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:
Mar. 31, 1992
Filed:
Dec. 19, 1990
Applicant:
Inventors:
Hirokazu Kaneko, Tokyo, JP;
Hideichiro Takeda, Tokyo, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
428341 ; 428195 ; 428480 ; 4284884 ; 428913 ; 428914 ;
Abstract
A thermal transfer sheet comprising a substrate film, a transferable ink layer formed on one surface side of the substrate film, and a back coating layer formed on the other surface side of the substrate film to be in contact with a thermal head, wherein the transferable ink layer comprises a heat-fusible ink capable of being melted under heating, and the back coating layer comprises a binder predominantly comprising polyparabanic acid.