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:
Dec. 19, 1989
Filed:
Mar. 31, 1988
Applicant:
Inventors:
Seiichiro Kishida, Kanagawa, JP;
Minoru Sato, Kanagawa, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430569 ; 430567 ; 430599 ;
Abstract
A method for preparing a silver halide photographic emulsion is disclosed, comprising silver halide grains having silver halide protrusions on the surface of the silver halide grain matrix, wherein the silver halide grain matrix is chemically sensitized and then the silver halide protrusions are formed on the surface of the thus chemically sensitized silver halide grain matrix.
Kishida, Seiichiro. (1989). Method for preparing silver halide photographic emulsions (U.S. Patent No. 4888272). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4888272
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile