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:
Apr. 14, 2015
Filed:
Nov. 13, 2009
Katsuyuki Fujita, Aichi, JP;
Yoshiaki Ono, Aichi, JP;
Yutaka Shibahashi, Aichi, JP;
The Pilot Ink Co., Ltd., Aichi, JP;
Abstract
The present invention relates to a thermochromic color-memory toner containing: a microcapsule pigment encapsulating a thermochromic color-memory composition; and a binder resin, in which the microcapsule pigment shows a hysteresis characteristic that, in a temperature-rise process, decoloration starts when the temperature reaches tand the pigment completely reaches a decolored state in a temperature region of tor higher, and in a temperature-drop process, coloration starts when the temperature reaches tand the pigment completely reaches a colored state in a temperature region of tor lower, and tis in a range of from −50 to 0° C. and tis in a range of from 50 to 150° C.