Patent · US Expired

Aqeous or aqueous-alcoholic hair-cosmetic formulation

US5897870A · kind A · utility

13Cited by

3References

6Claims

0Family size

Assignee

BASF SE

Inventors

Volker Schehlmann · Schifferstadt, DE
Peter Hossel · Schifferstadt, DE

Key dates

Filing date	Sep 16, 1997
Grant date	Apr 27, 1999
Priority date	—
Expiry date	Sep 16, 2017

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61Q5/06
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

An aqueous or aqueous-alcoholic hair-cosmetic formulation comprising as film former copolymers based on (meth)acrylate which have a K value of 20-150 are obtainable by free-radical polymerization of PA1 (a) 40-65% by weight of acrylic acid and/or methacrylic acid, PA1 (b) 14-60% by weight of alkyl (meth)acrylate, and PA1 (c) 0-50% by weight of a further free-radically polymerizable monomer or a mixture thereof; 20-100% of the carboxyl groups of the copolymer being neutralized.

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