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:
Feb. 22, 2005
Filed:
May. 13, 2002
Hirotake Fujita, Kawasaki, JP;
Jun-ya Kojima, Chiba, JP;
Ayako Shirai, Yokohama, JP;
Yoshiyuki Takahashi, Tokyo, JP;
Hirotake Fujita, Kawasaki, JP;
Jun-Ya Kojima, Chiba, JP;
Ayako Shirai, Yokohama, JP;
Yoshiyuki Takahashi, Tokyo, JP;
Oji Paper Co., Ltd., Tokyo, JP;
Abstract
Disclosed is a thermosensitive recording material comprising a sheet-shaped support and a thermosensitive recording layer which is formed on at least one surface of the support and comprises a colorless or light-colored dye precursor and a color developer capable of reacting with the dye precursor and inducing color formation therein upon application of heat thereto, the color developer comprising a compound represented by the following formula (I) or analog thereof:The thermosensitive recording material has high sensitivity and can prevent white background portions from coloring and recorded images from decolorizing in an environmental resistance test.