- Patent Title: Mixed catalysts with unbridged hafnocenes with -CH2-SiMe3 moieties
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Application No.: US16016060Application Date: 2018-06-22
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Publication No.: US10913808B2Publication Date: 2021-02-09
- Inventor: Matthew W. Holtcamp , Laughlin G. McCullough , Matthew S. Bedoya , David F. Sanders , Charles J. Harlan , Ching-Tai Lue , Subramaniam Kuppuswamy
- Applicant: ExxonMobil Chemical Patents Inc.
- Applicant Address: US TX Baytown
- Assignee: ExxonMobil Chemical Patents Inc.
- Current Assignee: ExxonMobil Chemical Patents Inc.
- Current Assignee Address: US TX Baytown
- Main IPC: C08F210/16
- IPC: C08F210/16 ; C08F4/659 ; C08F4/6592
Abstract:
The present disclosure provides a supported catalyst system and process for use thereof. In particular, the catalyst system includes an unbridged metallocene compound, an additional unbridged metallocene compound having a structure different than the first unbridged metallocene compound, a support material and an activator. The catalyst system may be used for preparing polyolefins.
Public/Granted literature
- US20190040167A1 Mixed Catalysts with Unbridged Hafnocenes with -CH2-SiMe3 Moieties Public/Granted day:2019-02-07
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