Ink jet recording medium having a coating containing cellulose ethers and optical brighteners
US6238804A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 3, 1999 |
| Grant date | May 29, 2001 |
| Priority date | — |
| Expiry date | Mar 3, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31982
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention is directed to an ink jet recording medium, and more particularly to an ink jet recording medium prepared with an ink absorbent coating that is used to receive aqueous dye-based ink. The ink absorbent coating comprises a blend of at least one cellulose ether and stilbene optical brightener. The medium has a .DELTA.E value of no greater than about 5, as measured according to CIE 1976 (L*a*b*) uniform color scale method, after the medium has been imaged with a magenta color-image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.