Patent · US Expired

Ink jet recording medium having a coating containing cellulose ethers and optical brighteners

US6238804A · kind A · utility

6Cited by
6References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 3, 1999
Grant dateMay 29, 2001
Priority date
Expiry dateMar 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.