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, 2012
Filed:
Aug. 10, 2010
Kyung-yeon Kang, Suwon-si, KR;
Sang-yup Kim, Suwon-si, KR;
Hong-chul Shin, Suwon-si, KR;
Sung-jin Park, Suwon-si, KR;
Kyung-yeon Kang, Suwon-si, KR;
Sang-yup Kim, Suwon-si, KR;
Hong-chul Shin, Suwon-si, KR;
Sung-jin Park, Suwon-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
The disclosure provides an electrophotographic toner and methods for preparing the electrographic toner. The electrographic toner includes a binder, a colorant and a releasing agent, wherein the electrophotographic toner includes strontium (Sr), iron (Fe), titanium (Ti), and silicon (Si) containing particles; wherein, if [Sr], [Fe], [Ti] and [Si] denote the intensities of Sr, Fe, Ti, and Si in the electrophotographic toner, respectively, as measured by X-ray fluorescence spectrometry, then the [Sr]/[Fe] ratio is in the range of about 5.0×10to about 4.5, the [Ti]/[Fe] ratio is in the range of about 5.0×10to about 8.1×10, and the [Si]/[Fe] ratio is in the range of about 2.0×10to about 4.0×10.