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:
Jan. 07, 2003
Filed:
Nov. 04, 1999
Applicant:
Inventors:
Assignee:
Konica Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 2/714 ; B32B 3/00 ;
U.S. Cl.
CPC ...
B32B 2/714 ; B32B 3/00 ;
Abstract
In an ink jet recording sheet having an ink absorptive layer comprising hydrophilic binder, fine particles having average particle diameter of not more than 200 nm and water soluble cationic polymer having specific structure, wherein the layer surface pH of said ink absorptive layer of 3 to 6.