发明授权
US6139618A Fine yellow composite iron oxide hydroxide pigment, and paint or resin
composition using the same
失效
细黄色复合铁氧化物氢氧化物颜料，以及使用其的油漆或树脂组合物
- 专利标题： Fine yellow composite iron oxide hydroxide pigment, and paint or resin composition using the same
- 专利标题（中）： 细黄色复合铁氧化物氢氧化物颜料，以及使用其的油漆或树脂组合物
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申请号： US383985申请日： 1999-08-26
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公开(公告)号： US6139618A公开(公告)日： 2000-10-31
- 发明人: Kazuyuki Hayashi , Mineko Ohsugi , Hiroshi Sumita , Hiroko Morii
- 申请人： Kazuyuki Hayashi , Mineko Ohsugi , Hiroshi Sumita , Hiroko Morii
- 申请人地址： JPX Hiroshima-ken
- 专利权人： Toda Kogyo Corporation
- 当前专利权人： Toda Kogyo Corporation
- 当前专利权人地址： JPX Hiroshima-ken
- 优先权： JPX10-243936 19980828
- 主分类号： C09C1/00
- IPC分类号： C09C1/00 ; C09C1/24 ; C09C3/06 ; C09C1/22 ; C09C1/40
摘要：
A fine yellow composite iron oxide hydroxide pigment of the present invention has an average major axial diameter of not less than 0.005 .mu.m and less than 0.1 .mu.m, which comprises:fine goethite particles as core particles, containing aluminum inside thereof in an amount of 0.05 to 50% by weight, calculated as Al, based on the weight of said core particles; anda composite oxide hydroxide of Fe and Al, coated on the surface of each core particle. Such fine yellow composite iron oxide hydroxide pigment are excellent in transparency and heat resistance.
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