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1.发明申请公开(公告)号：US20150045603A1
公开(公告)日：2015-02-12
申请号：US14385570
申请日：2013-03-15
发明人： Tack Kyu Han , Min Seon Jung , Dong Chul Shin , Ho Seong Lee , Sung Seok Chae , Jong Sok Han
CPC分类号： B01J31/2495 , B01J31/12 , B01J31/22 , B01J31/34 , B01J2231/12 , B01J2231/20 , B01J2531/0238 , B01J2531/62 , C07C2/32 , C07C2/36 , C07C11/107 , C07C2531/24 , C07C2531/34 , C07F11/00 , C07C11/02
摘要： This invention relates to a catalyst system for selective oligomerization of ethylene, which includes (i) a chromium compound; (ii) a ligand having a P—C—C—P backbone structure; and (iii) an activator, thus preparing 1-hexene and/or 1-octene with high activity and selectivity.
摘要翻译： 本发明涉及一种选择性低聚乙烯的催化剂体系，其包括（i）铬化合物; （ii）具有P-C-C-P骨架结构的配体; 和（iii）活化剂，从而以高活性和选择性制备1-己烯和/或1-辛烯。
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公开(公告)号：US20190308178A1
公开(公告)日：2019-10-10
申请号：US16300973
申请日：2017-05-11
发明人： Sang Ick Lee , Eun Jung Baek , Sun Young Kim , Hyo Seung Park , Min Seon Jung
摘要： The present invention relates to an oligomerization catalyst a transition metal or transition metal precursor, a halogen-substituted organic ligand, and a heteroatom ligand, and to a method for selectively preparing 1-hexene or 1-octene from ethylene using the catalyst.
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3.发明授权公开(公告)号：US09375709B2
公开(公告)日：2016-06-28
申请号：US14385570
申请日：2013-03-15
发明人： Tack Kyu Han , Min Seon Jung , Dong Chul Shin , Ho Seong Lee , Sung Seok Chae , Jong Sok Han
IPC分类号： B01J31/34 , C07C2/06 , B01J31/24 , B01J31/12 , B01J31/22 , C07F11/00 , C07C11/107 , C07C2/32 , C07C2/36
CPC分类号： B01J31/2495 , B01J31/12 , B01J31/22 , B01J31/34 , B01J2231/12 , B01J2231/20 , B01J2531/0238 , B01J2531/62 , C07C2/32 , C07C2/36 , C07C11/107 , C07C2531/24 , C07C2531/34 , C07F11/00 , C07C11/02
摘要： This invention relates to a catalyst system for selective oligomerization of ethylene, which includes (i) a chromium compound; (ii) a ligand having a P—C—C—P backbone structure; and (iii) an activator, thus preparing 1-hexene and/or 1-octene with high activity and selectivity.
摘要翻译： 本发明涉及一种选择性低聚乙烯的催化剂体系，其包括（i）铬化合物; （ii）具有P-C-C-P骨架结构的配体; 和（iii）活化剂，从而以高活性和选择性制备1-己烯和/或1-辛烯。
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公开(公告)号：US11235315B2
公开(公告)日：2022-02-01
申请号：US16300973
申请日：2017-05-11
发明人： Sang Ick Lee , Eun Jung Baek , Sun Young Kim , Hyo Seung Park , Min Seon Jung
IPC分类号： B01J31/18 , B01J31/14 , B01J31/22 , B01J31/24 , C07C2/32 , C07C2/36 , C08F10/14 , C08F2/44 , C08F10/02 , C08F4/12 , C08F4/69 , C07C11/02
摘要： The present invention relates to an oligomerization catalyst including a transition metal or transition metal precursor, a halogen-substituted organic ligand, and a heteroatom ligand, and to a method for selectively preparing 1-hexene or 1-octene from ethylene using the catalyst.
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公开(公告)号：US11970578B2
公开(公告)日：2024-04-30
申请号：US17412755
申请日：2021-08-26
发明人： Min Seon Jung , Hyo Shin Kwak , Joo Hyun Lee
CPC分类号： C08G73/1085 , C08J5/18 , C08J2379/08
摘要： The present invention relates to a polyimide precursor, a polyimide precursor solution, a polyimide film, a manufacturing method thereof, and a use thereof. The polyimide precursor according to the present invention may provide a polyimide film that has excellent heat resistance and satisfies transparency and a low coefficient of linear thermal expansion, and thus the polyimide film will be usefully applicable in the field of flexible displays requiring high dimensional stability.
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公开(公告)号：US20220073480A1
公开(公告)日：2022-03-10
申请号：US17463873
申请日：2021-09-01
发明人： Min Seon Jung , Hyo Shin Kwak , Joo Hyun Lee
IPC分类号： C07D263/57
摘要： The present invention relates to a diamine compound, a method of preparing the same, and a composition containing the same. The diamine compound of the present invention may be very usefully used as a monomer used to produce a polyimide film having excellent heat resistance and improved transparency and coefficient of thermal expansion.
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公开(公告)号：US11851412B2
公开(公告)日：2023-12-26
申请号：US17463873
申请日：2021-09-01
发明人： Min Seon Jung , Hyo Shin Kwak , Joo Hyun Lee
IPC分类号： C07D263/57
CPC分类号： C07D263/57
摘要： The present invention relates to a diamine compound, a method of preparing the same, and a composition containing the same. The diamine compound of the present invention may be very usefully used as a monomer used to produce a polyimide film having excellent heat resistance and improved transparency and coefficient of thermal expansion.
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公开(公告)号：US20220073681A1
公开(公告)日：2022-03-10
申请号：US17412755
申请日：2021-08-26
发明人： Min Seon Jung , Hyo Shin Kwak , Joo Hyun Lee
摘要： The present invention relates to a polyimide precursor, a polyimide precursor solution, a polyimide film, a manufacturing method thereof, and a use thereof. The polyimide precursor according to the present invention may provide a polyimide film that has excellent heat resistance and satisfies transparency and a low coefficient of linear thermal expansion, and thus the polyimide film will be usefully applicable in the field of flexible displays requiring high dimensional stability.
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