Hyperbranched polymers or dendrimers containing a particular group, preparation process, use and compositions comprising them
AssigneeL'oreal
InventorsJean Maignan, Sylvie Genard
Life of this patent
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Abstract
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.
Claims37
A compound chosen from hyperbranched polymers and dendrimers comprising at least one group of formula (I):
- wherein:
- Y is chosen from an oxygen atom and an NH group, and
- A is chosen from linear, branched, and cyclic, saturated and unsaturated, C1-C12 alkanediyl groups, said groups being substituted with at least one group chosen from:
- amino;
- —NH—CO—R in which R is chosen from linear, branched, and cyclic, saturated and unsaturated, C1-C10 alkyl groups;
- carboxylic acid;
- and
- —COOR in which R is chosen from linear, branched, and cyclic, saturated and unsaturated, C1-C10 alkyl groups, and wherein A is optionally interrupted by at least one heteroatom.
A process for preparing a compound according to claim 19, comprising oxidizing a polymer chosen from hyperbranched polymers and dendrimers comprising at least one group of formula (II):
- wherein:
- Y is chosen from an oxygen atom and an NH group, and
- A is chosen from linear, branched, and cyclic, saturated and unsaturated, C1-C12 alkanediyl groups, said groups being substituted with at least one group chosen from:
- amino;
- —NH—CO—R in which R is chosen from linear, branched, and cyclic, saturated and unsaturated, C1-C10 alkyl groups;
- carboxylic acid;
- and
- —COOR in which R is chosen from linear, branched, and cyclic, saturated and unsaturated, C1-C10 alkyl groups under conditions sufficient to prepare said compound.
A process for thickening a composition comprising adding to the composition an effective thickening amount of a compound chosen from hyperbranched polymers and dendrimers comprising at least one group of formula (I):
- wherein:
- Y is chosen from an oxygen atom and an NH group, and
- A is chosen from linear, branched, and cyclic, saturated and unsaturated, C1-C12 alkanediyl groups, said groups being substituted with at least one group chosen from:
- amino;
- —NH—CO—R in which R is chosen from linear, branched, and cyclic, saturated and unsaturated, C1-C10 alkyl groups;
- carboxylic acid;
- and
- —COOR in which R is chosen from linear, branched, and cyclic, saturated and unsaturated, C1-C10 alkyl groups.
A process for converting a cosmetic or pharmaceutical composition to a gel, comprising adding an effective amount of at least one compound chosen from hyperbranched polymers and dendrimers comprising at least one group of formula (I):
- wherein:
- Y is chosen from an oxygen atom and an NH group, and
- A is chosen from linear, branched, and cyclic, saturated and unsaturated, C1-C12 alkanediyl groups, said groups being substituted with at least one group chosen from:
- amino;
- acylamino in which R is chosen from linear, branched, and cyclic, saturated and unsaturated, C1-C10 alkyl groups;
- carboxylic acid;
- and
- carboxylic acid esters (—COOR) in which R is chosen from linear, branched, and cyclic, saturated and unsaturated, C1-C10 alkyl groups, to the cosmetic or pharmaceutical composition to form said gel.
A cosmetic or pharmaceutical composition comprising, in a cosmetically or pharmaceutically acceptable medium, at least one compound chosen from hyperbranched polymers and dendrimers comprising at least one group of formula (I):
- wherein:
- Y is chosen from an oxygen atom and an NH group, and
- A is chosen from linear, branched, and cyclic, saturated and unsaturated, C1-C12 alkanediyl groups, said groups being substituted with at least one group chosen from:
- amino;
- —NH—CO—R in which R is chosen from linear, branched, and cyclic, saturated and unsaturated, C1-C10 alkyl groups;
- carboxylic acid;
- and
- —COOR in which R is chosen from linear, branched, and cyclic, saturated and unsaturated, C1-C10 alkyl groups.
An aqueous gel, an aqueous-alcoholic gel, a water-in-oil emulsion, an oil-in-water emulsion, a multiple emulsion, a cream, a milk, a spray mousse, an aerosol mousse, a stick, a tube, a solution, or a liquid dispersion comprising at least one compound chosen from hyperbranched polymers and dendrimers comprising at least one group of formula (I):
- wherein:
- Y is chosen from an oxygen atom and an NH group, and
- A is chosen from linear, branched, and cyclic, saturated and unsaturated, C1-C12 alkanediyl groups, said groups being substituted with at least one group chosen from:
- amino;
- —NH—CO—R in which R is chosen from linear, branched, and cyclic, saturated and unsaturated, C1-C10 alkyl groups;
- carboxylic acid;
- and
- —COOR in which R is chosen from linear, branched, and cyclic, saturated and unsaturated, C1-C10 alkyl groups.
A skincare or haircare lotion, milk, or cream;
- a make-up-removing lotion, milk, or cream;
- a foundation base;
- an antisun or after-sun lotion, milk, or cream;
- an artificial tanning lotion, milk, or cream;
- a shaving cream or foam;
- an aftershave lotion;
- a body hygiene composition;
- a shampoo;
- a hair product for maintaining the hairstyle or for shaping the hair;
- a hair-coloring product;
- a lipstick;
- a mascara or eyeliner;
- or a nail varnish or nailcare product comprising a compound chosen from hyperbranched polymers and dendrimers comprising at least one group of formula (I):
- wherein:
- Y is chosen from an oxygen atom and an NH group, and
- A is chosen from linear, branched, and cyclic, saturated and unsaturated, C1-C12 alkanediyl groups, said groups being substituted with at least one group chosen from:
- amino;
- —NH—CO—R in which R is chosen from linear, branched, and cyclic, saturated and unsaturated, C1-C10 alkyl groups;
- carboxylic acid;
- and
- —COOR) in which R is chosen from linear, branched, and cyclic, saturated and unsaturated, C1-C10 alkyl groups.
Dependencies are inferred from the claim text.