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:
Jun. 24, 2014
Filed:
May. 27, 2010
Applicants:
Shigenobu Sekine, Tokyo, JP;
Yurina Sekine, Tokyo, JP;
Inventors:
Shigenobu Sekine, Tokyo, JP;
Yurina Sekine, Tokyo, JP;
Assignee:
Napra Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B22F 1/00 (2006.01); C01B 33/02 (2006.01); B22F 9/08 (2006.01);
U.S. Cl.
CPC ...
B22F 9/08 (2013.01); C01P 2002/60 (2013.01); C01P 2002/90 (2013.01); C01P 2004/32 (2013.01);
Abstract
The present invention provides nanometer-size spherical particles. Each of the particles is made of at least one selected from the group consisting of a metal, an alloy, and a metal compound. The particles include one or both of a polycrystalline region and a single-crystalline region. The particles have a particle size of less than 1 μm; and a sphericity of −10% to +10%.