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. 26, 1988
Filed:
Feb. 28, 1986
Nobuhiro Kurihara, Shizuoka, JP;
Sumitaka Tatsuta, Shizuoka, JP;
Jun Yamaguchi, Shizuoka, JP;
Toshimasa Usami, Shizuoka, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
A multicolor heat-sensitive recording material is disclosed, comprising a support having carried thereon at least two colorless or light-colored color formers capable of developing different colors and color developers capable of reacting with said color formers upon heating to develop colors, wherein at least one of the color formers and color developers is encapsulized, at least one of the color formers is a diazo compound which is substantially decomposed by light, and at least one of the other color formers is a compound which is not substantially decomposed by light. The material provide a multicolor image having excellent hues and sharpness without color smearing and is free from undesired color formation before or after recording.