Patent · US Expired

Quaternary 2-alkylimidazolinium salts as fabric softeners

US4865614A · kind A · utility

6Cited by
11References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 3, 1987
Grant dateSep 12, 1989
Priority date
Expiry dateJun 3, 2007

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD06M13/352
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The reaction of 2-alkylimidazolines with ethylene oxide or propylene oxide gives quaternary 2-alkyl-2-imidazolinium salts corresponding to the following general formula ##STR1## wherein R.sup.1 represents a straight-chain or branched-chain substituted or unsubstituted alkyl or alkenyl radical containing from 7 to 21 carbon atoms, PA1 R.sup.2 represents one of the following radicals ##STR2## R.sup.3 represents hydrogen or methyl, R.sup.4 represents hydrogen or methyl, PA1 X.sup..crclbar. represents the anion of a non-oxidizing and non-corrosive inorganic acid or of an organic mono- or polycarboxylic acid, PA1 n statistically represents a whole or fraction number of from 1 to 20, and PA1 m represents an integer of from 1 to 3, which may be used for softening laundered fabrics.

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