Dye donor element for use in thermal dye transfer printing
US5674804A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 1, 1995 |
| Grant date | Oct 7, 1997 |
| Priority date | — |
| Expiry date | Nov 1, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/277
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention discloses a dye-donor element for use according to dye diffusion thermal transfer printing comprising on one side of a support a heat-resistant layer and on a side of the support opposite thereto a donor layer comprising a dye, a binder and a surfactant, said surfactant being a copolymer corresponding to the general formula (I) ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 each independently represent an alkyl group R.sup.4 represents an aralkyl group m and n represent the molar fractions of the respective units in the copolymer and have a value of 0.01 to 0.99 with the provision that the sum of m and n equals 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.