Complexing agent for thermal color proofing
US6194349A · kind A · utility
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1References
20Claims
0Family size
Assignee
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Key dates
| Filing date | Jun 8, 1999 |
| Grant date | Feb 27, 2001 |
| Priority date | — |
| Expiry date | Jun 8, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/914
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A magenta dye-donor element for thermal dye transfer comprising a support having thereon a dye layer comprising a mixture of magenta dyes and a yellow dye dispersed in a polymeric binder, at least one of the magenta dyes having the formula: ##STR1## at least another of the magenta dyes having the formula: ##STR2## said yellow dye having the formula: ##STR3## and said element contains a complexing agent having the formula: ##STR4##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.