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:
Jun. 14, 1983
Filed:
Oct. 08, 1981
Applicant:
Inventors:
Assignee:
Ricoh Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
428211 ; 282 275 ; 427150 ; 427151 ; 427152 ; 428206 ; 428207 ; 428215 ; 428216 ; 4283204 ; 4283208 ; 428327 ; 428328 ; 428329 ; 428330 ; 428331 ; 428342 ; 428488 ; 428537 ; 428913 ; 430200 ;
Abstract
A releasable heat-sensitive recording paper is disclosed wherein a heat-sensitive color forming layer and a protective layer are laminated in succession on the surface of a substrate, said color forming layer consisting essentially of a leuco dye and an acidic substance, said protective layer consisting essentially of a water soluble resin, and further a required pattern is printed on this protective layer with an ultraviolet setting type printing ink, while a pressure-sensitive adhesive layer is formed on the back of the substrate and the thus formed layer is covered with a releasable paper.