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1.发明公开公开(公告)号：US20230202969A1
公开(公告)日：2023-06-29
申请号：US17912378
申请日：2021-10-18
发明人： Kee Yoon ROH , Nam Hyun CHO
IPC分类号： C07C253/02 , B01J19/24 , B01J19/00
CPC分类号： C07C253/02 , B01J19/0006 , B01J19/0013 , B01J19/245 , B01J2219/0004 , B01J2219/00051 , B01J2219/00162
摘要： The present disclosure relates a system of preparing a phthalonitrile-based compound using a continuous process, the preparation system including: a first reaction unit filled with a mixture including a phthalic acid-based compound and a nitrile-based compound; a second reaction unit connected to the first reaction unit; and a discharge unit connected to the second reaction unit, and in the second reaction unit, there is a fluid flow from the first reaction unit direction to the discharge unit direction, wherein the length of the second reaction unit in the fluid flow direction is 10 fold or more the mean square root of the cross-sectional area perpendicular to the fluid flow direction; and a method of preparing a phthalonitrile-based compound using the same.
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公开(公告)号：US20240199536A1
公开(公告)日：2024-06-20
申请号：US18285999
申请日：2021-07-21
发明人： Kee Yoon ROH , Nam Hyun CHO , Dong Eon KIM
IPC分类号： C07C253/16 , C07C253/34
CPC分类号： C07C253/16 , C07C253/34
摘要： One embodiment provides a method of preparing a phthalonitrile-based compound, including: (a) preparing a mixture including a phthalic acid-based compound and a nitrile-based compound; and (b) reacting the mixture, wherein step (b) is performed under supercritical conditions of the nitrile-based compound.
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公开(公告)号：US20210163435A1
公开(公告)日：2021-06-03
申请号：US17048444
申请日：2019-05-22
发明人： Kee Yoon ROH , Nam Hyun CHO , Jung Hee JANG , Yuncheol PARK
IPC分类号： C07D303/28 , C07D301/28 , C07D301/32
摘要： Provided is an epoxy reactive diluent, wherein the content of a compound represented by Formula 1 below is 85% by weight or more based on a total weight of an epoxy reactive diluent composition: wherein n is 0, 2, 4 or 6.
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公开(公告)号：US20230084194A1
公开(公告)日：2023-03-16
申请号：US17944676
申请日：2022-09-14
发明人： Kee Yoon ROH , Jung Hee JANG , Je Young PARK , Nam Hyun CHO
IPC分类号： C07C29/20
摘要： An embodiment of the present invention provides a method for preparing hydrogenated bisphenol A, comprising: (a) heating a reactor in which bisphenol A, a solvent, and a ruthenium supported catalyst are added; (b) supplying hydrogen into the reactor to react; and (c) blocking the supply of hydrogen to react.
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公开(公告)号：US20220235020A1
公开(公告)日：2022-07-28
申请号：US17720643
申请日：2022-04-14
发明人： Kee Yoon ROH , Nam Hyun CHO , Jung Hee JANG , Yuncheol PARK
IPC分类号： C07D303/28 , C07D301/28 , C07D301/32
摘要： Provided is an epoxy reactive diluent, wherein the content of a compound represented by Formula 1 below is 85% by weight or more based on a total weight of an epoxy reactive diluent composition: wherein n is 0, 2, 4 or 6.
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