Process for dyeing high-molecular organic material in the melt
US4211688A · kind A · utility
2Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 6, 1978 |
| Grant date | Jul 8, 1980 |
| Priority date | — |
| Expiry date | Jun 6, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/3492
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Process for the dyeing of high-molecular organic material in the melt, in which process there is used as coloring substance an anthraquinone compound of the formula ##STR1## wherein R represents straight-chain or branched-chain alkyl having 1 to 17 C atoms, X.sub.1 and X.sub.2 represent hydrogen or benzoylamino, or X.sub.1 represents hydrogen and X.sub.2 represents benzoylamino.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.