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. 03, 2017
Filed:
Aug. 17, 2016
Applicant:
Sharp Kabushiki Kaisha, Sakai, Osaka, JP;
Inventors:
Keiichi Kikawa, Sakai, JP;
Tadayuki Sawai, Sakai, JP;
Yoritaka Tsubaki, Sakai, JP;
Keigo Mitamura, Sakai, JP;
Yui Kawano, Sakai, JP;
Shintaro Fukuoka, Sakai, JP;
Assignee:
SHARP KABUSHIKI KAISHA, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/087 (2006.01); G03G 9/08 (2006.01); G03G 9/107 (2006.01);
U.S. Cl.
CPC ...
G03G 9/0821 (2013.01); G03G 9/081 (2013.01); G03G 9/08755 (2013.01); G03G 9/107 (2013.01);
Abstract
Toner of one aspect of the present invention has a weight average molecular weight Mw of 30,000≦Mw≦95,263 as determined from a molecular weight distribution based on GPC, includes a THF-insoluble gel component at a weight proportion of less than 5%, and includes components each having a molecular weight of 500 to 1500 which components have an area occupancy of 4% to 10% on a chart of the molecular weight distribution based on GPC.