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:
Jan. 26, 2010
Filed:
Jul. 09, 2007
Applicants:
Masashi Shirata, Kanagawa, JP;
Hiroyuki Hirai, Kanagawa, JP;
Inventors:
Masashi Shirata, Kanagawa, JP;
Hiroyuki Hirai, Kanagawa, JP;
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F 9/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a method for producing metallic nanoparticles, which includes reacting a copper compound with a hydrazine reducing agent in an organic solvent in the presence of a precious metal compound, wherein the precious metal compound is a compound containing at least one precious metal selected from the group consisting of platinum, gold, silver, and palladium, and the total number of precious metal atoms in the precious metal compound is in the range of 1 to 10 at. % of the total copper atoms in the copper compound.