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:
Mar. 28, 1989
Filed:
Sep. 03, 1987
Applicant:
Inventors:
Masao Oishi, Neyagawa, JP;
Takao Saito, Toyonaka, JP;
Kouichi Nagata, Neyagawa, JP;
Katsukiyo Ishikawa, Kuze, JP;
Eio Hisajima, Takatsuki, JP;
Assignee:
Nippon Paint Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430108 ; 427222 ; 427306 ; 42840224 ; 428403 ; 428407 ; 428406 ; 204 561 ; 106-112 ; 4301066 ; 430137 ; 430111 ;
Abstract
The present invention is intended to provide a carrier to be used as a two-component developer, wherein a nuclide particle surface has a magnetic plated layer composed of an iron oxide. The carrier according to the present invention is to be used in the electrophotographic method, electrostatic recording method, and electrostatic printing method, and also provides an excellent developer which is lightweight and has a long service life.