发明授权
- 专利标题: Electrically-conductive colorless transparent barium sulfate filler
- 专利标题(中): 导电无色透明硫酸钡填料
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申请号: US652409申请日: 1996-05-23
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公开(公告)号: US5698315A公开(公告)日: 1997-12-16
- 发明人: Takao Hayashi , Norihiro Sato , Nobuyoshi Kasahara , Katsuhiko Yoshimaru , Kouichi Kawaratani
- 申请人: Takao Hayashi , Norihiro Sato , Nobuyoshi Kasahara , Katsuhiko Yoshimaru , Kouichi Kawaratani
- 申请人地址: JPX Tokyo
- 专利权人: Mitsui Mining & Smelting Co., Ltd.
- 当前专利权人: Mitsui Mining & Smelting Co., Ltd.
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX4-265396 19920907; JPX5-109773 19930414
- 主分类号: C09C1/02
- IPC分类号: C09C1/02 ; H01B1/08 ; B32B5/16 ; C01F11/46
摘要:
A electrically-conductive barium sulfate filler and a method for preparing same are herein disclosed and it comprises a particulate core material composed of barium sulfate provided thereon with a coating film of tin dioxide which may be optionally doped with niobium or tentalum, the bare core material free of coating film having a specific surface area ranging from 0.1 to 150 m.sup.2 /g and the film having a thickness ranging from 2 to 80 nm.
公开/授权文献
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