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:
Nov. 18, 2014
Filed:
Sep. 13, 2011
Applicants:
Ryoji Yamaguchi, Yao, JP;
Toshihiro Masaoka, Yao, JP;
Keisuke Takuma, Yao, JP;
Inventors:
Assignee:
Yamamoto Chemicals, Inc., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/00 (2014.01); B41M 5/323 (2006.01); B41M 5/333 (2006.01); C09D 5/26 (2006.01);
U.S. Cl.
CPC ...
C09D 5/26 (2013.01); B41M 5/323 (2013.01); B41M 5/3333 (2013.01);
Abstract
A heat-sensitive color-developing composition containing a hydroxyquinoline compound having a methyl group and an acid anhydride compound represented by general formula (1): wherein ring A represents a substituted or unsubstituted aromatic hydrocarbon ring, and n represents an integer of 1 to 3, and a heat-sensitive recording material containing the composition in a recording layer.