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. 27, 1989
Filed:
Oct. 14, 1986
Applicant:
Inventors:
Kazuo Okamura, Itami, JP;
Ikuo Kitamura, Kyoto, JP;
Hideki Aomi, Osaka, JP;
Satoshi Koyama, Osaka, JP;
Katsushi Tokunaga, Habikino, JP;
Yoshiyuki Shibuya, Osaka, JP;
Shiego Daimon, Osaka, JP;
Assignee:
Daikin Industries, Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
252 6251 ; 252 6256 ; 423439 ;
Abstract
The present invention relates to novel acicular particles, processes for using the same, and magnetic materials prepared from such particles. In particular, the invention relates to an acicular particulate material containing iron carbide and having a high coercive force(Hc) an orientation property in a magnetic field.