Title:
TONER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE
Document Type and Number:
WIPO Patent Application WO/2019/151592
Kind Code:
A1
Abstract:
A toner for developing an electrostatic latent image includes a plurality of toner particles. Each of the plurality of toner particles includes an additive attached to a surface of the particle, such that, when the plurality of toner particles are measured by X-ray fluorescence (XRF) spectrometry, an X-ray fluorescence intensity of lanthanum [La] (unit: kcps) and an X-ray fluorescence intensity of strontium [Sr] (unit: kcps) measured by the XRF spectrometry of the toner satisfy the following conditions (1) and (2): 0.2 kcps < [La] < 2 kcps (1), and 100 kcps < [Sr] < 800 kcps (2).
Inventors:
YOON SE YOUNG (KR)
SHIN YO DA (KR)
JUNG WOO CHUL (KR)
SHIN YO DA (KR)
JUNG WOO CHUL (KR)
Application Number:
PCT/KR2018/008449
Publication Date:
August 08, 2019
Filing Date:
July 26, 2018
Export Citation:
Assignee:
HP PRINTING KOREA CO LTD (KR)
International Classes:
G03G9/093; G03G9/087; G03G9/09; G03G15/08
Domestic Patent References:
| WO2013115413A1 | 2013-08-08 |
Foreign References:
| US20110159427A1 | 2011-06-30 | |||
| US20140234766A1 | 2014-08-21 | |||
| US20080056786A1 | 2008-03-06 | |||
| US20130236824A1 | 2013-09-12 | |||
| US20170131648A1 | 2017-05-11 | |||
| EP2341395A1 | 2011-07-06 | |||
| EP2767871A1 | 2014-08-20 |
Other References:
See also references of EP 3714332A4
Attorney, Agent or Firm:
Y.P.LEE, MOCK & PARTNERS (KR)
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