The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 06, 1999
Filed:
Sep. 23, 1996
Applicant:
Inventors:
Assignee:
Kao Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
428331 ; 428195 ; 428520 ;
Abstract
The present invention provides an ink jet recording sheet having a good printing quality and an excellent ink absorbency. The recording sheet comprises a substrate sheet and an ink-absorbing layer, provided on at least one face of the substrate sheet, containing a water soluble resin or water dispersible resin (A) and an ester group-possessing nonionic surfactant (B) having an HLB of 11 or more, wherein the ratio of the component (A) to the component (B) is (A):(B)=100:0.01 to 30 (weight ratio).