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:
Feb. 03, 2015
Filed:
Feb. 26, 2009
Yoshinobu Baba, Yokohama, JP;
Koh Ishigami, Mishima, JP;
Naoki Okamoto, Mishima, JP;
Tomoko Endo, Odawara, JP;
Yoshinobu Baba, Yokohama, JP;
Koh Ishigami, Mishima, JP;
Naoki Okamoto, Mishima, JP;
Tomoko Endo, Odawara, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
The present invention provides an image of high image quality by using a magnetic carrier coated with a novel coating resin composition. Further, the present invention stably provides a good image which is hardly influenced by environmental fluctuation and long-term use and has a superior stability of a charging amount when left to stand especially under high temperature and high humidity environments. The present invention also provides a magnetic carrier characterized in that a carrier core surface is coated with a copolymer containing at least, as copolymerization components, an acrylic monomer having a specific structure and an acrylic macromonomer having a specific structure.