专利检索 ap:("LG Chem, Ltd.") AND inv:"Jeong Sik Kim" 第 1 页

1.

发明申请
Catalyst Composition and Method for Preparing Isobutene-Isoprene Copolymer Using the Same 有权

公开(公告)号：US20230099302A1

公开(公告)日：2023-03-30

申请号：US17792920

申请日：2021-09-07

申请人： LG Chem, Ltd.

发明人： Jeong Sik Kim , Hee Jeong Kim , Gyeong Shin Choi , Won Hee Kim

IPC分类号： C08F4/54 , C08F210/12 , C08F236/08 , C08F4/52 , C07F5/02

摘要： The present invention relates to a catalyst composition including an imidazolinium ion-based catalyst and an aluminum-based cocatalyst, and a method for preparing an isobutene-isoprene copolymer using the same.

2.

发明申请
Organic Borate-Based Catalyst, Method For Preparing Isobutene Oligomer Using The Same And Isobutene Oligomer Prepared Thereby 有权

公开(公告)号：US20220204533A1

公开(公告)日：2022-06-30

申请号：US17601544

申请日：2020-08-19

申请人： LG Chem, Ltd.

发明人： Gyeong Shin Choi , Ji Hyun Choi , Won Hee Kim , Jin Lee , Dong Hyun Jo , Jeong Sik Kim

IPC分类号： C07F5/02 , C08F110/10 , C07F7/18

摘要： The present invention relates to an organic borate-based catalyst including a compound represented by the following Formula 1 and a hydroxyl group-containing compound, a method for preparing an isobutene oligomer using the same and an isobutene oligomer prepared thereby: wherein R0, R1 to R4, o, p, q and r are described therein.