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. 21, 1993
Filed:
Jul. 08, 1991
Applicant:
Inventors:
Junji Ohtani, Osaka, JP;
Junji Machida, Osaka, JP;
Kazuo Ota, Osaka, JP;
Satoshi Asahi, Chiba, JP;
Hiroshi Hayashi, Tokyo, JP;
Kouichi Matono, Chiba, JP;
Assignees:
Minolta Camera Kabushiki Kaisha, Osaka, JP;
Idemitsu Kosan Company Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ; B32B / ;
U.S. Cl.
CPC ...
430108 ; 430137 ; 428407 ;
Abstract
The present invention provides a polyolefinic resin-coated carrier having a rough surface and containing a core material in a quantity of 90 or more % by weight. Said resin-coated layer may contain fine particles having a charge-controlling function and/or electrically conductive fine particles as additives.