Dye mixtures
US4731094A · kind A · utility
3Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 1987 |
| Grant date | Mar 15, 1988 |
| Priority date | — |
| Expiry date | Apr 1, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/922
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Mixtures comprising 75 to 99% by weight of a dye of formula ##STR1## wherein X is hydrogen, chlorine, bromine or methyl, and PA0 KK is the radical of a coupling component that does not contain water solubilizing groups, and 1 to 25% by weight of a dye of formula ##STR2## wherein X and KK have the given meanings and Y is chlorine or bromine, are suitable for dyeing polyester materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.