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:
Jun. 22, 1993
Filed:
May. 22, 1991
Applicant:
Inventors:
Hiroyuki Mifune, Kanagawa, JP;
Hiroyuki Asanuma, Kanagawa, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430604 ; 430569 ; 430577 ; 430581 ; 430607 ; 430608 ; 430611 ; 430612 ;
Abstract
A silver halide photographic material comprising a support having thereon at least one silver halide emulsion layer wherein the silver halide emulsion contains a salt of a metal ion of which the atomic number is at least 21 alone or together with a chelating agent and wherein the silver halide emulsion has been chemically sensitized in the presence of a chemical sensitization promoter comprising at least one of a silver halide solvent and an adsorbable compound.