Heat-sensitive recording material containing oxonol dye
US6835692B2 · kind B2 · utility
0Cited by
1References
5Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 6, 2003 |
| Grant date | Dec 28, 2004 |
| Priority date | — |
| Expiry date | Oct 6, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M5/287
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention provides a heat-sensitive recording material having a support and a heat-sensitive recording layer, which contains a diazonium salt compound and a coupler compound that reacts with the diazonium salt to develop a color, wherein the recording material contains an oxonol dye.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.