Inkable sheet
US4722868A · kind A · utility
12Cited by
3References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 14, 1986 |
| Grant date | Feb 2, 1988 |
| Priority date | — |
| Expiry date | Apr 14, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/3179
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An inkable sheet comprises a base sheet, such as a PET film, having on a surface thereof an ink-absorbent resin matrix comprising a vinyl pyrrolidone polymer and an ester of cellulose containing free carboxylic acid groups. A preferred matrix additionally comprises a vinyl alcohol polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.