| 发明名称 |
SILICA-BASED BALL- OR PEARL-SHAPED PIGMENT, PROCESS FOR OBTAINING IT AND ITS USE, ESPECIALLY AS A REINFORCING FILLER IN ELASTOMERS |
| 摘要 |
<p>1. A silica-base pigment characterised in that it is in the form of a substantially spherical, solid homogeneous ball with a mean size of more than 80 mu.</p> |
| 申请公布号 |
EP0018866(B2) |
申请公布日期 |
1990.08.08 |
| 申请号 |
EP19800400453 |
申请日期 |
1980.04.04 |
| 申请人 |
RHONE-POULENC INDUSTRIES |
发明人 |
RAY, JEAN-LOUIS;COUDURIER, MAURICE |
| 分类号 |
C08L7/00;C01B33/113;C01B33/18;C01B33/187;C08K3/36;C08K9/00;C08L21/00;C08L23/00;C08L101/00;C09C1/00;C09C1/28;C09C1/30;C09C1/42;(IPC1-7):C09C1/30;C08K3/34 |
主分类号 |
C08L7/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
