The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 18, 2012
Filed:
Aug. 20, 2010
Taoyi Zhang, Beijing, CN;
Junling Zhou, Beijing, CN;
Hongtao Wang, Beijing, CN;
Zifang Guo, Beijing, CN;
Qingqiang Gou, Beijing, CN;
Hongxu Yang, Beijing, CN;
Ruixia LI, Beijing, CN;
Shiyuan Xu, Beijing, CN;
Taoyi Zhang, Beijing, CN;
Junling Zhou, Beijing, CN;
Hongtao Wang, Beijing, CN;
Zifang Guo, Beijing, CN;
Qingqiang Gou, Beijing, CN;
Hongxu Yang, Beijing, CN;
Ruixia Li, Beijing, CN;
Shiyuan Xu, Beijing, CN;
Abstract
A catalyst component for ethylene polymerization, comprising an organic silicon compound of the formula (I), below wherein Ris chosen from C-Caliphatic hydrocarbyl groups, and is substituted with at least one substituent chosen from halogens, C-Cacyloxy groups, epoxy, amino, C-Calkylamino groups, di(C-Calkyl)amino groups, C-Calkoxy groups, and oxo group; R, Rand R, which may be the same or different, are each chosen from C-Caliphatic hydrocarbyl, C-Calicyclic hydrocarbyl, C-Caryl, C-Caralkyl, and C-Calkaryl groups. A process for preparing the catalyst component and an active catalyst comprising the catalyst component and useful in polymerization, such as ethylene polymerization.