Process for preparing polymeric fibers based on blends of at least two polymers
US8021584B2 · kind B2 · utility
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22Claims
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Key dates
| Filing date | Jan 23, 2004 |
| Grant date | Sep 20, 2011 |
| Priority date | — |
| Expiry date | Nov 20, 2025 |
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.