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:
Mar. 06, 2001
Filed:
Dec. 01, 1998
Applicant:
Inventors:
Atsuhiro Ohkawa, Kanagawa, JP;
Hisao Yamada, Shizuoka-ken, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Primary Examiner:
Int. Cl.
CPC ...
B41M 5/28 ;
U.S. Cl.
CPC ...
B41M 5/28 ;
Abstract
There is provided a coupler giving a magenta pigment excellent in hue using a diazonium salt compound which can be fixed at a wavelength around 420 nm. A heat-sensitive recording material comprising a substrate carrying thereon a heat-sensitive recording layer containing a diazonium salt compound and a coupler which develops color by reacting with said diazonium salt compound in heating, wherein said coupler comprises at least one compound represented by the following general formula (1):