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公开(公告)号：US09592496B2
公开(公告)日：2017-03-14
申请号：US14763104
申请日：2014-11-14
Applicant: LG CHEM, LTD.
Inventor： Dae Chul Kim , Dong Hyun Ko , Sung June Cho , Jun Han Kang , Kyong Yong Cha , Joo Hyuck Lee , Hyun Seok Nam , Dae Heung Choi , Myung Ji Suh , Ye Seul Hwang , Jun Kyu Han , Sang Jin Han
IPC: B01J23/02 , B01J23/18 , B01J23/28 , B01J23/31 , C07C5/48 , C07C11/16 , C07C11/167 , B01J27/236 , B01J37/04 , B01J37/02 , B01J37/08 , C01F7/00 , B01J23/00 , B01J23/887 , B01J35/00 , B01J37/03 , B01J37/00 , B01J35/10
CPC classification number: B01J27/236 , B01J23/002 , B01J23/007 , B01J23/31 , B01J23/8876 , B01J35/002 , B01J35/1009 , B01J35/1014 , B01J35/1019 , B01J35/1038 , B01J35/1042 , B01J37/0009 , B01J37/0036 , B01J37/0236 , B01J37/03 , B01J37/04 , B01J37/08 , B01J2523/00 , C01F7/005 , C07C5/48 , C07C2523/28 , C07C2523/31 , C07C11/167 , B01J2523/54 , B01J2523/68 , B01J2523/842 , B01J2523/845 , B01J2523/22 , B01J2523/31
Abstract: Disclosed are a catalyst composition for oxidative dehydrogenation and a method of preparing the same. More particularly, disclosed is a catalyst composition comprising a multi-ingredient-based metal oxide catalyst and a mixed metal hydroxide. The catalyst composition and the method of preparing the same according to the present disclosure may prevent loss occurring in a filling process due to superior mechanical durability and wear according to long-term use, may inhibit polymer formation and carbon deposition during reaction, and may provide a superior conversion rate and superior selectivity.
Abstract translation: 公开了用于氧化脱氢的催化剂组合物及其制备方法。 更具体地，公开了包含多成分基金属氧化物催化剂和混合金属氢氧化物的催化剂组合物。 根据本公开的催化剂组合物及其制备方法可以防止由于优异的机械耐久性和根据长期使用的磨损而在填充过程中发生的损失，可能抑制反应期间的聚合物形成和碳沉积，并且可以提供 转化率高，选择性好。
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22.发明授权公开(公告)号：US09505908B2
公开(公告)日：2016-11-29
申请号：US14721572
申请日：2015-05-26
Applicant: LG CHEM, LTD.
Inventor： Mi Yeon Lee , Dong Hyun Ko , Hyun Kyu Kim , Da Won Jung , Gyu Il Lee
Abstract: Disclosed are a plasticizer that, when used for a heat-resistant resin composition, improves elongation retention, enhances aging resistance and heat resistance, and exhibits superior tensile strength, tensile strength retention, heating loss or the like before and after heating, thus contributing to enhancement in physical properties of the heat-resistant resin, a plasticizer composition, a heat-resistant resin composition and a method for preparing the same.
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公开(公告)号：US09487461B2
公开(公告)日：2016-11-08
申请号：US14441765
申请日：2014-07-21
Applicant: LG CHEM, LTD.
Inventor： Sung Shik Eom , Min Soo Kim , Tae Yun Kim , Dong Hyun Ko
CPC classification number: C07C45/75 , C07C45/86 , C07C47/263
Abstract: Disclosed is a method of preparing methylol alkanal. According to the present invention, a yield of methylol alkanal may be improved without using formaldehyde in an excess amount of a theoretical minimum molar ratio or more, formaldehyde wastewater may be reduced, and the amount of formaldehyde remainder, which may act as a hydrogenation catalyst poison, comprised in the methylol alkanal is decreased when the prepared methylol alkanal is hydrogenated resulting in improvement in efficiency of the hydrogenation.
Abstract translation: 公开了制备羟甲基链烷醛的方法。 根据本发明，可以在不使用超过理论最小摩尔比或更多的甲醛的情况下改善羟甲基链烷酸的收率，甲醛废水可能降低，甲醛剩余量可作为氢化催化剂 当制备的羟甲基链烷醛被氢化时，包含在羟甲基链烷醛中的毒素降低，从而提高氢化效率。
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24.发明申请PLASTICIZER, PLASTICIZER COMPOSITION, HEAT-RESISTANT RESIN COMPOSITION AND METHOD FOR PREPARING THE SAME 有权塑化剂，增塑剂组合物，耐热树脂组合物及其制备方法公开(公告)号：US20140096703A1
公开(公告)日：2014-04-10
申请号：US14052100
申请日：2013-10-11
Applicant: LG CHEM, LTD.
Inventor： Mi Yeon Lee , Dong Hyun Ko , Hyun Kyu Kim , Da Won Jung , Gyu Il Lee
IPC: C08K5/12
Abstract: Disclosed are a plasticizer that, when used for a heat-resistant resin composition, improves elongation retention, enhances aging resistance and heat resistance, and exhibits superior tensile strength, tensile strength retention, heating loss or the like before and after heating, thus contributing to enhancement in physical properties of the heat-resistant resin, a plasticizer composition, a heat-resistant resin composition and a method for preparing the same.
Abstract translation: 公开了一种增塑剂，当用于耐热树脂组合物时，提高延伸保持性，提高耐老化性和耐热性，并且在加热前后表现出优异的拉伸强度，拉伸强度保持率，加热损失等，从而有助于 增强耐热树脂的物理性能，增塑剂组合物，耐热树脂组合物及其制备方法。
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公开(公告)号：US11858874B2
公开(公告)日：2024-01-02
申请号：US17761149
申请日：2021-08-30
Applicant: LG CHEM, LTD.
Inventor： Jaekwon Jeoung , Dong Hyun Ko , Sunhwan Hwang , Jun Han Kang , Sang Jin Han
Abstract: A method for preparing alpha-methylstyrene according to one embodiment of the present disclosure includes dehydrating a dimethylbenzyl alcohol solution in a reactor under an acid catalyst to prepare alpha-methylstyrene, where a reaction product after the dehydration reaction comprises a first reaction product including a first alpha-methylstyrene; and a second reaction product including vapor (H2O), a second alpha-methylstyrene and unreacted materials; and separating the second alpha-methylstyrene and the unreacted materials comprised in the second reaction product and recirculating the second alpha-methylstyrene and the unreacted materials to the reactor, a temperature inside the reactor during the dehydration reaction is 135° C. or higher, and a content of the acid catalyst is from 100 ppm to 1,500 ppm based on a total weight of dimethylbenzyl alcohol of the dimethylbenzyl alcohol solution.
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Patent Agency Ranking
26.发明授权公开(公告)号：US11465131B2
公开(公告)日：2022-10-11
申请号：US16963161
申请日：2019-02-26
Applicant: LG Chem, LTD.
Inventor： Joohyuck Lee , Dong Hyun Ko , Kyong Yong Cha , Myungji Suh
Abstract: The method for preparing a ferrite-based coating catalyst including mixing a support, a ferrite-based catalyst, a cellulose-based additive, and water, in which a content of the cellulose-based additive is 0.5 wt % or less based on a total weight of the ferrite-based catalyst.
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公开(公告)号：US20210387152A1
公开(公告)日：2021-12-16
申请号：US17274737
申请日：2020-08-12
Applicant: LG CHEM, LTD.
Inventor： Joo Young Cheon , Dong Hyun Ko , Jun Han Kang , Sang Jin Han , Hyun Jin Cho , Jae Kwon Jeoung
IPC: B01J8/06
Abstract: A socket-type fluid distributor for distributing and supplying a gas and/or liquid reactant into a reactor body. The socket-type fluid distributor includes: a distributor body, a bottom portion of which is inserted into the reactor body; a mixing flow path formed in a central portion of the distributor body such that the mixing flow path penetrates through the distributor body into the reactor body; a gas reactant input portion disposed above the distributor body and having a gas flow path; a liquid reactant input portion disposed between the distributor body and the gas reactant input portion and having a liquid flow path; and a flow control portion formed in the mixing flow path.
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公开(公告)号：US20210129124A1
公开(公告)日：2021-05-06
申请号：US17141574
申请日：2021-01-05
Applicant: LG CHEM, LTD.
Inventor： Mi Young Kim , Sung Shik Eom , Dong Hyun Ko , Da Won Jung , Tae Yun Kim , Min Ji Choi
Abstract: A hydroformylation catalyst having excellent catalytic activity and stability, a composition including the hydroformylation catalyst, and a method of preparing an aldehyde using the hydroformylation catalyst, wherein, when hydroformylation of an olefin compound is performed in the presence of the hydroformylation catalyst to prepare an aldehyde, the normal/iso (n/i) ratio of the prepared aldehyde is lowered, and synthesis gas yield is increased.
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公开(公告)号：US10926246B2
公开(公告)日：2021-02-23
申请号：US15744721
申请日：2017-03-15
Applicant: LG CHEM, LTD.
Inventor： Jun Kyu Han , Dong Hyun Ko , Kyong Yong Cha , Myung Ji Suh , Sun Hwan Hwang , Seong Min Kim
IPC: B01J23/745 , B01J37/03 , B01J23/78 , B01J23/80 , B01J23/75 , B01J23/889 , B01J27/053 , B01J27/10 , B01J27/25 , B01J35/02 , B01J35/10 , B01J37/00 , B01J21/00 , B01J21/10 , B01J35/00 , B01J37/08 , C07C5/48 , B01J23/00 , B01J23/85
Abstract: The present invention relates to a method of preparing a catalyst for oxidative dehydrogenation. More particularly, the present invention provides a method of preparing a catalyst for oxidative dehydrogenation providing superior selectivity and yield for a conjugated diene according to oxidative dehydrogenation by constantly maintaining pH of a coprecipitation solution using a drip-type double precipitation method to adjust an α-iron oxide content in a catalyst in a predetermined range.
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30.发明授权公开(公告)号：US10343958B2
公开(公告)日：2019-07-09
申请号：US15561316
申请日：2017-03-30
Applicant: LG CHEM, LTD.
Inventor： Myung Ji Suh , Jun Han Kang , Dong Hyun Ko , Seong Min Kim , Hyun Seok Nam , Joo Hyuck Lee , Kyong Yong Cha , Dae Heung Choi , Sang Jin Han , Jun Kyu Han , Sun Hwan Hwang , Ye Seul Hwang
IPC: C07C5/48 , B01J35/04 , B01J23/80 , B01J37/02 , B01J37/08 , B01J37/03 , B01J35/02 , B01J37/00 , B01J23/74 , B01J23/78 , B01J23/84 , C07C7/20 , C07C11/08
Abstract: The present invention relates to a catalyst for coating a surface of a porous material and a method of treating the surface of the porous material. More particularly, when the catalyst for coating a surface of a porous material and the method of treating the surface of the porous material of the present invention are used for butadiene synthesis reaction under high gas space velocity and high pressure conditions, heat generation may be easily controlled and differential pressure may be effectively alleviated, thereby providing improved reactant conversion rate and product selectivity.
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