公开(公告)号：EP3564272B1

公开(公告)日：2020-11-04

申请号：EP19179246.4

申请日：2010-09-22

申请人： Chevron Phillips Chemical Company LP

发明人： McDaniel, Max P. ,  Yang, Qing ,  Muninger, Randall S. ,  Benham, Elizabeth A. ,  Clear, Kathy S.

IPC分类号： C08F4/02 ,  C08F10/02 ,  C08F4/6592 ,  B01J31/22

公开(公告)号：EP3564272A1

公开(公告)日：2019-11-06

申请号：EP19179246.4

申请日：2010-09-22

申请人： Chevron Phillips Chemical Company LP

发明人： McDaniel, Max P. ,  Yang, Qing ,  Muninger, Randall S. ,  Benham, Elizabeth A. ,  Clear, Kathy S.

IPC分类号： C08F4/02 ,  C08F10/02 ,  C08F4/6592 ,  B01J31/22

摘要： Silica-coated alumina activator-supports, and catalyst compositions containing these activator-supports, are disclosed. Methods also are provided for preparing silica-coated alumina activator-supports, for preparing catalyst compositions, and for using the catalyst compositions to polymerize olefins.