Process for preparing polymeric fibers based on blends of at least two polymers
US6780941B2 · kind B2 · utility
27Cited by
24References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 7, 2001 |
| Grant date | Aug 24, 2004 |
| Priority date | — |
| Expiry date | May 17, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/3163
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Blending of thermoplastic polyester with fiber-forming polyamide in the production of melt-colored melt-spun fibers results in improved color strength and aesthetics, and dimensional stability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.