Thermosensitive recording material
US5384303A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 22, 1992 |
| Grant date | Jan 24, 1995 |
| Priority date | — |
| Expiry date | Jul 22, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M5/3335
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A thermosensitive recording material capable of forming colored images having an excellent resistance to oily and fatty substances and plasticizers, even immediately after the formation of the colored image, comprises a thermosensitive colored image-forming layer formed on a substrate sheet and comprising a substantially colorless dye precursor, a color-developing agent comprising at least one diphenolcarboxylic acid compound of the formula ##STR1## wherein R.sup.1, R.sup.2 =H, halogen, alkyl, alkoxyl, acryl or aryl, R.sup.3 =H or alkyl, and n=0 or 1 to 8, a binder, and optionally, a colored image-stabilizing agent comprising at least one member selected from organic aziridine and epoxy compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.