Patent · US Expired

Pearlescent dispersion with good flow properties and a low surfactant content

US4620976A · kind A · utility

8Cited by

2References

8Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Jochen M. Quack · Eppstein, DE
Alwin Reng · Kelkheim, DE
Werner Skrypzak · Liederbach, DE
Walter Kunz · Oberwil, CH

Key dates

Filing date	Jun 5, 1985
Grant date	Nov 4, 1986
Priority date	—
Expiry date	Jun 5, 2005

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC11D1/75
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Pearlescent dispersions consisting of a fatty acid glycol ester, a fatty acid alkanolamide, one or more surfactants of the formulae ##STR1## in which the individual symbols of these formulae have the meanings given in the description, salts and water in the amount to make up to 100%. Pearlescent dispersions based on these surfactants have the advantage that they already have good flow properties at temperatures below 20.degree. C.

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