Invention Grant
- Patent Title: Catalyst systems and their use in polymerization processes
- Patent Title (中): 催化剂体系及其在聚合过程中的应用
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Application No.: US12148269Application Date: 2008-04-17
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Publication No.: US07989564B2Publication Date: 2011-08-02
- Inventor: Donald Ray Loveday , Moses O. Jejelowo , Sun-Chueh Kao
- Applicant: Donald Ray Loveday , Moses O. Jejelowo , Sun-Chueh Kao
- Applicant Address: US TX Houston
- Assignee: Univation Technologies, LLC
- Current Assignee: Univation Technologies, LLC
- Current Assignee Address: US TX Houston
- Main IPC: C08F4/42
- IPC: C08F4/42 ; B01J31/38
Abstract:
A catalyst system comprising a hafnocene catalyst compound and zirconocene catalyst compound, wherein the hafnocene and/or zirconocene include(s) at least one ligand substituted with at least one linear or iso alkyl group having 3 or more carbon atoms is provided. A process for polymerizing olefin(s) using the same catalyst system is also provided.
Public/Granted literature
- US20080214753A1 Catalyst systems and their use in polymerization processes Public/Granted day:2008-09-04
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