Heat-sensitive recording material
US7989389B2 · kind B2 · utility
0Cited by
7References
12Claims
0Family size
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Key dates
| Filing date | Mar 12, 2008 |
| Grant date | Aug 2, 2011 |
| Priority date | — |
| Expiry date | Jun 2, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/14
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention provides a heat-sensitive recording material having a support, a heat-sensitive color-developing layer containing a leuco dye and a developer, and a protective layer, the heat-sensitive color-developing layer and the protective layer being formed on the support, wherein carboxylic-acid-modified polyvinyl alcohol with a weight average degree of polymerization of 100 to 400 and a modification degree of 0.2 mol % to 1.0 mol % is used as a dispersing agent for dispersing the leuco dye.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.