Process for dyeing linear polyamides in the melt
US4263197A · kind A · utility
6Cited by
2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 1979 |
| Grant date | Apr 21, 1981 |
| Priority date | — |
| Expiry date | Sep 27, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B45/482
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for dyeing linear polyamides in the melt, in which process there are used salts from 1:2 chromium complexes of monoazo dyes and amines containing 1-18 C atoms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.