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:
Feb. 09, 2021
Filed:
Oct. 09, 2019
Applicant:
Toppan Printing Co., Ltd., Tokyo, JP;
Inventor:
Godai Fukunaga, Tokyo, JP;
Assignee:
TOPPAN PRINTING CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/335 (2006.01); B41M 5/385 (2006.01);
U.S. Cl.
CPC ...
B41M 5/385 (2013.01);
Abstract
A thermal transfer recording medium comprises a heat-resistant lubricating layer laminated on a first surface of a substrate, and an undercoat layer and a dye layer laminated in this order on a second surface of the substrate. The dye layer contains, as binders, a polyvinyl acetal resin, a phenoxy resin, and a graft copolymer having a main chain comprising polycarbonate and a side chain comprising a vinyl-based polymer, and also contains Compounds I, II, and III as cyan dyes.