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:
Dec. 06, 2016
Filed:
May. 02, 2012
Applicants:
Hiroshi Inoue, Osaka, JP;
Tomochika Yoshitsugi, Osaka, JP;
Ryuichi Kiyoe, Osaka, JP;
Inventors:
Assignee:
SAKURA COLOR PRODUCTS CORPORATION, Osaka-shi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/167 (2006.01); H01G 7/02 (2006.01);
U.S. Cl.
CPC ...
G02F 1/167 (2013.01); H01G 7/023 (2013.01); G02F 2001/1678 (2013.01);
Abstract
The present invention provides uniformly electrified electret fine particles having excellent electrophoretic properties. Specifically, the present invention provides a core-shell electret fine particle comprising a core part and a shell part, the core part containing a material that has an ability to disperse a pigment therein, the shell part containing an electret resin, and the electret resin being a fluorine-containing resin and being electretized by electron ray irradiation, radial ray irradiation, or corona discharge treatment.