Heat sensitive transfer medium
US4529993A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 6, 1984 |
| Grant date | Jul 16, 1985 |
| Priority date | — |
| Expiry date | Jun 6, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M5/3825
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The heat sensitive transfer medium according to the present invention is characterized in that it comprises a transfer sheet having a transfer layer consisted essentially of a leuco-dye color former and a receiving sheet having a receiving layer consisted essentially of a developer for said leuco-dye and a binder and that said transfer layer further contains 0.01 to 1 part by weight of polyester resin which has a melting point of 50.degree. to 130.degree. C. and a repetition unit represented by the formula: ##STR1## together with 0.01 to 1 part by weight of a porous filler which has an oil absorption of 50 ml or more/100 g, respectively per part by weight of said leuco-dye.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.