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:
Jul. 12, 2022
Filed:
Feb. 22, 2018
Applicant:
The Pilot Ink Co., Ltd., Aichi-ken, JP;
Inventors:
Yoshiaki Ono, Aichi-ken, JP;
Masayuki Mita, Aichi-ken, JP;
Assignee:
KABUSHIKI KAISHA PILOT CORPORATION, Tokyo-To, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09B 67/00 (2006.01); B41M 5/30 (2006.01); B43K 7/00 (2006.01); C09D 11/17 (2014.01); C09D 11/50 (2014.01); C09K 9/02 (2006.01); C09B 67/02 (2006.01);
U.S. Cl.
CPC ...
C09B 67/0097 (2013.01); B41M 5/305 (2013.01); B43K 7/005 (2013.01); C09D 11/17 (2013.01); C09D 11/50 (2013.01); C09K 9/02 (2013.01);
Abstract
The present invention provides a thermochromic color-memory composition including (a) an electron-donating color-developing organic compound, (b) an electron-accepting compound, and (c) an ester compound represented by the following formula (1) or (2), as a reaction medium which controls color reaction of the component (a) and the component (b); and a thermochromic color-memory microcapsule pigment encapsulating the thermochromic color-memory composition.