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:
Jul. 14, 2015
Filed:
Apr. 25, 2013
Applicant:
Fuji Xerox Co., Ltd., Tokyo, JP;
Inventors:
Atsushi Sugawara, Kanagawa, JP;
Masanobu Ninomiya, Kanagawa, JP;
Noriyuki Mizutani, Kanagawa, JP;
Akira Matsumoto, Kanagawa, JP;
Yusuke Ikeda, Kanagawa, JP;
Satoshi Kamiwaki, Kanagawa, JP;
Yukiaki Nakamura, Kanagawa, JP;
Assignee:
FUJI XEROX CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/087 (2006.01); G03G 13/22 (2006.01); G03G 15/08 (2006.01); G03G 9/08 (2006.01);
U.S. Cl.
CPC ...
G03G 9/08791 (2013.01); G03G 9/0823 (2013.01); G03G 9/08795 (2013.01); G03G 13/22 (2013.01); G03G 15/08 (2013.01);
Abstract
There is provided a positively chargeable toner including toner mother particles containing a binder resin having an ethylenically unsaturated bond, wherein the amine value of a component extracted with a water phase by the addition of ion exchanged water after mixing the toner with methyl ethyl ketone is from 600 to 1,250 and the weight average molecular weight of the component extracted with the water phase is from 1,000 to 200,000.