Patent · US Active

Cosmetic compositions containing block copolymers, tackifiers and a selective solvent for hard blocks

US8673284B2 · kind B2 · utility

5Cited by

73References

29Claims

0Family size

Assignee

L'Oreal · FR

Inventors

Hy Si Bui · Piscataway, US
Shaoxiang Lu · Plainsboro, US
Francois Pradier · Fontenay-aux-Roses, FR
Ramon Mercado · Clifton, US

Key dates

Filing date	May 3, 2006
Grant date	Mar 18, 2014
Priority date	—
Expiry date	Feb 18, 2030

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K8/8117
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A cosmetic composition containing at least one block copolymer having at least one hard segment and at least one soft segment, at least one tackifier component, at least one solvent capable of solubilizing the at least one hard segment, and optionally, at least one colorant, and wherein the at least one hard segment has a Tg value of about 50° C. or more and the at least one soft segment has a Tg value of about 20° C. or less.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.