Patent · US Expired

Cosmetic

US6277386A · kind A · utility

28Cited by

8References

16Claims

0Family size

Assignee

BASF SE

Inventors

Son Nguyen Kim · Hemsbach, DE
Axel Sanner · Bischofswerda, DE
Wilma M. Dausch · Schifferstadt, DE
Volker Schehlmann · Schifferstadt, DE

Key dates

Filing date	Feb 22, 1999
Grant date	Aug 21, 2001
Priority date	—
Expiry date	Feb 22, 2019

Classification

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

Abstract

A cosmetic or pharmaceutical composition which comprises at least one water-soluble or water-dispersible polyurethane of a) at least one polymer having two active hydrogen atoms per molecule which is selected from polytetrahydrofurans, polysiloxanes and mixtures thereof, b) at least one polyesterdiol, c) at least one compound comprising two active hydrogens per molecule and having a molecular weight of 56-300, d) at least one compound which contains two active hydrogen atoms and at least one anionogenic or anionic group per molecule, e) at least one diisocyanate, or a salt thereof, said polyurethane not comprising any unit which originates from a primary or secondary amine having an ionogenic or ionic group.

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