Mixture of dyes for cyan dye donor for thermal color proofing
US5177052A · kind A · utility
11Cited by
3References
20Claims
0Family size
Assignee
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Key dates
| Filing date | Jul 25, 1991 |
| Grant date | Jan 5, 1993 |
| Priority date | — |
| Expiry date | Jul 25, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24802
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A cyan dye-donor element for thermal dye transfer comprising a yellow dye and a mixture of cyan dyes dispersed in a polymeric binder, at least one of the cyan dyes having the formula: ##STR1##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.