专利检索 ap:("W.R. Grace & Co.-CONN.") AND inv:"Rose Kent" 第 1 页

1.

发明授权
Catalyst composition and system having extended lifetime 有权

公开(公告)号：US11945896B2

公开(公告)日：2024-04-02

申请号：US17761451

申请日：2020-09-10

申请人： W.R. Grace & Co.-CONN.

发明人： Joseph Coalter, III , Rose Kent , Adam Marwitz , Ronald Epstein , Michael Elder

IPC分类号： C08F110/06 , C08F4/646 , C08F4/654

CPC分类号： C08F4/6541 , C08F4/6465 , C08F110/06

摘要： 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.