| 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. |
| 申请人 |
3M INNOVATIVE PROPERTIES CO., SAINT PAUL |
发明人 |
BUDD, D.;KASAI, TOSHIHIRO;ROSCOE, B.;YOKOYAMA, CHIKAFUMI;BAILEY, E. |
