Water- and oil-repellent treatment of textile
US6472019B1 · kind B1 · utility
23Cited by
5References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2002 |
| Grant date | Oct 29, 2002 |
| Priority date | — |
| Expiry date | Mar 12, 2022 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06M2200/12
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Excellent water repellency, Oil repellency, stain block property and yellowing-resistance are imparted to a textile by a method of preparing a treated textile has the steps of (1) preparing a treatment liquid containing a water- and oil-repellent agent and a stain blocking agent, (2) bringing a pH of the treatment liquid to at most 7, (3) applying the treatment liquid to the textile, (4) treating the textile with steam, and (5) washing the textile with water and dehydrating the textile. The treatment liquid contains a sulfated fatty acid compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.