Black dye composition and black ink composition for textile digital printing
US7524368B2 · kind B2 · utility
3Cited by
14References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 10, 2007 |
| Grant date | Apr 28, 2009 |
| Priority date | — |
| Expiry date | Sep 10, 2027 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P5/30
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a black dye composition, comprising: (a) at least one azo dye of the following formula (I),(b) at least one azo dye of the following formula (II) or (III),wherein R1, R2, and R3 are defined the same as the specification. The present invention also relates to a black ink composition afforded from the aforementioned black dye composition. The black ink composition of the present invention for textile digital printing exhibits the properties of excellent color depth, fixation, stability of storage, stability and accuracy of printing for long time, and improves the issue of nozzle cloggage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.