Transfer sheet for thermal transfer recording
US4816435A · kind A · utility
20Cited by
1References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 27, 1987 |
| Grant date | Mar 28, 1989 |
| Priority date | — |
| Expiry date | May 27, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A transfer sheet for thermal transfer recording system having a color material layer containing sublimable dyes on one surface of a base film, and said color material layer is a black color material layer containing sublimable dyes represented by following formulae (I), (II) and (III); ##STR1## in the above formulae, X and Y represent a hydrogen atom or a methyl group; --A-- represents --CO--, --COO--, or --SO.sub.2 --; and R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, and R.sup.7 represent a hydrogen atom or a substituted or unsubstituted alkyl group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.