Patent · US Expired

Textile scouring

US4080164A · kind A · utility

1Cited by
2References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 1, 1976
Grant dateMar 21, 1978
Priority date
Expiry dateJun 1, 1996

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD06L1/12
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Disclosed herein are alkaline baths for scouring textiles containing as a cleaning composition at least 0.05% of a mixture of a nonionic surfactant and a polycarboxylic acid or salt thereof of the formula ##STR1## wherein x and y are integers from 3 to 9, x and y together equal 12, R.sub.1 and R.sub.2 are selected from the group consisting of hydrogen and COOM with at least one of R.sub.1 and R.sub.2 being COOM, and wherein M is a member of the group consisting of hydrogen, sodium, potassium, lithium and ammonium, the proportion of nonionic surfactant to polycarboxylic acid or salt thereof being between about 1:0.4 and about 1:3.

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