发明授权
- 专利标题: Non-magnetic pigments
- 专利标题(中): 非磁性颜料
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申请号: US448196申请日: 1989-12-14
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公开(公告)号: US5009712A公开(公告)日: 1991-04-23
- 发明人: Kousaku Tamari , Tsutomu Katamoto
- 申请人: Kousaku Tamari , Tsutomu Katamoto
- 申请人地址: JPX Hiroshima
- 专利权人: Toda Kogyo Corp.
- 当前专利权人: Toda Kogyo Corp.
- 当前专利权人地址: JPX Hiroshima
- 优先权: JPX63-326420 19881223; JPX1-290783 19891107; JPX1-290784 19891107
- 主分类号: C01G49/00
- IPC分类号: C01G49/00 ; C09C1/22 ; C09D7/12
摘要:
Disclosed herein is a non-magnetic pigment comprising plate-like potassium ferrite particles having an average diameter of 0.03-30.0 .mu.m and a process for producing the same.
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