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:
May. 21, 1985
Filed:
Apr. 26, 1983
Applicant:
Inventors:
Assignee:
Hitachi Metals, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430108 ; 4301066 ; 430109 ; 430110 ;
Abstract
In a developer containing as toner at least a resin component and a coloring agent, when (A) a styrene-acrylic copolymer and (B) a polyester resin is used as the resin component and making the toner to have an electric resistance of 10.sup.13 .OMEGA..cm or higher and a triboelectrification quantity of an absolute value of 5 .mu.C/g or more, the resulting developer shows no offset phenomenon and gives excellent image quantity, transfer efficiency and good productivity.
Noguchi, Koji. (1985). Electrophotographic developer (U.S. Patent No. 4518673). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4518673
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile