Recording sheet for an ink jet printer
US5264275A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 24, 1992 |
| Grant date | Nov 23, 1993 |
| Priority date | — |
| Expiry date | Jul 24, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A recording sheet for an ink jet printer, which comprises a substrate, a lower layer of porous pseudo-boehmite having an average pore radius of from 20 to 80 .ANG. formed in a thickness of from 5 to 60 .mu.m on the substrate and an upper layer of porous pseudo-boehmite having an average pore radius of from 40 to 150 .ANG. formed in a thickness of from 2 to 30 .mu.m on the lower layer, the average pore radius of the upper layer being larger than that of the lower layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.