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:
Nov. 24, 1992
Filed:
Jul. 10, 1991
Applicant:
Inventors:
Junji Machida, Toyonaka, JP;
Junji Ohtani, Kobe, JP;
Kazuo Ota, Toyohashi, JP;
Satoshi Asahi, Sodegaura, JP;
Hiroshi Hayashi, Tokyo, JP;
Kouichi Matono, Sodegaura, JP;
Assignees:
Minolta Camera Kabushiki Kaisha, Osaka, JP;
Idemitsu Kosan Company Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
4301066 ; 430110 ; 430111 ; 428402 ;
Abstract
The present invention provides fine particles comprising core particles and polyolefinic resin layers for composing an electrostatic latent image developer, characterized in that the polyolefinic resin layers are formed by polymerizing olefinic monomers on surfaces of the core particles.