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:
Feb. 11, 1986
Filed:
Sep. 05, 1984
Applicant:
Inventors:
Assignee:
Sanyo-Kokusaku Pulp Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
346200 ; 346226 ; 427152 ;
Abstract
A heat-sensitive recording material composed of a heat-sensitive, color-forming layer on a sheet substrate. The heat-sensitive, color-forming layer is mainly composed of a color-forming component consisting of a colorless or light-colored leucodye and an acidic compound for allowing said leucodye to develop color by heating, and further includes on the upper surface thereof a protective layer composed mainly of a polyvinyl alcohol and containing an epoxy compound having in its molecule at least two epoxy groups or an ethylenimine compound having in its molecule at least two ethylenimine groups.