Carpets treated for soil resistance
US6824854B2 · kind B2 · utility
4Cited by
27References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 29, 2002 |
| Grant date | Nov 30, 2004 |
| Priority date | — |
| Expiry date | Feb 5, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/2287
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A carpet treated with a soil resist agent comprising a dispersion of a polyfluoro organic compound having a least one of a urea, urethane or ester linkage, and at least one anionic surfactant, wherein the ratio of polyfluoro organic compound to surfactant is from about 0.075:1.0 to about 5:1 is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.