Invention Grant
- Patent Title: Ink jet recording sheet
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Application No.: US09994352Application Date: 2001-11-26
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Publication No.: US06576326B2Publication Date: 2003-06-10
- Inventor: Osamu Hatano , Eisaku Katoh , Masayuki Ushiku , Yoshinori Tsubaki , Hiroto Itoh
- Applicant: Osamu Hatano , Eisaku Katoh , Masayuki Ushiku , Yoshinori Tsubaki , Hiroto Itoh
- Priority: JP2000-359051 20001127
- Main IPC: B32B2714
- IPC: B32B2714

Abstract:
An ink jet recording sheet comprising a support having thereon a porous ink absorptive layer comprising, inorganic particles, polyvinyl alcohol and a zirconium compound or an aluminum compound, wherein the ink absorptive layer exhibits a concentration gradient of said zirconium compound or the aluminum compound, wherein the concentration increases from the surface of the support towards the surface of the ink absorptive layer.
Public/Granted literature
- US20020094420A1 Ink jet recording sheet Public/Granted day:2002-07-18
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