Patent · US Expired

Diquaternary ammonium salts and the use thereof as textile finishing agents

US4906413A · kind A · utility

7Cited by
7References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 10, 1988
Grant dateMar 6, 1990
Priority date
Expiry dateNov 10, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T442/277
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

Diquaternary ammonium salts of the formula ##STR1## wherein A.sub.1 and A.sub.2 are each independently of the other C.sub.2 -C.sub.5 alkylene, PA1 Q.sub.1 and Q.sub.2 are each independently of the other --NH-- or --O--, PA1 R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are each independently alkyl, hydroxyalkyl or alkoxyalkyl, each containing 1 to 4 carbon atoms in the alkyl moiety, PA1 Y.sub.1.sup.1.crclbar. is the anion of a strong acid, PA1 Z.sub.1 is C.sub.3 -C.sub.24 alkylene which is substituted by hydroxy and may be interrupted by oxygen atoms and PA1 n is 1 or 2. are suitable for use as textile finishing agents.

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