Copolyester fibers suitable for use in carpets
US5049430A · kind A · utility
0Cited by
7References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 10, 1989 |
| Grant date | Sep 17, 1991 |
| Priority date | — |
| Expiry date | Mar 10, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2913
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Copolyester fibers susceptible of enhanced dyeability on continuous dye equipment and which have improved recovery from compression are prepared from a poly(alkylene terephthalate) such as poly(ethylene terephthalate) containing 9 to 17 weight percent of a poly(tetramethylene ether) glycol having a molecular weight of 500 to 1500.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.