Light-fast dyeing of synthetic polyamide fibers: anionic dye, oxazolo-anilide and a copper complex
US5045083A · kind A · utility
4Cited by
9References
39Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 22, 1990 |
| Grant date | Sep 3, 1991 |
| Priority date | — |
| Expiry date | Feb 22, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/924
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a process for dyeing polyamide comprising PA1 a) one or more oxanilide U.V. absorbers (hereinafter defined as component a); PA1 b) one or more copper complexes, (hereinafter defined as component b); and PA1 c) one or more metal-free or metallized acid dyes in particular 1:2 metal complex dyes (hereinafter defined as component c) optionally together with one or more dyeing assistants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.