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. 04, 2010
Filed:
Oct. 22, 2008
Applicant:
Katsuyuki Fujita, Nagoya, JP;
Inventor:
Katsuyuki Fujita, Nagoya, JP;
Assignee:
The Pilot Ink Co., Ltd., Aichi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B43K 5/00 (2006.01); C09K 9/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A thermochromic coloring color-memory composition which comprises a homogeneous solubilized mixture of (A) an electron donative coloring organic compound, (B) an electron accepting compound and (C) an ester compound represented by the specific formula as a reaction medium which controls color reactions of the components (A) and (B).