Patent · US Expired

Detergent mixtures

US5750490A · kind A · utility

3Cited by
5References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 31, 1996
Grant dateMay 12, 1998
Priority date
Expiry dateJul 31, 2016

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC11D1/146
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Detergent mixtures containing PA1 (a) esterquats corresponding to formulae (I), (II) or (III): ##STR1## in which R.sup.1 CO is an acyl radical containing 6 to 22 carbon atoms, R.sup.2 and R.sup.3 independently of one another represent hydrogen or have the same meaning as R.sup.1 CO, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 independently of one another represent an alkyl group containing 1 to 4 carbon atoms or a (CH.sub.2 CH.sub.2 O).sub.q H group, m, n and p together are 0 or numbers of 1 to 12, q is a number of 1 to 12 and X stands for halide, alkyl sulfate or alkyl phosphate, PA1 (b) soil-repelling polymers containing ethylene terephthalate or polyethylene glycol terephthalate groups, and PA1 (c) from 1% to 50% by weight of alkyl or alkenyl sulfates, based on the weight of the esterquats.

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