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.

Date of Patent:
Apr. 20, 2010

Filed:

Nov. 17, 2003
Applicants:

Kazumi Nakayoshi, Chiba Prefecture, JP;

Hiroki Ishikawa, Aichi Prefecture, JP;

Ryoto Shima, Chiba Prefecture, JP;

Katsutoshi Mine, Chiba Prefecture, JP;

Inventors:

Kazumi Nakayoshi, Chiba Prefecture, JP;

Hiroki Ishikawa, Aichi Prefecture, JP;

Ryoto Shima, Chiba Prefecture, JP;

Katsutoshi Mine, Chiba Prefecture, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K 3/22 (2006.01); C08G 77/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A silver-based powder is surface-treated with an oxidation inhibitor by means of a mechanochemical reaction. A method of preparation of the silver-based powder includes using an organic solution of the oxidation inhibitor as a lubricating agent, applying mechanical energy to the silver-based powder, and subjecting the silver-based powder to surface treatment with said oxidation inhibitor by means of a mechanochemical reaction.


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