公开(公告)号：US10329211B2

公开(公告)日：2019-06-25

申请号：US15594115

申请日：2017-05-12

Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY

Inventor： Dong Won Hwang ,  Ho Jeong Chae ,  MaEum Lee ,  Ji Sun Yoon

IPC: C07C2/08 ,  C07C2/12 ,  C07C2/28

Abstract: Methods for the oligomerization of ethylene, and more specifically, methods for the preparation of mainly ethylene oligomers of C10 or higher are described. A method can include performing a first oligomerization of an ethylene gas using a Ni-containing mesoporous catalyst, followed by a second oligomerization using an ion exchange resin, etc. to produce ethylene oligomers of C10 or higher. The method for the preparation of ethylene oligomers can produce C8-16 ethylene oligomers in high yield without inducing deactivation of the catalyst, compared to the conventional technology of ethylene oligomerization by a one-step process.

公开(公告)号：US20190181331A1

公开(公告)日：2019-06-13

申请号：US16237252

申请日：2018-12-31

Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY

Inventor： Su Yeon LEE ,  Young Min CHOI ,  Sun Ho JEONG ,  Beyong Hwan RYU ,  Eun Jung LEE

IPC: H01L41/187 ,  H01L41/193 ,  H01L41/37

Abstract: The present invention relates to: a paste composition including ceramic particles surface-functionalized with an amine group and a maleic anhydride-grafted elastomer; and a preparation method therefor and, to: a paste composition enabling ceramic particles to have a high content and be highly dispersed, thereby enabling the composition to have a high generation capacity when a device is manufactured; and a preparation method therefor.

公开(公告)号：US20190159450A1

公开(公告)日：2019-05-30

申请号：US16313283

申请日：2017-06-27

Applicant: MOGHU RESEARCH CENTER LTD. ,  KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY

Inventor： Young Kwan KO ,  Eun Ae KIM ,  Ill Young LEE ,  Dong Wan KOO ,  Jae Wook RYU ,  Gyu Hwan YON ,  Hyun Suk YEOM ,  Hee Nam LIM ,  So-Young LEE ,  Chan Yong PARK ,  Mi-Young KWAK ,  Suk-Jin KOO ,  Ki-Hwan HWANG ,  Sung-Hun KIM ,  Jong-Su LIM ,  Dong-Guk LEE ,  Kun-Hoe CHUNG ,  Nam-Gyu CHO ,  Jun-Ho NAM

IPC: A01N43/40 ,  A01N43/707 ,  C07D413/06

Abstract: A pyridine-based compound containing an isoxazoline ring represented by Formula 1 or an agrochemically acceptable salt thereof can be used as a herbicide. A method of preparing the pyridine-based compound containing an isoxazoline ring represented by Formula 1 includes reacting a compound represented by Formula 2 with a compound represented by Formula 3.

公开(公告)号：US10243141B2

公开(公告)日：2019-03-26

申请号：US15102403

申请日：2014-12-23

Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY

Inventor： Sang Il Seok ,  Jun Hong Noh ,  Nam Joong Jeon

IPC: H01L51/42 ,  H01L51/00 ,  C07F7/24

Abstract: Provided is a precursor of an inorganic/organic hybrid perovskite compound, and the precursor of the precursor of the inorganic/organic hybrid perovskite compound according to an exemplary embodiment of the present invention includes an organic positive ion, a metal positive ion, a halogen negative ion, and a guest molecule (GM).

公开(公告)号：US10226757B2

公开(公告)日：2019-03-12

申请号：US15110229

申请日：2015-01-19

Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY ,  HANWHA CHEMICAL CORPORATION

Inventor： Won Choon Choi ,  Yong Ki Park ,  Woo Hyung Lee ,  Hwi Min Seo ,  Na Young Kang ,  Joo Hee Han ,  Dong Ho Lee ,  Gui Ryong Ahn ,  Gil Ho Kim

IPC: B01J23/755 ,  B01J10/00 ,  B01J37/02 ,  B01J23/72 ,  B01J35/02 ,  C01B33/107 ,  B01J4/00 ,  C01B33/06 ,  B01J21/06

Abstract: A method for preparing trichlorosilane according to an embodiment of the present invention comprises the steps of: supplying surface-modified metal silicide and metal grade silicon to a reaction unit; supplying silicon tetrachloride and hydrogen to the reaction unit; and supplying a product, which is generated by a reaction of metal grade silicon, silicon tetrachloride, and hydrogen in the presence of metal silicide in the reaction unit, to a separation unit, and separating a trichlorosilane component. In cases where a silicon tetrachloride hydrochlorination reaction is performed using the method for preparing trichlorosilane according to the embodiment of the present invention, the yield of trichlorosilane can be raised.

公开(公告)号：US10196339B2

公开(公告)日：2019-02-05

申请号：US15540857

申请日：2015-08-24

Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY

Inventor： Jae Hyun Park ,  Jong Wook Bae ,  Tae Sun Chang ,  Beom Sik Kim

IPC: B01J27/22 ,  C07C51/12 ,  B01J31/18 ,  B01J31/40 ,  B01J35/10 ,  B01J37/02 ,  B01J37/04 ,  B01J37/08 ,  B01J37/18 ,  B01J21/18 ,  B01J23/46 ,  B01J37/00 ,  B01J31/20

Abstract: This invention relates to a catalyst used in a carbonylation of methanol using carbon monoxide to acetic acid, and more particularly to a heterogeneous catalyst represented by Rh/WxC (where x is an integer of 1 or 2) in which a complex of a rhodium compound and 3-benzoylpyridine is fixed on a support of tungsten carbide.

公开(公告)号：US20190032094A1

公开(公告)日：2019-01-31

申请号：US16150760

申请日：2018-10-03

Applicant: Korea Research Institute of Chemical Technology

Inventor： Ju Hyun YU ,  Chan Duck JUNG ,  In Yong EOM ,  Seung Hwan LEE ,  Kyung Sik HONG ,  In Chul KIM ,  Jong Geon JEGAL ,  Bong Keun SONG

IPC: C12P7/14 ,  C12P19/56 ,  C12P7/06 ,  C07H1/06 ,  C12P19/14 ,  C13K1/02 ,  C12P7/56 ,  C12P7/10 ,  C07H3/02 ,  C12P19/02

Abstract: The present invention relates to a method for preparing bioethanol from lignocellulosic biomass. The method of the present invention is capable of: minimizing the impurity content of an enzymatic saccharification raw material, by extracting biomass using hot water, before pretreatment, and removing extractable substances such as inorganic salts; suppressing, to the greatest extent, the production of overdecomposition products of sugar, by pretreating the biomass, from which the hot water extractable substances have been removed, in a condition for maximizing xylan yield; preparing fermentable sugar at a low cost, without washing a pretreated solid obtained from subsequent solid-liquid separation, but by only concentrating a sugar solution obtained after enzymatic saccharification, using a separation film; and preparing bioethanol therefrom in high yield.

公开(公告)号：US20190023992A1

公开(公告)日：2019-01-24

申请号：US15908061

申请日：2018-02-28

Applicant: Korea Advanced Institute of Science and Technology ,  Korea Research Institute of Chemical Technology

Inventor： Jeung Ku Kang ,  Hyung Mo Jeong ,  Youngkook Kwon ,  Beom-sik Kim

IPC: C10G2/00 ,  B01J19/08 ,  B01D53/32 ,  C25B3/04

CPC classification number: C10G2/50 ,  B01D53/326 ,  B01D53/8671 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/1025 ,  B01D2255/1026 ,  B01D2255/1028 ,  B01D2255/104 ,  B01D2255/106 ,  B01D2255/2047 ,  B01D2255/2061 ,  B01D2255/20707 ,  B01D2255/20715 ,  B01D2255/20723 ,  B01D2255/2073 ,  B01D2255/20738 ,  B01D2255/20746 ,  B01D2255/20753 ,  B01D2255/20761 ,  B01D2255/20769 ,  B01D2255/20776 ,  B01D2255/20784 ,  B01D2255/20792 ,  B01D2255/2092 ,  B01D2255/2094 ,  B01D2255/806 ,  B01D2257/302 ,  B01D2257/404 ,  B01D2257/504 ,  B01D2258/0283 ,  B01J19/088 ,  B01J2219/0805 ,  B01J2219/0884 ,  B01J2219/0892 ,  C25B3/04

Abstract: The present disclosure relates to a particle including at least one atomic-scale channel formed on a surface of the particle or on a surface and inside of the particle; a catalyst including the particle, particularly a catalyst for efficient and selective electrochemical conversion of carbon dioxide into high value-added C2+ fuel; and a method of preparing the particle.

公开(公告)号：US20190023857A1

公开(公告)日：2019-01-24

申请号：US16138752

申请日：2018-09-21

Applicant: Korea Research Institute of Chemical Technology

Inventor： Jihoon SHIN ,  Yeong Un KIM ,  Min Woo LEE ,  Bong Keun SONG

IPC: C08J3/14 ,  C08B1/00

Abstract: The present invention relates to a method for preparing a non-acid-treated eco friendly cellulose nanocrystal and the cellulose nanocrystals prepared by the same. The methods for preparing the non-acid-treated cellulose nanocrystal and extracting the cellulose nanocrystal from cellulosic materials of the present invention are eco-friendly methods, compared with the conventional preparation method for cellulose nanocrystal based on acid-hydrolysis; are efficient due to the total energy saving process; are easy to utilize side products; and are characterized by high yield to produce the target cellulose nanocrystal. The nanocrystal prepared according to the present invention exhibits equivalent or higher aspect ratio, yield and crystallinity than the cellulose nanocrystal prepared through acid hydrolysis, and has remarkably excellent thermal stability, so that it can be effectively used for the production of membranes, electrical and electronic parts, substrates, heat insulating materials, and reinforcing materials required for durability against heat.

公开(公告)号：US20180366277A1

公开(公告)日：2018-12-20

申请号：US16011387

申请日：2018-06-18

Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY

Inventor： Jang Won SEO ,  Nam Joong JEON ,  Tae Youl YANG ,  Jun Hong NOH ,  Eui Hyuk JUNG

IPC: H01G9/20 ,  H01L51/42 ,  H01L51/00

Abstract: Provided is a perovskite solar cell, and more particularly, a perovskite solar cell including an organometal halide layer having a perovskite structure; and a crystalline material layer stacked while forming an interface with the organometal halide layer, wherein a crystalline material of the crystalline material layer is a crystalline halide having a crystal structure different from the perovskite structure, and the crystalline halide has a band gap energy higher than a band gap energy of an organometal halide of the organometal halide layer, and has a valence band maximum energy level lower than a valence band maximum energy level of the organometal halide.