Patent · US Expired

Cosmetic preparations

US4177260A · kind A · utility

9Cited by

3References

9Claims

0Family size

Assignee

Wella GmbH · DE

Inventor

Theodor Wajaroff · Darmstadt, DE

Key dates

Filing date	Apr 5, 1977
Grant date	Dec 4, 1979
Priority date	—
Expiry date	Apr 5, 1997

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61Q19/00
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Improved cosmetic compositions comprising aqueous preparations on the basis of keratin softening agents and also containing a swelling and penetration substance wherein as the swelling and penetration substance imidazolidinone-(2) is used.

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