Patent · US Expired

Aqueous cosmetic compounds

US6335005B1 · kind B1 · utility

6Cited by

1References

29Claims

0Family size

Assignee

BASF SE

Inventors

Wolfgang Muller · Bischofswerda, DE
Bernhard Schlarb · Ludwigshafen, DE
Harm Wiese · Heidelberg, DE
Ellen Pfrommer · Haßloch, DE

Key dates

Filing date	Dec 23, 1999
Grant date	Jan 1, 2002
Priority date	—
Expiry date	Dec 23, 2019

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K8/8152
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The use of an emulsion polymer in aqueous cosmetic compositions, wherein the emulsion polymer is obtainable by emulsion polymerization of a monomer mixture A comprising from 50 to 100% by weight, based on the monomer mixture, of C1-C18 alkyl (meth)acrylates, vinyl esters, vinylaromatic compounds or mixtures thereof in the presence of a polymer B which has been built up fromb1) from 5 to 50% by weight of monomers having at least one ionic group or one group which can be converted into an ionic group,b2) from 0 to 95% by weight of C1-C18 alkyl (meth)acrylates, vinyl esters, vinylaromatic compounds or mixtures thereof, andb3) from 0 to 50% by weight of further monomers,the glass transition temperature of the polymer built up from monomer mixture A being less than or equal to that of the polymer B.

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