Carpet, stainproofing agent for carpet and method for treating the carpet
US6794010B1 · kind B1 · utility
2Cited by
14References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 5, 1999 |
| Grant date | Sep 21, 2004 |
| Priority date | — |
| Expiry date | Aug 5, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/23993
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The relates to a carpet comprising a stainproof-treated textile, wherein the carpet has stainproof ratio (%) of at least 30% as defined below:Stainproof ratio (%)=100×(&Dgr;EN−&Dgr;ETn)/&Dgr;EN&Dgr;EN: Color difference after stainproof test of untreated carpet;&Dgr;ETn: Color difference after stainproof test of carpet treated by the stainproof agent;n: the number of cleaning; cleaning is conducted according to AATCC-138, n≦20.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.