Thermosensitive recording material
US5446010A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 12, 1994 |
| Grant date | Aug 29, 1995 |
| Priority date | — |
| Expiry date | Apr 12, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M5/3333
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A thermosensitive recording material having a high thermosensitivity and useful for recording thereon colored images having high storage persistency, comprises a thermosensitive colored image-forming layer formed on a surface of a substrate sheet and comprising a colorless dye precursor; a color-developing aromatic compound having, per molecule thereof, at least one arylsulfonylureido group of the formula (I): ##STR1## wherein R.sup.1 =aromatic group unsubstituted or substituted with at least one of lower alkyl and lower alkoxyl group and hologen atoms; a sensitizing aromatic amide compound of the formula (II): ##STR2## wherein Ar.sup.1, Ar.sup.2 =non-substituted phenyl or naphthyl group or substituted phenyl or naphthyl group with 1 to 3 substituent selected from aryl, aryloxy, aralkyl, alkyl, alkoxyl, trihalogenomethyl, nitro and alkylamino groups and halogen atoms; and a binder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.