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公开(公告)号：US11112716B2
公开(公告)日：2021-09-07
申请号：US16751031
申请日：2020-01-23
Applicant: POWDERTECH CO., LTD.
Inventor： Hiroki Sawamoto , Atsushi Nil , Yuji Ito , Hajime Akiba , Shinya Hanyu
Abstract: The present invention relates to a carrier core material for electrophotographic developer, having a ferrite composition and having a supernatant transmittance of 85.0% or more, a method for producing the carrier core material, a carrier for electrophotographic developer, containing the carrier core material, and a developer containing the carrier.
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