49 ,  A61Q17/04

Abstract: The present invention relates to a composition, especially a cosmetic, in particular photoprotective, composition, comprising at least: —one or more hydroxyethyl acrylate polymers, —one or more UV-screening agents, and —one or more copolymers of acrylamido-2-methylpropanesulfonic acid and of one or more nonionic monomers.

公开(公告)号：US20190350836A1

公开(公告)日：2019-11-21

申请号：US16461557

申请日：2017-12-15

Applicant: L'OREAL

Inventor： Carole GUIRAMAND ,  Nathalie BOILEAU ,  Léonora HENAULT-MEZAIZE ,  Mathieu CHABRILLANGEAS ,  Raluca LORANT

IPC: A61K8/92 ,  A61K8/31 ,  A61K8/87 ,  A61K8/06 ,  A61Q19/08 ,  A61K8/04

Abstract: The present invention relates to a composition in the form of a fatty phase-in-water emulsion comprising a first solid fatty substance with a hardness, at 25° C., ranging from 0.2 to 2 MPa; a second solid fatty substance with a hardness, at 25° C., ranging from 5 to 15 MPa; and an associative aqueous gelling polymer. Application to the cosmetic treatment of the skin.