Processes for removing impurities from textile materials
US4234311A · kind A · utility
2Cited by
8References
25Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 27, 1979 |
| Grant date | Nov 18, 1980 |
| Priority date | — |
| Expiry date | Jun 27, 1999 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06B9/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An aqueous solution containing impurities such as size is applied to a textile material and the textile material subsequently is exposed to treatment by an organic. solvent. Between the application of the aqueous solution and the exposure of the material to the solvent, the material is exposed to a saturated steam treatment in which the impurities are dissolved or degraded.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.