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:
Jan. 14, 1997
Filed:
Sep. 26, 1995
Ryuji Nishiyama, Kadoma, JP;
Akira Fukano, Kadoma, JP;
Koji Harakawa, Shizuoka, JP;
Makoto Miura, Shizuoka, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Tomoegawa Paper Co., Ltd., Tokyo, JP;
Abstract
A two-component developer suitable for use with an image-forming apparatus which permits the removal and recovery of a toner remaining on a photoconductive drum after the transfer of the toner to a receptor sheet without using cleaning means, comprising a toner formed of toner matrix particles containing a binder resin and a colorant as main components, and a magnetic powder adhering to a surface of each toner matrix particle, and a magnetic carrier having a saturation magnetization of 90 to 200 emu/g in an external magnetic field of 3,000 oersted.