Patent · US Expired

Stable liquid nonaqueous detergent compositions

US4874537A · kind A · utility

21Cited by
36References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 28, 1988
Grant dateOct 17, 1989
Priority date
Expiry dateSep 28, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC11D3/3418
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present invention provides a stable liquid, substantially nonaqueous, detergent comprising, by weight percent: PA0 (a) 20-90% of a liquid portion which comprises an alkoxylated nonionic surfactant; PA0 (b) a solids portion which comprises: PA1 (i) 5-50% of a builder; PA1 (ii) 0-20% of an oxidant; said solids being stably suspended in said liquid portion, by means of PA0 (c) a phase stabilizing amount of a lower alkylated fused ring polyarylene sulfonate; and PA0 (d) 0-5% of a hydrolytic enzyme. Further desirable adjuncts may be added to the liquid compositions of this invention.

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