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:
May. 04, 2021
Filed:
Jan. 19, 2016
Mitsui Mining & Smelting Co., Ltd., Tokyo, JP;
Yoichi Kamikoriyama, Saitama, JP;
Mami Yoshida, Saitama, JP;
Hiroshi Imamura, Saitama, JP;
Yuji Asano, Saitama, JP;
MITSUI MINING & SMELTING CO., LTD., Tokyo, JP;
Abstract
There is provided a copper powder containing an organic compound containing carbon and nitrogen. The powder has a ratio of carbon content PC (mass %) to specific surface area SSA (m/g), PC/SSA, of 0.005 to 0.1 and a ratio of nitrogen content PN (mass %) to specific surface area SSA (m/g), PN/SSA, of 0.001 to 0.05. The organic compound preferably contains two or more of nitrogen atom per molecule and is preferably capable of forming a five-membered ring complex with copper. The organic compound preferably includes one or more of dimethyl glyoxime, ethylenediamine, and polyethyleneimine.