Carpet, stainproofing agent for carpet and method for treating the carpet
US7238753B2 · kind B2 · utility
0Cited by
14References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 17, 2004 |
| Grant date | Jul 3, 2007 |
| Priority date | — |
| Expiry date | Aug 17, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/23993
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The invention 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×(ΔENΔETn)/ΔEN
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.