Process for protecting dyed nylon fibers from colorants and chemical agents
US6814758B1 · kind B1 · utility
5Cited by
16References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 22, 2002 |
| Grant date | Nov 9, 2004 |
| Priority date | — |
| Expiry date | Jul 26, 2022 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06M15/412
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Nylon fibers are protected from colorant staining by treating them with at least 2% we/wt (weight dry SAC/weight dry nylon fiber) of sulfonated aromatic aldehyde condensation product. The treated fibers are then fixed by the wet heat method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.