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:
Oct. 02, 1989
Filed:
Jan. 31, 1988
Applicant:
Inventors:
Hiroshi Kitaguchi, Kanagawa, JP;
Masatoshi Kato, Kanagawa, JP;
Assignee:
Fuji Photo Film Co., Ltd., , JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
430203 ; 430611 ; 430617 ; 430619 ; 430957 ; 430959 ;
Abstract
A heat-developable photographic element containing a light-sensitive silver halide and a binder on a support, and in addition, a base precursor and a photographic reagent capable of releasing a compound represented by the general formula (I) by reaction with a base in a light-sensitive layer and/or an image receiving layer. ##STR1## wherein Y is an atomic group necessary for forming a 5-, 6- or 9-membered heterocyclic ring. The photographic material has excellent temperature compensation capability and low fog.