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:
Dec. 10, 1996
Filed:
Feb. 16, 1994
Applicant:
Inventors:
Atsushi Takedoi, Hiroshima, JP;
Mamoru Tanihara, Hiroshima, JP;
Tosiharu Harada, Hiroshima, JP;
Masaru Isoai, Hiroshima, JP;
Kazuhiro Fujita, Hiroshima, JP;
Assignee:
Toda Kogyo Corp., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B05D / ;
U.S. Cl.
CPC ...
428403 ; 252 6256 ; 427215 ; 427217 ; 428404 ; 4286 / ; 428699 ; 428701 ; 428702 ; 428900 ;
Abstract
Disclosed herein are magnetic iron oxide particles which have a spindle shape and a substantially uniform particle size and shape, and are substantially free of dendrites and have a large axial ratio (major axial diameter/minor axial diameter) and an excellent print-through characteristic, and a method of producing the same.