Thermal transfer recording sheet and ink composition for producing the same
US5189008A · kind A · utility
4Cited by
1References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 13, 1991 |
| Grant date | Feb 23, 1993 |
| Priority date | — |
| Expiry date | Feb 13, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A thermal transfer recording sheet comprising a substrate having thereon a colorant layer, the colorant layer comprising a binder and a pyridone-type azo dyestuff represented by the following general formula (I): ##STR1## wherein R represents a hydrogen atom, an alkyl group having 2 or more carbon atoms, a substituted alkyl group, a cycloalkyl group, an allyl group, or a substituted or unsubstituted phenyl group is disclosed. A thermal transfer recording ink composition for use in forming the colorant layer on a substrate is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.