公开(公告)号：US10464050B2

公开(公告)日：2019-11-05

申请号：US16091091

申请日：2017-08-01

申请人： LG CHEM, LTD.

发明人： Ji Yeon Kim ,  Jun Seon Choi ,  Joo Young Cheon ,  Wang Rae Joe ,  Kyung Soo Kim

IPC分类号： B01J27/16 ,  B01J37/03 ,  C07D207/448 ,  B01J37/04 ,  B01J37/08 ,  B01J37/06

摘要： A dehydration catalyst for preparing N-substituted maleimide, which may minimize formation of by-products, is reusable because its activity is not reduced significantly even after being reused several times, and may maintain its reaction activity for a long time, a preparation method thereof, and a method of preparing N-substituted maleimide, are provided.

公开(公告)号：US10046307B2

公开(公告)日：2018-08-14

申请号：US15520382

申请日：2015-12-08

申请人： LG CHEM, LTD.

发明人： Ji Yeon Kim ,  Jun Seon Choi ,  Joo Young Cheon ,  Wang Rae Joe ,  Hye Jeong Ok ,  Kyung Soo Kim

IPC分类号： C07C45/52 ,  B01J37/00 ,  B01J27/00 ,  B01J21/06 ,  B01J27/16 ,  B01J27/18 ,  B01J27/185 ,  B01J27/188 ,  B01J27/195 ,  B01J37/03 ,  C07C47/22

摘要： The present invention relates to: a catalyst for glycerin dehydration; a preparation method therefor; and an acrolein preparation method using the catalyst. According to one embodiment of the present invention, the catalyst is used in glycerin dehydration so as to exhibit high catalytic activity, a high yield and high acrolein selectivity, and has a characteristic in which carbon is not readily deposited, thereby having a long lifetime compared with that of a conventional catalyst.

公开(公告)号：US09527065B2

公开(公告)日：2016-12-27

申请号：US14653670

申请日：2014-11-18

申请人： LG CHEM, LTD.

发明人： Ji Yeon Kim ,  Jun Seon Choi ,  Joo Young Cheon ,  Wang Rae Joe

IPC分类号： C07C45/52 ,  B01J29/46 ,  B01J29/76 ,  B01J29/072 ,  B01J37/04 ,  B01J27/053 ,  B01J27/055 ,  B01J29/42 ,  B01J29/72 ,  B01J37/00 ,  B01J35/00 ,  B01J29/40 ,  B01J29/70

CPC分类号： B01J29/46 ,  B01J27/053 ,  B01J27/055 ,  B01J29/072 ,  B01J29/40 ,  B01J29/405 ,  B01J29/42 ,  B01J29/7007 ,  B01J29/7057 ,  B01J29/7215 ,  B01J29/7615 ,  B01J35/0006 ,  B01J37/0036 ,  B01J37/04 ,  B01J2229/20 ,  C07C45/52 ,  C07C47/22

摘要： The present invention relates to a catalyst for glycerin dehydration, a preparation method thereof, and a preparation method of acrolein. The catalyst for glycerin dehydration exhibits a high glycerin conversion ratio, minimizes by-product formation to improve acrolein selectivity, and also maintains high catalytic activity during reaction.

摘要翻译： 本发明涉及一种用于甘油脱水的催化剂及其制备方法和丙烯醛的制备方法。 用于甘油脱水的催化剂显示出高甘油转化率，使副产物形成最小化以改善丙烯醛选择性，并且还在反应期间保持高的催化活性。

公开(公告)号：US09327276B2

公开(公告)日：2016-05-03

申请号：US14440270

申请日：2014-07-15

申请人： LG CHEM, LTD.

发明人： Jun Seon Choi ,  Ji Yeon Kim ,  Joo Young Cheon ,  Wang Rae Joe

IPC分类号： C07C45/29 ,  B01J37/00 ,  B01J27/00 ,  B01J27/195 ,  C07C29/60 ,  C07C45/52 ,  B01J37/02 ,  B01J37/08 ,  B01J27/053 ,  B01J27/055 ,  B01J27/188 ,  B01J37/04 ,  B01J37/20 ,  B01J37/28

CPC分类号： B01J27/195 ,  B01J27/053 ,  B01J27/055 ,  B01J27/188 ,  B01J37/0236 ,  B01J37/04 ,  B01J37/08 ,  B01J37/20 ,  B01J37/28 ,  B01J2523/00 ,  C07C29/60 ,  C07C45/29 ,  C07C45/52 ,  C07C31/225 ,  C07C47/22 ,  B01J2523/17 ,  B01J2523/62 ,  B01J2523/69 ,  B01J2523/305 ,  B01J2523/51 ,  B01J2523/56 ,  B01J2523/3712

摘要： The present invention relates to a catalyst for glycerin dehydration, a preparation method thereof, and a preparation method of acrolein, and more particularly, to a catalyst for glycerin dehydration which minimizes by-product formation during glycerin dehydration to improve acrolein selectivity and maintains high catalytic activity during reaction.

摘要翻译： 本发明涉及一种用于甘油脱水的催化剂及其制备方法和丙烯醛的制备方法，更具体地说，涉及甘油脱水催化剂，其使甘油脱水期间的副产物形成最小化以改善丙烯醛选择性并保持高催化性 反应过程中的活性。

公开(公告)号：US20240359170A1

公开(公告)日：2024-10-31

申请号：US18274105

申请日：2022-08-01

申请人： LG Chem, Ltd.

发明人： Jun Yeon Cho ,  Sojin Kim ,  Suji Kim ,  Jun Seon Choi ,  Sangjin Kim ,  Jae Soon Choi

IPC分类号： B01J35/00 ,  B01J23/00 ,  B01J23/02 ,  B01J23/58 ,  B01J23/78 ,  B01J23/83 ,  B01J23/86 ,  B01J35/64 ,  B01J35/70 ,  B01J37/02 ,  B01J37/08 ,  B01J37/18 ,  C01B3/40

CPC分类号： B01J35/19 ,  B01J23/002 ,  B01J23/02 ,  B01J23/58 ,  B01J23/78 ,  B01J23/83 ,  B01J23/866 ,  B01J35/657 ,  B01J35/733 ,  B01J37/0225 ,  B01J37/0236 ,  B01J37/0244 ,  B01J37/088 ,  B01J37/18 ,  C01B3/40 ,  B01J2523/24 ,  B01J2523/36 ,  B01J2523/47 ,  B01J2523/821 ,  B01J2523/847 ,  C01B2203/0238 ,  C01B2203/1058 ,  C01B2203/1064 ,  C01B2203/1082 ,  C01B2203/1241

摘要： The catalyst for methane reformation according to an exemplary embodiment of the present application comprises: a porous metal support; a first coating layer provided on the porous metal support and comprising the perovskite-based compound represented by Chemical Formula 1; and a second coating layer provided on the first coating layer and comprising the perovskite-based compound represented by Chemical Formula 2:


SrTiO3  [Chemical Formula 1]



Sr1-xAxTiαByO3-δ  [Chemical Formula 2]



wherein all the variables are described herein.

公开(公告)号：US11369934B2

公开(公告)日：2022-06-28

申请号：US17256573

申请日：2020-08-11

申请人： LG CHEM, LTD.

发明人： Hong Seok Park ,  Jae Hyung Choi ,  Young Seok Ryou ,  Jun Seon Choi ,  Sung Jin Kim

IPC分类号： B01J8/24 ,  B01J8/00 ,  B01J8/38 ,  C07C253/26

摘要： The present invention relates to a fluidized bed reactor. The fluidized bed reactor includes: a catalyst bed; a dust collector provided in an upper portion of the fluidized bed reactor collecting catalyst particles in a gas discharged toward the upper portion of the fluidized bed reactor; and a filter portion provided in a region between the dust collector and the catalyst bed, wherein the filter portion includes a filtering screen and a plurality of conical caps coupled to the filtering screen.

公开(公告)号：US20220002233A1

公开(公告)日：2022-01-06

申请号：US17292566

申请日：2020-09-25

申请人： LG CHEM, LTD.

发明人： Kyungyeon Kang ,  Ji Yeon Kim ,  Jun Seon Choi

IPC分类号： C07C253/26 ,  B01J23/00 ,  B01J37/02 ,  B01J37/08 ,  B01J21/08 ,  B01J23/887 ,  B01J37/04 ,  B01J35/02

摘要： There are provided an ammoxidation catalyst for propylene, a manufacturing method of the same, and an ammoxidation method of propylene using the same. Specifically, according to one embodiment of the invention, there is provided a catalyst having a structure in which metal oxide is supported on a silica carrier, having narrow particle size distribution, and having excellent attrition loss.

公开(公告)号：US09259718B1

公开(公告)日：2016-02-16

申请号：US14432005

申请日：2014-06-20

申请人： LG CHEM, LTD.

发明人： Wang Rae Joe ,  Jun Seon Choi ,  Ji Yeon Kim ,  Joo Young Cheon

IPC分类号： C07C45/00 ,  B01J27/00 ,  B01J37/00 ,  C01B25/00 ,  B01J27/182 ,  C01B25/37 ,  B01J37/28 ,  B01J37/08 ,  C07C45/51

CPC分类号： B01J27/182 ,  B01J23/10 ,  B01J37/036 ,  B01J37/08 ,  B01J37/28 ,  C01B25/37 ,  C07C45/512 ,  C07C45/52 ,  C07C47/22

摘要： The present invention relates to a method for preparing a catalyst for glycerin dehydration, a catalyst for glycerin dehydration prepared thereby, and a method for preparing acrolein. More particularly, the catalyst for glycerin dehydration prepared by the preparation method is able to minimize by-product formation to improve acrolein selectivity and to maintain high catalytic activity during the reaction.

摘要翻译： 本发明涉及一种甘油脱水催化剂的制备方法，由此制备的甘油脱水催化剂及其制备方法。 更具体地，通过制备方法制备的用于甘油脱水的催化剂能够使副产物形成最小化，以提高丙烯醛选择性并在反应期间保持高的催化活性。

公开(公告)号：US20240116032A1

公开(公告)日：2024-04-11

申请号：US18271961

申请日：2022-07-27

申请人： LG Chem, Ltd.

发明人： Suji Kim ,  Jun Yeon Cho ,  Jun Seon Choi ,  Jae Soon Choi ,  Sangjin Kim ,  Sojin Kim

IPC分类号： B01J23/00 ,  B01J35/00 ,  B01J37/02 ,  B01J37/08 ,  C01B3/40

CPC分类号： B01J23/002 ,  B01J35/19 ,  B01J37/0225 ,  B01J37/0236 ,  B01J37/08 ,  C01B3/40 ,  C01B2203/0233 ,  C01B2203/1241

摘要： The catalyst for methane reformation according to an exemplary embodiment of the present application consists of a porous metal support; and a perovskite-based catalyst component supported on the porous metal support and represented by Chemical Formula 1:


Sr1-xAxTi1-yByO3-δ  [Chemical Formula 1]



wherein all the variables are described herein.

公开(公告)号：US20240100508A1

公开(公告)日：2024-03-28

申请号：US18275298

申请日：2022-07-27

申请人： LG Chem, Ltd.

发明人： Sojin Kim ,  Sangjin Kim ,  Suji Kim ,  Jun Yeon Cho ,  Jae Soon Choi ,  Jun Seon Choi

IPC分类号： B01J23/00 ,  B01J35/00 ,  B01J35/64 ,  B01J37/02 ,  C01B3/40

CPC分类号： B01J23/002 ,  B01J35/19 ,  B01J35/657 ,  B01J37/0211 ,  B01J37/0213 ,  B01J37/0236 ,  C01B3/40 ,  C01B2203/0227 ,  C01B2203/1241

摘要： The catalyst for methane reformation according to an exemplary embodiment of the present application comprises: a porous metal support; perovskite-based catalyst particles supported on the porous metal support; and a perovskite-based binder supported on the porous metal support, and the perovskite-based catalyst particles and the perovskite-based binder each independently comprise the compound represented by Chemical Formula 1:


Sr1-xAxTi1-yByO3-δ  [Chemical Formula 1]



wherein all the variables are described herein.