Thermal transfer printing
US5011813A · kind A · utility
1Cited by
1References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 19, 1990 |
| Grant date | Apr 30, 1991 |
| Priority date | — |
| Expiry date | Mar 19, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A thermal transfer printing sheet comprising a substrate having a coating comprising a mixture of dyes of 20-50% of Formula I and of 80-50% of Formula II. ##STR1## wherein: R.sup.1 is C.sub.1-12 -alkyl; PA0 x is halogen; and PA0 R.sup.2 is aryl or C.sub.1-4 -alkyl unsubstituted or substituted by C.sub.1-4 -alkoxy, C.sub.1-4 -alkoxy-C.sub.1-4 -alkoxy or aryl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.