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:
Apr. 15, 1986
Filed:
May. 30, 1985
Applicant:
Inventors:
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
346209 ; 346200 ; 346226 ; 427152 ; 428446 ; 428447 ; 428514 ; 428522 ;
Abstract
A heat-sensitive recording paper is disclosed, comprising a base having thereon (a) a heat-sensitive color forming layer containing a substantially colorless electron donating dye and an acid substance capable of forming a coloration by coming into contact with said dye upon heating, wherein a coating layer containing a binder comprising modified polyvinyl alcohol containing silicon atoms in the molecule and at least one of colloidal silica and amorphous silica is provided on said color forming layer.