Cyan dye-donor element used in thermal dye transfer
US4695287A · kind A · utility
42Cited by
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20Claims
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Assignee
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Key dates
| Filing date | Sep 26, 1986 |
| Grant date | Sep 22, 1987 |
| Priority date | — |
| Expiry date | Sep 26, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A cyan dye-donor element for thermal dye transfer comprises a support having thereon a cyan dye dispersed in a polymeric binder, the cyan dye comprising a 2-carbamoyl-4-[N-(p-substituted aminoaryl)imino]-1,4-naphthoquinone. In a preferred embodiment, the cyan dye has the formula ##STR1## wherein R.sup.1, R.sup.2, and R.sup.5 are substituted or unsubstituted alkyl, cycloalkyl, or aryl; and PA0 R.sup.3 and R.sup.4 are hydrogen; substituted or unsubstituted alkyl; halogen; --NHCOR.sup.1 or --NHSO.sub.2 R.sup.1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.