Invention Grant
US07879522B2 Carrier core material for electrophotographic developer, carrier and electrophotographic developer using the carrier
有权
用于电子照相显影剂的载体芯材料，载体和使用载体的电子照相显影剂
- Patent Title: Carrier core material for electrophotographic developer, carrier and electrophotographic developer using the carrier
- Patent Title (中): 用于电子照相显影剂的载体芯材料，载体和使用载体的电子照相显影剂
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Application No.: US12362571Application Date: 2009-01-30
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Publication No.: US07879522B2Publication Date: 2011-02-01
- Inventor: Koji Aga , Issei Shinmura , Tetsuya Igarashi
- Applicant: Koji Aga , Issei Shinmura , Tetsuya Igarashi
- Applicant Address: JP Kashiwa-shi
- Assignee: Powdertech Co., Ltd.
- Current Assignee: Powdertech Co., Ltd.
- Current Assignee Address: JP Kashiwa-shi
- Agency: Greenblum & Bernstein, P.L.C.
- Priority: JP2008-020030 20080131
- Main IPC: G03G9/083
- IPC: G03G9/083
Abstract:
There are adopted: a carrier core material for an electrophotographic developer, including Mg, Ti and Fe as main components, and containing Fe, Mg and Ti in contents of 52 to 66% by weight, 3 to 12% by weight and 0.2 to 12% by weight, respectively; an electrophotographic developer carrier prepared by coating with a resin the surface of the carrier core material; and an electrophotographic developer using the carrier.
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