Patent ID: 11931449
Assignee: L'OREAL
Field: Pharmaceuticals (Chemistry)
Classification: CPC A | IPC A

Claim 3:
4. The process of claim 1, wherein the at least one silicone comprising at least one carboxylic acid anhydride group is chosen from organosiloxanes of formula (IV):, wherein:
R2 is independently chosen from an alkyl group containing from 1 to 20 carbon atoms, optionally substituted with at least one group chosen from a hydroxyl group (OH) or a thiol group (SH); a cycloalkyl group containing from 3 to 20 carbon atoms; an alkoxy group containing from 1 to 2 carbon atoms; an aryl group containing from 6 to 12 carbon atoms, optionally substituted with at least one group chosen from a hydroxyl group (OH) or a thiol group (SH);
A represents an alkylene group containing from 1 to 4 carbon atoms;
m denotes an integer ranging from 1 to 10; and
n denotes an integer ranging from 1 to 50.