Phosphonate polymers, copolymers, and their respective oligomers as flame retardants for polyester fibers
US10724154B2 · kind B2 · utility
0Cited by
19References
27Claims
0Family size
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Key dates
| Filing date | Feb 22, 2016 |
| Grant date | Jul 28, 2020 |
| Priority date | — |
| Expiry date | Feb 27, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/696
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to the use of polyphosphonates, copoly(phosphonate ester)s, copoly(phosphonate carbonate)s, and their respective oligomers, as flame retardant additives for polyester fibers to impart fire resistance while maintaining or improving processing characteristics for melt spinning fibers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.