Thermosensitive recording sheet
US4628336A · kind A · utility
4Cited by
0References
8Claims
0Family size
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Key dates
| Filing date | Jul 11, 1985 |
| Grant date | Dec 9, 1986 |
| Priority date | — |
| Expiry date | Jul 11, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M5/3375
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A thermosensitive recording sheet having a thermosensitive color developing layer containing a basic leuco dye and an organic color developer, said layer containing a polyphenyl ester compound of the general formula ##STR1## wherein R.sup.1 and R.sup.2, independently from each other, represent an alkyl group, a cycloalkyl group, or an aryl, aralkyl or aryloxyalkyl group which may have at least one substituent selected from the class consisting of halogen atoms, nitro groups, hydroxyl groups, lower alkyl groups and lower alkoxy groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.