Patent · US Expired

Process for the production of quaternary ammonium salts of fatty acid hydroxyalkanesulfonic acids

US5523432A · kind A · utility

4Cited by

1References

9Claims

0Family size

Assignee

Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

Hans-Christian Raths · Monheim, DE
Rainer Rueben · Monheim, DE
Manfred Biermann · Wiesloch, DE
Timothy J. Cassady · Hamilton, US

Key dates

Filing date	Apr 7, 1994
Grant date	Jun 4, 1996
Priority date	—
Expiry date	Apr 7, 2014

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C303/32
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Quaternary ammonium salts of fatty acid hydroxyalkanesulfonic acids are made by reacting a hydroxyalkanesulfonic acid of the formula (I): EQU HO--(C.sub.n H.sub.2n)--SO.sub.3 H (I): wherein n=2 to 4 with a fatty acid having from 6 to 18 carbon atoms at a temperature range of from about 60.degree. C. to about 120.degree. C. and at a reduced pressure followed b reaction with an amine in an organic solvent.

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