Solid dye mixtures for dyeing polyacrylonitrile navy blue to black
US4508536A · kind A · utility
3Cited by
1References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 14, 1983 |
| Grant date | Apr 2, 1985 |
| Priority date | — |
| Expiry date | Nov 14, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S534/01
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A preparation containing a mixture of dyes for dyeing polyacrylonitrile materials in navy blue to black shades, the dyeings obtained being distinguished in particular by a very good fastness to light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.