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. 31, 2018
Filed:
Jan. 27, 2016
Applicant:
Powdertech Co., Ltd., Chiba, JP;
Inventors:
Hiroki Sawamoto, Chiba, JP;
Tetsuya Uemura, Chiba, JP;
Assignee:
POWDERTECH CO., LTD., Chiba, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/10 (2006.01); G03G 9/107 (2006.01); G03G 9/113 (2006.01); G03G 15/09 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0928 (2013.01); G03G 9/10 (2013.01); G03G 9/1075 (2013.01); G03G 9/1131 (2013.01); G03G 9/1132 (2013.01); G03G 9/1138 (2013.01);
Abstract
An object of the present invention is to provide a carrier in which decrease in specific gravity is achieved and a volatile organic compound (VOC) is reduced and to provide an electrophotographic developer using the carrier. There is provided a carrier including a core material coated with a resin, the core material including a magnetic component and a nonmagnetic component, wherein the sum total of volatile organic compounds is 1 ppb or more and 1.5 ppm or less. There is also provided an electrophotographic developer using the carrier.