Patent · US Expired

Cosmetic formulations of quaternary ammonium compounds free of short-chain alcohols

US6919074B2 · kind B2 · utility

5Cited by

8References

38Claims

0Family size

Assignee

Clariant Corporation · DE

Inventors

Robert Milbradt · Wiesbaden, DE
Sonja Klein · Wemding, DE
Franz-Xaver Scherl · Altötting, DE
Erich Gatter · Burgkirchen an der Alz, DE
Adelgunde Oberhauser · Tönning, DE

Key dates

Filing date	May 28, 2002
Grant date	Jul 19, 2005
Priority date	—
Expiry date	Feb 8, 2023

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S424/01
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Cosmetic, dermatological and pharmaceutical compositions containing quaternary ammonium compounds, particularly for hair-treatment, require low setting points, good solubility and dispersibility in aqueous media and a low flash point. It has now been found that such compositions can be formulated with quaternary ammonium compounds essentially free of short-chain alcohols such as isopropanol. The novel composition comprises:

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