| 发明名称 |
Process for preparation of rubber mixtures containing silicon dioxide |
| 摘要 |
Rubber mixtures are prepared by using, alongside the other constituents, pyrogenically prepared silicon dioxide in the form of crusts whose tamped bulk density (to DIN EN ISO 787-11) is from 185 to 700 g/l. |
| 申请公布号 |
US8252853(B2) |
申请公布日期 |
2012.08.28 |
| 申请号 |
US20070086307 |
申请日期 |
2007.01.02 |
| 申请人 |
FRIEHMELT RAINER;FROEHLICH JOACHIM;NIEDERMEIER WERNER;HOFMANN RALPH;SCHACHTELY UWE;EVONIK DEGUSSA GMBH |
发明人 |
FRIEHMELT RAINER;FROEHLICH JOACHIM;NIEDERMEIER WERNER;HOFMANN RALPH;SCHACHTELY UWE |
| 分类号 |
C08J11/00 |
主分类号 |
C08J11/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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