Thermally sensitive recording medium
US7378374B2 · kind B2 · utility
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7Claims
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Key dates
| Filing date | Aug 28, 2003 |
| Grant date | May 27, 2008 |
| Priority date | — |
| Expiry date | Aug 21, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M5/44
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A thermally sensitive recording medium containing a thermally sensitive recording medium providing an undercoating layer containing a pigment and a binder as main components and a thermally sensitive recording layer containing a colorless or pale colored basic leuco dye and a color developing agent, which reacts with said basic leuco dye, as main components on a substrate, wherein the undercoating layer contains carboxymethyl cellulose having an etherification degree of from 0.55 to 0.75 and hydroxyethyl cellulose from the view point of high effectiveness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.