Sulfur-containing imidazole fiber having ionically bonded halides
US9988514B2 · kind B2 · utility
2Cited by
7References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 11, 2012 |
| Grant date | Jun 5, 2018 |
| Priority date | — |
| Expiry date | Dec 6, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249921
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention concerns fiber made from a polymer comprising imidazole groups, fiber further having: i) a halide anion, the halide anion being present in an amount of 0.05 to 20.1 weight percent, based on weight of fiber; and ii) sulfur, wherein the sulfur is present in the fiber in an amount of 0.05 to 3 weight percent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.