Textile scouring
US4080164A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 1, 1976 |
| Grant date | Mar 21, 1978 |
| Priority date | — |
| Expiry date | Jun 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.