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. 10, 2011
Filed:
Jun. 24, 2005
Applicants:
Yoshihiro Ogawa, Numazu, JP;
Yusuke Hasegawa, Suntoh-gun, JP;
Shinichiro Abe, Toride, JP;
Junko Nishiyama, Suntoh-gun, JP;
Takashige Kasuya, Suntoh-gun, JP;
Inventors:
Yoshihiro Ogawa, Numazu, JP;
Yusuke Hasegawa, Suntoh-gun, JP;
Shinichiro Abe, Toride, JP;
Junko Nishiyama, Suntoh-gun, JP;
Takashige Kasuya, Suntoh-gun, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A magnetic toner is disclosed having magnetic toner particles containing a binder resin and a magnetic iron oxide. The magnetic toner has a specific saturation magnetization and a specific residual magnetization in ascertain magnetic field. The binder resin includes a polyester component polymerized with an aromatic carboxylic acid titanium compound as a catalyst.