Patent · US Expired

Liquid nonionic surfactant combination having improved low-temperaturestability

US5364552A · kind A · utility

19Cited by

8References

20Claims

0Family size

Assignee

Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

Thomas Merz · Hilden, DE
Khalil Shamayeli · Düsseldorf, DE
Werner Kuhlmann · Stephanskirchen, DE

Key dates

Filing date	Mar 22, 1993
Grant date	Nov 15, 1994
Priority date	—
Expiry date	Mar 22, 2013

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC11D1/722
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Liquid nonionic surfactant combination having improved low temperature stability which comprises: PA1 (a) from about 20% to about 50% by weight of an alcohol ethoxylate derived from primary linear C.sub.12-15 alcohols having an average degree of ethoxylation equal to from about 2 to about 7; PA1 (b) from about 20% to about 50% by weight of an alcohol alkoxylate derived from primary saturated alcohols containing 12 to 15 carbon atoms in which the alcohol radical can be linear, methyl-branched in the 2-position, or a mixture of said linear and said methyl-branched radicals, having an average degree of ethoxylation equal to from about 3 to about 7 and an average degree of propoxylation equal to from about 2 to about 8; PA1 (c) from about 5% to about 50% by weight of an alcohol ethoxylate derived from oxoalcohol mixtures of primary, linear, and 2-methyl-branched C.sub.12-15 alcohols having an average degree of ethoxylation equal to from about 2 to about 8.

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