Patent · US Expired

Quaternary fatty acid triethanolamine ester salts and their use as fabric softeners

US6521589B2 · kind B2 · utility

23Cited by
5References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 22, 1999
Grant dateFeb 18, 2003
Priority date
Expiry dateDec 22, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC11D3/2048
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present invention relates to biodegradable softener compounds of the formula (1): [(R)4-m—N(+)—[(CH2)n—Y—R1]m]X(−) with an acid value of no more than 6.5. A process for making said compound is also provided. The softener can be incorporated into softener compositions to form solid and liquid compositions, including liquid dispersions and clear compositions.

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