Patent · US Expired

Detergent compositions comprising methyl cellulose ether

US5837666A · kind A · utility

11Cited by
9References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 16, 1996
Grant dateNov 17, 1998
Priority date
Expiry dateDec 16, 2016

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC11D1/72
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Detergent compositions comprise from 0.05 to 2 percent by weight of methyl cellulose ether having a solution viscosity measured at a temperature of 20.degree. C. as a 2 wt % aqueous solution of from 80 to 120 centipoise and an average degree of methyl substitution per anhydroglucose of from about 1.6 to about 2.3, from 25 to 65 percent by weight of detergent surfactant, from 0 to 20 percent by weight of bleaching component, and from 30 to 70 percent by weight of builder and alkaline material. The compositions may be used in a method of washing polyester fabric in cold water.

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