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:
Aug. 19, 1988
Applicant:
Inventors:
Toshimi Satake, Tokyo, JP;
Tadakazu Fukuchi, Tokyo, JP;
Toshiaki Minami, Tokyo, JP;
Tomoaki Nagai, Tokyo, JP;
Toshio Kaneko, Tokyo, JP;
Fumio Fujimura, Tokyo, JP;
Assignee:
Jujo Paper Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
503209 ; 427151 ; 428913 ; 428914 ; 503217 ; 503220 ; 503221 ; 503223 ;
Abstract
A heat-sensitive recording material has a support and a color-developing layer which comprises both as a colorless basic chromogenic dye at least one of a particular fluorane-type leuco dye and a particular divinyl compound and as a stabilizer a particular halogen-substituted zinc benzoate derivative. This heat-sensitive recording material is superior in light resistance, weather resistance, oil resistance and optical readability in the near infrared region.