| 发明名称 |
Preparation of ethylene polymers |
| 摘要 |
Ethylene based polymers having high molecular weights can be obtained in high yields at temperatures of industrial interest, by carrying out the polymerization reaction in the presence of catalysts comprising silicon bridged metallocenes having a particular ligand system containing a heteroatom.
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| 申请公布号 |
US2004097669(A1) |
申请公布日期 |
2004.05.20 |
| 申请号 |
US20030700095 |
申请日期 |
2003.11.03 |
| 申请人 |
BASELL POLYOLEFINE GMBH |
发明人 |
DALL'OCCO TIZIANO;FUSCO OFELIA;GALIMBERTI MAURIZIO;NIFANT'EV ILYA;LAISHEVTSEV ILYA |
| 分类号 |
C08F4/602;C07F7/08;C07F17/00;C08F4/642;C08F4/659;C08F4/6592;C08F10/00;C08F10/02;C08F210/16;C08F210/18;(IPC1-7):C08F4/44 |
主分类号 |
C08F4/602 |
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