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. 25, 1994
Filed:
Sep. 29, 1993
Applicant:
Inventor:
Hirofumi Ohtani, Hino, JP;
Assignee:
Konica Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430569 ; 430567 ; 430605 ; 430611 ; 430614 ; 430615 ;
Abstract
A method for preparing a silver halide emulsion is disclosed. The silver halide emulsion comprises silver halide grains which are mixed crystals comprising: preparing a seed emulsion comprising seed grains; and adding potentially effective silver iodide grains comprising a silver halide micro grains having .gamma.-AgI structure, a soluble salt and a soluble halide to the seed emulsion.