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. 11, 1990
Filed:
Jul. 05, 1989
Applicant:
Inventors:
Toshio Honjo, Chiba, JP;
Yuji Sato, Chiba, JP;
Yoshihiro Fukushima, Wakayama, JP;
Masayoshi Nawa, Wakayama, JP;
Shinichiro Yasuda, Osaka, JP;
Assignees:
Kao Corporation, Tokyo, JP;
Nippon Iron Powder Co. Ltd., Chiba, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430108 ; 430904 ; 4301066 ;
Abstract
A developer for electrostatic photography comprises toner and carrier coated with a composition comprising a silicone resin having (II) and (II') and at least one compound represented by following formula (III), (IV) or (V): ##STR1##