Black dye mixtures of fiber-reactive azo dyes, methods for their preparation and use thereof for dyeing hydroxy-and/or carboxamido-containing fiber material
US6712863B2 · kind B2 · utility
3Cited by
6References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 26, 2001 |
| Grant date | Mar 30, 2004 |
| Priority date | — |
| Expiry date | Nov 26, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/918
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A dye mixture comprising a disazo dye conforming to the general formula (1), and one or more monoazo dyes conforming to the general formula and a dye of the general formula (3) whereinY, M R1 to R12 and L1 to L3 are defined as given in claim 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.