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:
May. 01, 2018
Filed:
Dec. 29, 2016
Dai Nippon Printing Co., Ltd., Tokyo-to, JP;
Yuzu Imakura, Tokyo-to, JP;
DAI NIPPON PRINTING CO., LTD., Tokyo, JP;
Abstract
The thermal transfer sheet according to the present invention that has, in the order mentioned, a substrate, a colored layer, and an adhesion layer; and wherein the colored layer contains a colorant, polyester-based resin A, and polyester-based resin B; the number average molecular weight of the polyester-based resin A is not less than 15,000; the number average molecular weight of the polyester-based resin B is not more than 5,000; a content ratio by mass of the polyester-based resin A to the polyester-based resin B (polyester-based resin A/polyester-based resin B) in the colored layer is not less than 2/3 and not more than 9/1; and the adhesion layer includes a polyester-based resin.