Process for dyeing or printing polyamide material
US4098570A · kind A · utility
2Cited by
0References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 4, 1977 |
| Grant date | Jul 4, 1978 |
| Priority date | — |
| Expiry date | Apr 4, 1997 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P3/241
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A process for dyeing or printing materials made from natural or synthetic polyamide, which process comprises treating these materials with a dye liquor or printing paste containing the dye of the formula I ##STR1## wherein R represents hydrogen or a metal cation, as well as water and, optionally, further additives.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.