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:
Oct. 13, 1992
Filed:
Oct. 31, 1990
Applicant:
Inventors:
Nobuyuki Aoki, Shizuoka, JP;
Masamoto Terao, Shizuoka, JP;
Assignee:
Tomoegawa Paper Co., Ltd, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430105 ; 4301066 ;
Abstract
A toner for developing electrostatically charged images is disclosed including a binder resin and a coloring agent as principal ingredients, the toner containing ethylene/methyl methacrylate copolymer resin in an amount of 1% by weight to 30% by weight based on the total weight of the toner.