Method of dyeing a high heat-resistant synthetic fiber material
US5447540A · kind A · utility
16Cited by
1References
5Claims
0Family size
Assignee
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Key dates
| Filing date | Mar 7, 1994 |
| Grant date | Sep 5, 1995 |
| Priority date | — |
| Expiry date | Mar 7, 2014 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P3/26
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A high heat-resistant synthetic fiber material containing, for example, aramid, PEEK, or PEN fibers, that can be dyed uniformly at a high color density, with a dye dissolved or dispersed in a liquid medium, for example, water, and having a molecular weight of 330 to 400, at a dyeing temperature of 150.degree. C. or more within a closed system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.