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:
Jan. 04, 2000
Filed:
Aug. 24, 1998
Applicant:
Inventors:
Hiroshi Arakatsu, Kanagawa, JP;
Nobuo Seto, Kanagawa, JP;
Yoshisada Nakamura, Kanagawa, JP;
Hironori Hiyoshi, Kanagawa, JP;
Hiroyuki Watanabe, Kanagawa, JP;
Takayoshi Kamio, Kanagawa, JP;
Assignee:
Fuji Photo Film., Ltd., Kanagawa, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ; G03C / ;
U.S. Cl.
CPC ...
430216 ; 430372 ; 430551 ; 430463 ; 430490 ; 546244 ; 546245 ;
Abstract
A method for improving light fastness of an image, which comprises releasing or forming an image forming dye or a precursor thereof corresponding or counter-corresponding to silver development and allowing an image formed by transferring said image forming dye or precursor thereof to coexist with a compound represented by general formula (I) in an image forming material ##STR1## The symbols in formula (I) are defined in the description. Also disclosed is an image forming material for use in the method.