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:
Apr. 23, 2013
Filed:
Dec. 03, 2009
Yo-da Shin, Incheon Metropolitan, KR;
Jun-young Lee, Seoul, KR;
Jae-hwan Kim, Seoul, KR;
Tae-hoe Koo, Seoul, KR;
Yo-da Shin, Incheon Metropolitan, KR;
Jun-young Lee, Seoul, KR;
Jae-hwan Kim, Seoul, KR;
Tae-hoe Koo, Seoul, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
An electrophotographic toner including a latex, a coloring agent, and a release agent, wherein a difference between an average circularity of toner having a particle size of D16p or less (S16) and an average circularity of toner having a particle size of D50p or less (S50) is about 0.01 or less, wherein the circularity is measured using a flow particle image analyzer (FPIA), and the ratio of an area of wax to a total cross-sectional area of the toner having a particle size of D16p or less is about 8/100 or greater, and wherein the area is measured using a transmission electron microscope (TEM).