Invention Grant
- Patent Title: Hafnocene catalyst compounds and process for use thereof
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Application No.: US15852553Application Date: 2017-12-22
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Publication No.: US10479846B2Publication Date: 2019-11-19
- Inventor: Laughlin G. McCullough
- 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: C08F10/02
- IPC: C08F10/02 ; C08F210/16 ; C08F4/65 ; C08F4/659
Abstract:
This invention relates to hafnium metallocene compounds having a group substituted (preferably at the 3 position) on at least one cyclopentadienyl ring represented by the formula —R20—SiR′3 or —R20—CR′3 where R20 is a C1 to C4 hydrocarbyl (preferably methyl) and R′ is a C1 to C20 substituted or unsubstituted hydrocarbyl.
Public/Granted literature
- US20180237558A1 Hafnocene Catalyst Compounds and Process for Use Thereof Public/Granted day:2018-08-23
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