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:
Dec. 10, 2019

Filed:

Aug. 31, 2015
Applicants:

Powdertech Co., Ltd., Chiba, JP;

Tatsuta Electric Wire & Cable Co., Ltd., Osaka, JP;

Inventors:

Koji Aga, Chiba, JP;

Tetsuya Igarashi, Chiba, JP;

Akio Takahashi, Kyoto, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G 49/00 (2006.01); C08K 3/22 (2006.01); C08K 9/04 (2006.01); C08L 101/00 (2006.01); H01F 1/00 (2006.01); C09C 1/24 (2006.01); H01F 1/37 (2006.01); C09C 1/22 (2006.01);
U.S. Cl.
CPC ...
C01G 49/0072 (2013.01); C08K 3/22 (2013.01); C08K 9/04 (2013.01); C08L 101/00 (2013.01); C09C 1/22 (2013.01); C09C 1/24 (2013.01); H01F 1/00 (2013.01); H01F 1/37 (2013.01); C01P 2002/50 (2013.01); C01P 2004/32 (2013.01); C01P 2004/51 (2013.01); C01P 2004/61 (2013.01); C01P 2006/12 (2013.01); C01P 2006/42 (2013.01); C08K 2003/2265 (2013.01);
Abstract

The present invention provides a spherical ferrite powder that is excellent in filling ability and moldability if used as a filler, is excellent in handling ability, and is high in resistivity; a resin compound including the ferrite powder; and a molded product made of the resin compound. The spherical ferrite powder including 15 to 30 wt % of ferrite particles having the particle diameter less than 11 μm and have the volume average particle diameter of 10 to 50 μm; the resin compound including the ferrite powder; and the molded product made of the resin compound are employed.


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