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:
Aug. 01, 1989
Filed:
Apr. 06, 1988
Applicant:
Inventors:
Toshimi Satake, Tokyo, JP;
Toshiaki Minami, Tokyo, JP;
Tomoaki Nagai, Tokyo, JP;
Fumio Fujimura, Tokyo, JP;
Assignee:
Jujo Paper Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
503210 ; 427150 ; 427151 ; 428913 ; 428914 ; 503211 ; 503212 ; 503216 ; 503217 ; 503221 ; 503223 ; 503225 ;
Abstract
A heat-sensitive recording material has a substrate and a color-developing layer which comprises a near infrared-absorbing fluorantype leuco dye. This heat-sensitive recording material provides a superior optical readability in near infrared region.