Thermosensitive recording material
US4507670A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 24, 1984 |
| Grant date | Mar 26, 1985 |
| Priority date | — |
| Expiry date | Jan 24, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M5/3333
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A thermosensitive recording material comprising a support material and a thermosensitive recording layer formed thereon, in which thermosensitive coloring layer, colored images are formed by the reaction between a colorless or light-colored leuco dye of the following formula (I) and a color developer of the following formula (II) which is capable of inducing color formation in the leuco dye upon application of heat thereto, ##STR1## wherein R.sup.1 and R.sup.2 each indicate a lower alkyl group, and X indicates halogen, ##STR2## wherein R.sup.3 and R.sup.4 each indicate hydrogen, halogen, an alkyl group, an acyl group, a halogenated alkyl group or an unsubstituted or substituted aromatic group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.