Patent · US Expired

Recording sheet for an ink jet printer

US5264275A · kind A · utility

57Cited by
1References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 24, 1992
Grant dateNov 23, 1993
Priority date
Expiry dateJul 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.