发明授权
- 专利标题： Transparent microspheres
- 专利标题（中）： 透明微球
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申请号： US09362323申请日： 1999-07-27
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公开(公告)号： US06245700B1公开(公告)日： 2001-06-12
- 发明人: Kenton D. Budd , Toshihiro Kasai , Stephen B. Roscoe , Chikafumi Yokoyama , John E. Bailey
- 申请人： Kenton D. Budd , Toshihiro Kasai , Stephen B. Roscoe , Chikafumi Yokoyama , John E. Bailey
- 主分类号： C03C1202
- IPC分类号： C03C1202
摘要：
Transparent solid microspheres that contain titania plus alumina, zirconia, and/or silica in a total content of at least about 75% by weight, based on the total weight of the solid microspheres, wherein the total content of alumina, zirconia, and titania is greater than the content of silica.
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