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:
Sep. 03, 1985
Filed:
Aug. 23, 1983
Applicant:
Inventors:
Norimichi Nagai, Hiroshima, JP;
Nanao Horiishi, Hiroshima, JP;
Masao Kiyama, Kyoto, JP;
Toshio Takada, Kyoto, JP;
Assignee:
Toda Kogyo Corp., Hiroshima, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
252 6263 ; 423594 ;
Abstract
Barium ferrite particles of a coercive force of not more than 1,000 Oe suitable for use as a magnetic material for magnetic recording and a process for producing said particles are disclosed herein.