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. 04, 2006
Filed:
Sep. 28, 2001
Shoji Hizatate, Tokyo, JP;
Shoji Hizatate, Tokyo, JP;
Mitsubishi Paper Mills, Ltd., Tokyo, JP;
Abstract
Provided is a thermal recording material that is excellent in thermal response and retainability of an image portion and which generates fewer residues adhering to the thermal head of a thermal printer. The thermal recording material having a thermal recording layer comprising a generally colorless or light-colored electron-donating dye precursor and an electron-accepting developer that reacts under heat to cause said dye precursor to form a color, said thermal recording layer containing a specific diphenylsulfone derivative, a specific amide derivative and a specific fluorane derivative, wherein the weight ratio of the specific diphenylsulfone derivative above and the specific amide derivative above is 2/1 to 1/2.