Patent number: 6270881
Abstract: Disclosed herein is a recording medium for ink-jet, comprising a substrate composed of kenaf paper, and an ink-receiving layer provided on the substrate, wherein the ink-receiving layer comprises an alumina hydrate, a compound represented by the general formula
wherein R1, R2, R3 and R4 are, independently of one another, a substituted or unsubstituted alkyl group, and X1− is an anion of a fluoride, chloride, bromide, iodide, astatide, sulfate, alkoxylsulfate, sulfite, phosphate, phosphite, perchlorate, perbromate, periodate or chlorate, and a compound represented by the general formula
wherein R5, R6, R7 and R8 are, independently of one another, a substituted or unsubstituted alkyl group except that at least one of R5, R6, R7 and R8 is a substituted or unsubstituted aryl or arylalkyl group, and X1− is an anion of a fluoride, chloride, bromide, iodide, astatide, sulfate, alkoxylsulfate, sulfite, phosphate, phosphite, perchlorate, perbromate, periodate or chlorate
Type:
Grant
Filed:
September 11, 1998
Date of Patent:
August 7, 2001
Assignee:
Canon Kabushiki Kaisha
Inventors:
Toshiya Yuasa, Motokazu Kobayashi