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:
Jan. 26, 1988
Filed:
Aug. 22, 1986
Applicant:
Inventors:
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
503200 ; 427152 ; 503214 ; 503226 ;
Abstract
A heat-sensitive recording material is disclosed, comprising a heat-sensitive layer containing a normally colorless or slightly colored dye precursor and a compound capable of reacting with the dye precursor to form color, with at least one of the heat-sensitive layer, an interlayer, and a protective layer containing polyvinyl alcohol as an adhesive and a hardener represented by formula (I) ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represents a hydrogen atom, a halogen atom, a saturated or unsaturated hydrocarbon group containing from 1 to 6 carbon atoms, or a saturated or unsaturated hydrocarbon group containing from 1 to 20 carbon atoms and at least one ether bond.