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:
Nov. 16, 1999
Filed:
Jan. 03, 1997
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
A silver halide photographic material is disclosed, comprising a support having thereon at least one silver halide emulsion layer, wherein said emulsion layer contains a heavy metal selected from Ir, Ru, Rh, Re and Cr in an amount of at least 1.times.10.sup.-5 mol per mol of silver halide and (1) silver halide grains having a silver chloride content of 95 mol % or more, said grains being formed under acidic conditions and then subjected to gold-sulfur sensitization, (2) a silver halide having a silver chloride content of 95 mol % or more and then subjected to Se or Te sensitization or (3) silver halide grains having a silver chloride content of 95 mol % or more and conatianing at least one iron compound, and at least one of said emulsion layer and other hydrophilic colloid layers contains at least one hydrazine derivative and at least one nucleation accelerator. Also, disclosed is a method for producing the above-described silver halide photographic material.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile