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. 12, 2016
Filed:
Dec. 25, 2013
Oji Holdings Corporation, Tokyo, JP;
Naonobu Sugiyama, Amagasaki, JP;
Takashi Takemura, Amagasaki, JP;
OJI HOLDINGS CORPORATION, Tokyo, JP;
Abstract
A multicolor thermal recording material that allows multicolor printing in at least four colors and a method for developing color of the multicolor thermal recording material. The multicolor thermal recording material comprises (1) a support, (2) a first thermal color-developing layer containing a first dye precursor and a color-developing compound reactive with the first dye precursor under heating to develop the color of the first dye precursor, (3) an intermediate layer, (4) a second thermal color- developing layer containing composite fine particles containing a second dye precursor and a polymeric compound, and a color-developing compound reactive with the second dye precursor under heating, and (5) a third thermal color-developing layer containing composite fine particles containing a third dye precursor and a polymeric compound, and a color-developing compound reactive with the third dye precursor under heating; wherein the first, second, and third dye precursors are capable of developing mutually different colors.