Thermosensitive recording materials
US4996183A · kind A · utility
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6Claims
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Key dates
| Filing date | Mar 28, 1989 |
| Grant date | Feb 26, 1991 |
| Priority date | — |
| Expiry date | Mar 28, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M5/3372
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A thermosensitive recording material having a thermosensitive color forming layer containing a specific dispersing agent and binder mixture showing a softening point of at least 70.degree. C. can minimize occurrence of head stain at a thermal head in thermosensitive recording. The combination of sulfonic acid-containing polyvinyl alcohol and polyacrylamide or acrylamide-acrylonitrile copolymer is preferable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.