Invention Grant
- Patent Title: Catalyst composition and system having extended lifetime
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Application No.: US17761451Application Date: 2020-09-10
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Publication No.: US11945896B2Publication Date: 2024-04-02
- Inventor: Joseph Coalter, III , Rose Kent , Adam Marwitz , Ronald Epstein , Michael Elder
- Applicant: W.R. Grace & Co.-CONN.
- Applicant Address: US MD Columbia
- Assignee: W.R. Grace & Co.-CONN.
- Current Assignee: W.R. Grace & Co.-CONN.
- Current Assignee Address: US MD Columbia
- Agency: Foley & Lardner LLP
- International Application: PCT/US2020/050042 2020.09.10
- International Announcement: WO2021/055212A 2021.03.25
- Date entered country: 2022-03-17
- Main IPC: C08F110/06
- IPC: C08F110/06 ; C08F4/646 ; C08F4/654
Abstract:
A Ziegler-Natta catalyst composition is disclosed. The catalyst composition includes an internal electron donor with improved polymerization kinetics, a long lifetime, improved stereoselectivity and/or improved hydrogen response.
Public/Granted literature
- US20220380491A1 CATALYST COMPOSITION AND SYSTEM HAVING EXTENDED LIFETIME Public/Granted day:2022-12-01
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