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:
Aug. 31, 1993
Filed:
Jul. 26, 1991
Tetsuya Nakano, Nabari, JP;
Naruo Yabe, Kobe, JP;
Masahide Inoue, Kitakatsuragi, JP;
Teruaki Teratani, Mino, JP;
Koichi Tsuyama, Kobe, JP;
Seijiro Ishimaru, Ibaraki, JP;
Yoshitake Shimizu, Higashiosaka, JP;
Mita Industrial Co., Ltd., Osaka, JP;
Abstract
The present invention provides an electrophotographic developer comprising (i) a toner containing a fixing resin in which the content of an acrylic component is limited to a predetermined range, or a toner of which surface dye density is limited to a predetermined range, and (ii) a carrier coated with a coating resin containing, as an acrylic component, dodecyl methacrylate or 2-hydroxyethyl acrylate. In the electrophotographic developer of the present invention, the electric charging characteristics are always stable.