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:
Dec. 12, 2023
Filed:
Dec. 28, 2020
Applicant:
Toppan Printing Co., Ltd., Tokyo, JP;
Inventor:
Akira Motohashi, Tokyo, JP;
Assignee:
TOPPAN PRINTING CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M 5/44 (2006.01); B41M 5/385 (2006.01); B41M 5/41 (2006.01);
U.S. Cl.
CPC ...
B41M 5/44 (2013.01); B41M 5/385 (2013.01); B41M 5/41 (2013.01);
Abstract
A thermal transfer ribbon comprising a dye layer and a transferable protective layer repeatedly formed on one surface of a substrate, the transferable protective layer having a first layer formed on the substrate, and a second layer formed on the first layer. The first layer comprises an acrylic resin (X) containing methyl methacrylate, an acrylic resin (Y) containing a styrene resin, and a polyester resin (Z). X has a weight average molecular weight of 120000 or more, the mass ratio of X and Y is within the range of 1:9 to 9:1, and the mass of Z is 1% or more and 3% or less of the total mass of X and Y.