Thermosensitive recording material
US5447900A · kind A · utility
24Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 15, 1994 |
| Grant date | Sep 5, 1995 |
| Priority date | — |
| Expiry date | Sep 15, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M5/3335
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A thermosensitive recording material having a support and a thermosensitive coloring layer which is formed on the support and contains a leuco dye and a color developer capable of inducing color formation in the leuco dye upon application of heat thereto, with the color developer including one compound with an acid dissociation constant (pKa) of 7.0 or less in a mixed solvent of water and methanol with a volume ratio of 1:1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.