Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
Ink jet recording medium for a pigment ink
 An ink jet recording medium for a pigment ink, which including a substrate, a porous layer of alumina hydrate having a thickness of from 1 to 200 .mu.m, formed on the substrate, and a water-soluble resin layer having a thickness of from 0.01 to 50 .mu.m, formed as an upper layer thereon. 
Asahi Glass Company
B B B B
B41M B41M B41M B41M
additional inventional inventional additional
Masaaki Hitoshi Sumito Shinichi
Saito Kijimuta Terayama Suzuki