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. 18, 1994
Filed:
Jan. 14, 1992
Applicant:
Inventors:
Takashi Ohmori, Tokyo, JP;
Tadashi Yamagata, Tokyo, JP;
Atsushi Ono, Tokyo, JP;
Yutaka Kojima, Tokyo, JP;
Assignee:
Jujo Paper Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
428195 ; 428 357 ; 428206 ; 428292 ; 428323 ; 428341 ; 428484 ;
Abstract
This invention relates to a recording sheet for an ink jet printer comprising fibrous base material and a back-coating layer formed on the back surface of the base material, which characterized by that the base material contains a cationic polymer size (a), and the back-coating layer comprises a pigment, a binder and two or more of sizes (b1) and (b2), said size (b1) being alkyl ketene dimer, alkenyl succinic anhydride, or wax emulsion, and said size (b2) being a cationic polymer.