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:
Aug. 11, 1992
Filed:
Apr. 02, 1990
Applicant:
Inventors:
Mamoru Tanihara, Hiroshima, JP;
Yasutaka Ota, Hatsukaichi, JP;
Hiroshi Fukui, Yokohama, JP;
Takashi Ogawa, Yokohama, JP;
Tsuneo Suhara, Zama, JP;
Assignees:
Toda Kogyo Corporation, Hiroshima, JP;
Shiseido Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428407 ; 428403 ; 75348 ; 252 6254 ; 252 6256 ;
Abstract
Disclosed herein are acicular magnetic metal particles containing iron as the main ingredient the surfaces of which are coated with a polymer formed from at least one of silicone compounds represented by the following formula (I):