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公开(公告)号：US20230192579A1
公开(公告)日：2023-06-22
申请号：US18003432
申请日：2022-05-20
发明人： Hee IL CHAE , Ju-Sik KANG , Jeong Ho PARK , Song LEE , Yu Mi CHANG
IPC分类号： C07C29/158 , C07C29/16 , B01J23/46 , B01J21/18 , C08G63/199
CPC分类号： C07C29/158 , C07C29/16 , B01J23/462 , B01J21/18 , C08G63/199 , C07C2603/68
摘要： Provided are a tricyclodecane dimethanol composition, in which a ratio of structural isomers is controlled, and a preparation method thereof.
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公开(公告)号：US20230192575A1
公开(公告)日：2023-06-22
申请号：US18003441
申请日：2022-05-20
发明人： Hee IL CHAE , Ju-Sik KANG , Jeong Ho PARK , Song LEE , Yu Mi CHANG
IPC分类号： C07C7/177 , C08G63/85 , C08G63/16 , C07C31/27 , C07C45/50 , C07C29/141 , C07C29/84 , B01J23/46 , B01J21/18 , B01J31/24
CPC分类号： C07C7/177 , C08G63/85 , C08G63/16 , C07C31/278 , C07C45/505 , C07C29/141 , C07C29/84 , B01J23/462 , B01J21/18 , B01J31/24 , C07C2603/68
摘要： Provided are a tricyclodecane dimethanol composition which may be usefully applied to the preparation of a high heat resistant polyester by reducing the content of impurities, and a preparation method thereof.
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公开(公告)号：US20220235077A1
公开(公告)日：2022-07-28
申请号：US17715470
申请日：2022-04-07
发明人： Jeong Ho PARK , Hee IL CHAE , Kyung Sil YOON , Ju-Sik KANG , Yu Mi CHANG , Nam-Choul YANG , Jae Kyun PARK , Song LEE
IPC分类号： C07F9/06
摘要： The present invention relates to a phosphine precursor for the preparation of a quantum dot, and a quantum dot prepared therefrom. Using the phosphine precursor for the preparation of a quantum dot of the present invention, a quantum dot with improved luminous efficiency and higher luminous color purity can be provided.
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![METHOD FOR PREPARING 3(4),8(9)-BISFORMYLTRICYCLO[5.2.1.0^2,6]DECANE](/abs-image/US/2021/08/19/US20210253507A1/abs.jpg.150x150.jpg)
公开(公告)号：US20210253507A1
公开(公告)日：2021-08-19
申请号：US16973130
申请日：2019-05-31
发明人： Hee IL CHAE , Jeong Ho PARK , Kyung Sil YOON , Ju-Sik KANG , Yu Mi CHANG , Nam-Choul YANG , Jae Kyun PARK , Song LEE
摘要： A method of preparing 3(4),8(9)-bisformyltricyclo[5.2.1.02,6]decane is provided. According to the present invention, 3(4),8(9)-bisformyltricyclo[5.2.1.02,6]decane (TCDDA) may be prepared with a high conversion rate and purity without a separate catalyst recovery process.
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公开(公告)号：US20230279243A1
公开(公告)日：2023-09-07
申请号：US18003452
申请日：2022-05-20
发明人： Hee IL CHAE , Ju-Sik KANG , Jeong Ho PARK , Song LEE , Yu Mi CHANG
IPC分类号： C09D7/20
CPC分类号： C09D7/20
摘要： Provided are a tricyclodecane dimethanol composition, in which a ratio of isomers is controlled, and a preparation method thereof.
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公开(公告)号：US20230192577A1
公开(公告)日：2023-06-22
申请号：US18003445
申请日：2022-05-20
发明人： Hee IL CHAE , Ju-Sik KANG , Jeong Ho PARK , Song LEE , Yu Mi CHANG
IPC分类号： C07C29/158
CPC分类号： C07C29/158
摘要： Provided are a tricyclodecane dimethanol composition which may be suitably used in preparing a polyester resin exhibiting excellent solvent resistance and chemical resistance when forming a coating film and having excellent solubility in organic solvents or water, and a preparation method thereof.
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公开(公告)号：US20200071608A1
公开(公告)日：2020-03-05
申请号：US16489412
申请日：2018-03-02
发明人： Hee IL CHAE , Jeong Ho PARK , Kyung Sil YOON , Ju-Sik KANG , Yu Mi CHANG , Nam-choul YANG , Jae Kyun PARK , Song LEE
IPC分类号： C09K11/06
摘要： The present invention relates to a phosphine precursor for the preparation of a quantum dot, and a quantum dot prepared therefrom. Using the phosphine precursor for the preparation of a quantum dot of the present invention, a quantum dot with improved luminous efficiency and higher luminous color purity can be provided.
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