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. 17, 2000
Filed:
Dec. 11, 1997
Applicant:
Inventors:
Kenji Tamura, Kawasaki, JP;
Hideki Hayashida, Tokyo, JP;
Hiroyuki Takahashi, Tokyo, JP;
Teruo Hosokawa, Kawasaki, JP;
Assignee:
Showa Denko K.K., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
4284111 ; 428195 ; 428211 ; 428332 ; 428335 ; 428336 ;
Abstract
Disclosed is a recording medium having a surface layer containing a compound having a layer structure on the recording medium, wherein exchangeable anions are present between layers of the compound and at least a part of said exchangeable anions are monovalent anions. The recording medium has excellent ink absorption property, fixing property of coloring matters and clearness, and is capable of forming an image of excellent sharpness and water resistance.