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:
Aug. 30, 2022
Filed:
Aug. 20, 2019
Applicant:
Toshiba Tec Kabushiki Kaisha, Tokyo, JP;
Inventors:
Maiko Miyoshi, Izunokuni Shizuoka, JP;
Tsuyoshi Itou, Izunokuni Shizuoka, JP;
Takafumi Hara, Sunto Shizuoka, JP;
Assignee:
TOSHIBA TEC KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/50 (2014.01); C09D 11/38 (2014.01); C09D 11/36 (2014.01); C09D 11/328 (2014.01); B41M 5/00 (2006.01); C09D 11/037 (2014.01); C09D 11/06 (2006.01); B41J 2/21 (2006.01); C09D 11/033 (2014.01);
U.S. Cl.
CPC ...
C09D 11/50 (2013.01); B41J 2/2107 (2013.01); B41M 5/0023 (2013.01); C09D 11/033 (2013.01); C09D 11/037 (2013.01); C09D 11/06 (2013.01); C09D 11/328 (2013.01); C09D 11/36 (2013.01); C09D 11/38 (2013.01);
Abstract
According to one embodiment, an ink which can be decolored upon heating is provided. Colored images can be formed with the ink by various methods, such as ink jetting or the like, then later the images can be decolored with heat. An ink according to an embodiment contains a color developable compound, a color developing agent that causes the color developable compound to develop a color, a nonaqueous solvent, and a decoloring agent that is insoluble in the nonaqueous solvent and decolors the color developable compound upon heating.