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.

Date of Patent:
Oct. 31, 2023

Filed:

Jun. 23, 2020
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Takeshi Sekiguchi, Kawasaki, JP;

Akiko Kitao, Kawasaki, JP;

Ai Hayakawa, Ashigarakami-gun, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M 5/392 (2006.01); B41M 5/388 (2006.01); B41M 5/385 (2006.01); C09B 29/036 (2006.01); C09B 23/01 (2006.01); C09B 23/04 (2006.01);
U.S. Cl.
CPC ...
B41M 5/392 (2013.01); B41M 5/388 (2013.01); B41M 5/3854 (2013.01); B41M 2205/06 (2013.01); B41M 2205/30 (2013.01); C09B 23/0091 (2013.01); C09B 23/04 (2013.01); C09B 29/0048 (2013.01);
Abstract

A heat sensitive transfer sheet that achieves high optical density and high light resistance without generating scumming. The heat sensitive sheet has a base material and a coloring material layer formed on the base material, and the coloring material layer includes a compound represented by the following formula (1) and a particular dye compound: whereinRand Reach independently represent a hydrogen atom, an alkyl group, an aralkyl group, an unsubstituted aryl group or an aryl group having a substituent; andRand Rto Reach independently represent a hydrogen atom or an alkyl group.


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