Monoazo dye for thermal transfer printing
US5512664A · kind A · utility
4Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 20, 1994 |
| Grant date | Apr 30, 1996 |
| Priority date | — |
| Expiry date | Dec 20, 2014 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P5/003
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A new sublimable magenta monoazo dye for thermal transfer printing has a closed ring imido group in an aromatic azo compound, as the following formula: ##STR1## The magenta monoazo dye achieves substantial improvements in stability, hue, gray and color development.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.