公开(公告)号：US20220259045A1

公开(公告)日：2022-08-18

申请号：US17735638

申请日：2022-05-03

Applicant: LG CHEM, LTD.

Inventor： Sung Jin Kim ,  Jae Keun Yoon ,  Dong Hyun Cho ,  Hyun Joon Kang ,  Byung Yul Choi ,  Duk Ki Kim ,  Hyun Woo Park ,  Hyo Sang You

IPC: C01B32/162 ,  H01B1/04 ,  B01J23/847

Abstract: The present invention relates to a bundle-type carbon nanotube which has a bulk density of 25 to 45 kg/m3, a ratio of the bulk density to a production yield of 1 to 3, and a ratio of a tap density to the bulk density of 1.3 to 2.0, and a method for preparing the same.

公开(公告)号：US10569260B2

公开(公告)日：2020-02-25

申请号：US16075887

申请日：2017-10-25

Applicant: LG CHEM, LTD.

Inventor： Byung Yul Choi ,  Young Hyun Choe ,  Duk Ki Kim ,  Hyun Jong Shin ,  Ju Yeon Park ,  Hyun Sub Lim ,  Hyo Sang You

IPC: C07C51/25 ,  B01J27/00 ,  B01J23/00 ,  B01J27/199 ,  B01J27/18 ,  B01J23/88 ,  B01J37/00 ,  B01J23/28 ,  C07C57/04 ,  B01J37/02 ,  B01J37/04 ,  B01J37/08

Abstract: The present invention relates to a method for preparing a catalyst and a method for preparing unsaturated carboxylic acid using the catalyst prepared according to the preparation method. According to the method for preparing a catalyst, unsaturated carboxylic acid can be provided from an unsaturated aldehyde with a high conversion rate and selectivity.

公开(公告)号：US11352260B2

公开(公告)日：2022-06-07

申请号：US16318973

申请日：2018-03-16

Applicant: LG CHEM, LTD.

Inventor： Sung Jin Kim ,  Jae Keun Yoon ,  Dong Hyun Cho ,  Hyun Joon Kang ,  Byung Yul Choi ,  Duk Ki Kim ,  Hyun Woo Park ,  Hyo Sang You

IPC: C01B32/162 ,  H01B1/04 ,  B01J23/847

Abstract: The present invention relates to a bundle-type carbon nanotube which has a bulk density of 25 to 45 kg/m3, a ratio of the bulk density to a production yield of 1 to 3, and a ratio of a tap density to the bulk density of 1.3 to 2.0, and a method for preparing the same.

公开(公告)号：US09433931B2

公开(公告)日：2016-09-06

申请号：US14890545

申请日：2015-07-06

Applicant: LG CHEM, LTD.

Inventor： Byung Yul Choi ,  Hyun Jong Shin ,  Ju Yeon Park ,  Young Hyun Choi ,  Duk Ki Kim ,  Hyun Sub Lim

IPC: B01J37/04 ,  C07C51/235 ,  B01J23/889 ,  B01J23/888 ,  B01J37/02 ,  B01J37/08

CPC classification number: B01J23/8892 ,  B01J23/8885 ,  B01J23/8898 ,  B01J35/026 ,  B01J35/08 ,  B01J37/0045 ,  B01J37/0215 ,  B01J37/0228 ,  B01J37/0236 ,  B01J37/04 ,  B01J37/08 ,  B01J2523/00 ,  C07C51/235 ,  B01J2523/17 ,  B01J2523/24 ,  B01J2523/55 ,  B01J2523/56 ,  B01J2523/68 ,  B01J2523/69 ,  B01J2523/72 ,  B01J2523/842 ,  B01J2523/845 ,  B01J2523/847

Abstract: Disclosed are a high-performance polyoxometalate catalyst and a method of preparing the same. More particularly, disclosed are a high-performance polyoxometalate catalyst which may enhance activity and selectivity by controlling the content of vanadium, etc. exhibits superior reproducibility, and may produce unsaturated carboxylic acid with high yield and long lifespan from unsaturated aldehyde, and a method of preparing the same.

Abstract translation: 公开了一种高性能多金属氧酸盐催化剂及其制备方法。 更具体地，公开了一种高性能多金属氧酸盐催化剂，其可以通过控制钒的含量等来提高活性和选择性，显示出优异的再现性，并且可以从不饱和醛产生高产率和长寿命的不饱和羧酸，以及 准备一样

公开(公告)号：US09919295B2

公开(公告)日：2018-03-20

申请号：US15502036

申请日：2016-06-24

Applicant: LG CHEM, LTD.

Inventor： Byung Yul Choi ,  Hyun Jong Shin ,  Young Hyun Choe ,  Duk Ki Kim ,  Hyun Sub Lim ,  Hyo Sang You

IPC: B01J27/199 ,  B01J27/14 ,  B01J27/057 ,  B01J23/755 ,  B01J23/75 ,  B01J23/745 ,  B01J23/72 ,  B01J23/50 ,  B01J23/46 ,  B01J23/34 ,  B01J23/30 ,  B01J23/28 ,  B01J23/26 ,  B01J23/22 ,  B01J23/20 ,  B01J23/18 ,  B01J23/14 ,  B01J23/10 ,  B01J23/04 ,  B01J23/02 ,  B01J21/10 ,  B01J21/06 ,  B01J21/02

CPC classification number: B01J27/199 ,  B01J21/02 ,  B01J21/06 ,  B01J21/063 ,  B01J21/066 ,  B01J21/10 ,  B01J23/02 ,  B01J23/04 ,  B01J23/10 ,  B01J23/14 ,  B01J23/18 ,  B01J23/20 ,  B01J23/22 ,  B01J23/26 ,  B01J23/28 ,  B01J23/30 ,  B01J23/34 ,  B01J23/464 ,  B01J23/50 ,  B01J23/6525 ,  B01J23/6527 ,  B01J23/6562 ,  B01J23/686 ,  B01J23/687 ,  B01J23/688 ,  B01J23/72 ,  B01J23/745 ,  B01J23/75 ,  B01J23/755 ,  B01J23/8878 ,  B01J23/8885 ,  B01J23/8898 ,  B01J23/8993 ,  B01J27/0576 ,  B01J27/14 ,  B01J35/08 ,  B01J37/0219 ,  B01J37/0221 ,  B01J37/0228 ,  B01J37/0232 ,  B01J2523/00 ,  C07C51/235 ,  B01J2523/17 ,  B01J2523/24 ,  B01J2523/55 ,  B01J2523/56 ,  B01J2523/68 ,  B01J2523/69 ,  B01J2523/72 ,  B01J2523/842 ,  C07C57/04

Abstract: The present invention relates to a high-performance polyoxometalate catalyst and a method of preparing the same. More particularly, the present invention provides a high-performance polyoxometalate catalyst, the activity and selectivity of which may be improved by controlling the content of vanadium and the like and which has superior reproducibility and may unsaturated carboxylic acid from unsaturated aldehyde in a high yield for a long time, a method of preparing the same, and the like.