| Patent Number |
Title Of Patent |
Date Issued |
| 5824399 |
Multilayered thermal transfer medium with opaque sub-coat |
October 20, 1998 |
| A thermal transfer medium is provided which is sufficiently opaque to be sensed by optical sensing means, yet forms images which can be transparent or semi-transparent (or opaque). The thermal transfer medium comprises a transparent substrate and multi-layer structure of a thin first coa |
| 5744226 |
Multilayerd thermal transfer medium for matte finish printing |
April 28, 1998 |
| A thermal transfer medium which forms images having a matte finish is provided which comprises a substrate, a thin first coating and a thick second coating. The coatings are formulated such that only the second coating transfers to a receiving substrate upon exposure to a thermal pri |
| 5654105 |
Multi-layer thermally transferable printing ribbons |
August 5, 1997 |
| Multi-layer thermally transferable printing ribbons and methods of making the same consisting of elongated backing elements having a subcoat layer requiring a relatively high level of thermal energy to transfer the subcoat layer and a topcoat layer which requires a lower level of thermal |