Method and solution for the room temperature dyeing of nylon
US4309177A · kind A · utility
2Cited by
4References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 31, 1979 |
| Grant date | Jan 5, 1982 |
| Priority date | — |
| Expiry date | Dec 31, 1999 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P3/241
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method for color dyeing nylon articles and the like utilizing a room temperature dye solution comprises mixing a dyestuff with formic acid to form a dye solution such that the final solution contains 30-60% formic acid in an aqueous solution by volume, applying said dye solution to the area of the nylon article to be colored, and after the dye solution has remained on said article for a predetermined length of time, rinsing the article.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.