Finishing composition that inhibits dye bleed from basic dyed nylon fibers
US8187341B2 · kind B2 · utility
0Cited by
8References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 1, 2011 |
| Grant date | May 29, 2012 |
| Priority date | — |
| Expiry date | Sep 1, 2031 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P3/242
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention provides a process for improving the colorfastness, ozonefastness, and stainresistance of cationic dyeable nylon fibers dyed with basic dyestuffs wherein the process comprises the steps of treating the nylon fibers with a tannic acid product and then fixing the treated nylon fibers by a fixation method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.