Patent · US Active

Preparation method for esterquats based on oil

US11434193B2 · kind B2 · utility

0Cited by

10References

20Claims

0Family size

Assignee

Evonik Operations GmbH · DE

Inventors

Guangyuan Ma · Shanghai, CN
Xiangyu Yang · Suzhou, CN
Xiaoling Wang · Hefei, CN
Hans Henning Wenk · Mülheim an der Ruhr, DE
Jiashu Wang · Shanghai, CN
Jianmin XU · Nanhu, CN
Liang Bao · Nanjing, CN

Key dates

Filing date	Jun 26, 2018
Grant date	Sep 6, 2022
Priority date	—
Expiry date	Jun 26, 2038

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD06M2200/50
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to a process for producing an esterquat by a transesterification reaction of a fatty acid oil or a mixture comprising one or more fatty acid oils and one or more fatty acids with a tertiary hydroxy amine and then a quaternization reaction. Esterquats obtained by the method of the invention show beneficial properties in particular when used as active component in fabric softener materials.

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