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:
Mar. 27, 1992
Applicant:
Inventors:
Shinobu Nakasawa, Toyohashi, JP;
Hiroshi Fukao, Toyokawa, JP;
Keiji Asakawa, Ibaragi, JP;
Toshikazu Muramatsu, Takarazuka, JP;
Ichiro Demizu, Toyonaka, JP;
Assignee:
Minolta Camera Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430110 ; 430111 ;
Abstract
The present invention relates to a toner for developing electrostatic latent images which has silica and titania or alumina on the toner surface at specified ratio or in specified states, so that environmental stability in chargeability and stable copy images with fine texture can be obtained.