Thermosensitive recording paper
US5151404A · kind A · utility
3Cited by
1References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 7, 1990 |
| Grant date | Sep 29, 1992 |
| Priority date | — |
| Expiry date | Dec 7, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31993
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A thermosensitive recording paper comprising a support sheet and a thermosensitive coloring layer formed thereon, which support sheet comprises needle-leaf tree pulp in an amount ratio of 10 to 50 wt. % of the absolute dry weight of the support sheet, with the maximum length of the fibers in the needle-leaf tree pulp being 4 mm or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.