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:
Jul. 19, 1988
Filed:
Sep. 02, 1986
Applicant:
Inventors:
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
503207 ; 427152 ; 428446 ; 428457 ; 428514 ; 428522 ; 503200 ; 503226 ;
Abstract
A novel heat-sensitive recording material is provided comprising a support, a heat-sensitive coloring layer containing an electron donating dye precursor which is normally colorless or light-colored and an electron accepting compound which exhibits a color upon reaction with said dye precursor, a first protective layer containing a polyvinyl alcohol resin and a second protective layer containing a silicon-containing denaturated polyvinyl alcohol, a colloidal silica and/or amorphous silica, wherein either of the first or second protective layer may be coated directly on said coloring layer.