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. 10, 2015
Filed:
Sep. 25, 2012
Applicant:
Fuji Xerox Co., Ltd., Tokyo, JP;
Inventors:
Hirotaka Matsuoka, Kanagawa, JP;
Sumiaki Yamasaki, Kanagawa, JP;
Satoshi Hiraoka, Kanagawa, JP;
Yuki Sasaki, Kanagawa, JP;
Susumu Yoshino, Kanagawa, JP;
Assignee:
Fuji Xerox Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/087 (2006.01); C08G 63/672 (2006.01); G03G 9/097 (2006.01);
U.S. Cl.
CPC ...
C08G 63/672 (2013.01); G03G 9/08755 (2013.01); G03G 9/08775 (2013.01); G03G 9/08795 (2013.01); G03G 9/09725 (2013.01);
Abstract
An electrostatic image developing toner contains toner particles containing a polyester resin having a repeating unit deriving from a dicarboxylic acid and a repeating unit deriving from a rosin diol, and an external additive containing silica particles, wherein a weight average molecular weight (Mw) of the soluble matter in tetrahydrofuran of the toner is from about 60,000 to about 200,000.