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:
Oct. 15, 2002
Filed:
May. 13, 1998
Applicant:
Inventors:
Assignee:
Oji Paper Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/00 ;
U.S. Cl.
CPC ...
B32B 5/00 ;
Abstract
An ink jet recording material having high gloss, a good ink-absorbing property, and high color density of the ink image includes at least one underrecording layer and at least one upper recording layer formed on a support and each containing fine pigment particles having an average primary particle size of 3 to 40 nm and an average secondary particle size of 10 to 400 nm, the pigment particles in the underrecording layer having a larger primary particle size than those in the upperrecording layer.