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:
Aug. 28, 2018
Filed:
Jul. 17, 2015
Applicants:
Kohtaroh Ogino, Shizuoka, JP;
Tohru Moriya, Shizuoka, JP;
Tomomi Suzuki, Shizuoka, JP;
Inventors:
Assignee:
Ricoh Company, Ltd., Toyko, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/097 (2006.01); G03G 9/087 (2006.01); G03G 9/09 (2006.01); G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
G03G 9/09725 (2013.01); G03G 9/08711 (2013.01); G03G 9/08755 (2013.01); G03G 9/0904 (2013.01); G03G 9/0906 (2013.01); G03G 15/08 (2013.01);
Abstract
A toner, containing: a binder resin; and kaolinite, wherein the toner has a molecular weight distribution having a main peak in a range of 1,000 to 10,000, and a half value width of the main peak is 8,000 to 30,000, where the molecular weight distribution is obtained by gel permeation chromatography (GPC) of THF soluble matter of the toner, and wherein the toner contains the kaolinite in an amount of 5% by mass to 35% by mass.