Patents Assigned to Korea Research Institute of Chemical Technology
  • Metal-loaded zeolite catalyst for dehydrogenation of light alkane and preparation method thereof
    Patent number: 10487024
    Abstract: The present invention relates to a zeolite catalyst for preparing light alkene by dehydrogenation of light alkane including a cocatalyst metal selected from tin (Sn), germanium (Ge), lead (Pb), gallium (Ga) and indium (In), and a preparation method of the same. The catalyst of the present invention is prepared by using the zeolite having a relatively high pore diameter, a structure of at least 12-membered ring, and a low acidity due to a SiO2/Al2O3 ratio of at least 50, so that it can suppress the inactivation of a catalyst caused by pore clogging due to the formation of coke. Therefore the catalyst of the present invention can be effectively used as a catalyst for the preparation of light alkene by dehydrogenation of light alkane.
    Type: Grant
    Filed: April 11, 2018
    Date of Patent: November 26, 2019
    Assignee: Korea Research Institute of Chemical Technology
    Inventors: Jeong-Rang Kim, Soo Jin Kwon, Hyung Ju Kim
  • Apparatus for observing fine object
    Patent number: 10484614
    Abstract: An apparatus for observing a fine object is disclosed. The observation apparatus includes: a camera configured to capture each of a plurality of fine objects contained in at least some of a plurality of partitioned wells of a plate; a drive unit configured to allow the camera to relatively move with respect to the plate in such a manner that the camera scans the plate; and a controller configured to control the drive unit in such a manner that the camera captures only at least some wells having the plurality of fine objects from among the plurality of wells. The controller determines a shortest movement route of the camera on the basis of a position of at least some wells having the plurality of fine objects, and controls the drive unit in such a manner that the camera moves in the determined shortest movement route.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: November 19, 2019
    Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventor: Woo-Keun Kim
  • OLEFIN PRODUCTION METHOD USING CIRCULATING FLUIDIZED BED PROCESS
    Publication number: 20190330125
    Abstract: Disclosed is an olefin production method which includes: (a) providing the regenerated catalyst and the hydrocarbon including not less than 90 wt % of LPG into Riser of Fast Fluidization Regime, and dehydrogenating in the presence of an alumina type catalyst; (b) separating an effluent from the dehydrogenation reaction into the catalyst and propylene mixture; (c) stripping to remove the hydrocarbon compound included in the catalyst separated at stage (b); (d) mixing the catalyst stripped at stage (c) with the gas including oxygen, and continuously regenerating it; (e) recycling the catalyst regenerated at stage (d) to stage (a), and providing it again into Riser; and (f) producing propylene product by cooling, compressing and separating propylene mixture of the reaction product separated at stage (b).
    Type: Application
    Filed: May 1, 2018
    Publication date: October 31, 2019
    Applicants: SK GAS CO., LTD., KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Deuk Soo PARK, Ung Gi HONG, Hyeongchan AHN, Won Choon CHOI, Yong Ki PARK
  • Separation membrane for olefin separation and olefin separation method using the same
    Patent number: 10434463
    Abstract: A separation membrane for olefin separation and olefin separation method using the same are provided.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: October 8, 2019
    Assignee: Korea Research Institute of Chemical Technology
    Inventors: Jeong Hoon Kim, Su Young Moon, Bong Jun Chang
  • Double crosslinked sodium alginate/polyvinyl alcohol composite nanofiltration membrane and preparation method thereof
    Patent number: 10427104
    Abstract: Provided is a double crosslinked sodium alginate/polyvinyl alcohol composite nanofiltration membrane, including: a porous polymer support; and a sodium alginate/polyvinyl alcohol blend coating layer formed on the porous polymer support and having a first crosslinking structure formed by complexation with divalent metal ions and a second crosslinking structure formed by acetalization with aldehyde groups. The double crosslinked sodium alginate/polyvinyl alcohol composite nanofiltration membrane disclosed herein not only shows excellent chlorine resistance but also has improved water permeation flux and salt rejection ratio, and thus may be manufactured in the form of a spirally wound type membrane module and applied to a water treatment system in which it may be utilized for an actual nanofiltration separation process.
    Type: Grant
    Filed: March 8, 2016
    Date of Patent: October 1, 2019
    Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Saira Bano, Asif Mahmood, Seong-Joong Kim, Kew Ho Lee
  • ORGANIC-INORGANIC HYBRID NANOPOROUS MATERIAL CONTAINING INTRAMOLECULAR ACID ANHYDRIDE FUNCTIONAL GROUP, COMPOSITION FOR ADSORPTION COMPRISING THE SAME, AND USE THEREOF FOR SEPARATION OF HYDROCARBON GAS MIXTURE
    Publication number: 20190291075
    Abstract: The present invention relates to an organic-inorganic hybrid nanoporous material, maintaining a nanoporous skeleton structure formed by coordination of an organic ligand containing an aromatic compound to a trivalent central metal ion, and further having an intramolecular acid anhydride functional group modified on the aromatic compound of the nanoporous skeleton structure, and thereby exhibits selectivity for olefins, and an adsorbent comprising the same. Specifically, the organic-inorganic hybrid nanoporous material of the present invention exhibits an excellent olefin-selective adsorption capacity through differences in adsorption equilibrium and adsorption rate, and thus can be usefully employed in the separation of C2-C4 hydrocarbons.
    Type: Application
    Filed: October 17, 2017
    Publication date: September 26, 2019
    Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Ji Woong YOON, Jong San CHANG, Young Kyu HWANG, Kyung Ho CHO, U Hwang LEE, Su Kyung LEE, Ji Sun LEE
  • NOVEL PYRIMIDINE COMPOUND, METHOD FOR PREPARING SAME, AND PHARMACEUTICAL COMPOSITION CONTAINING SAME AS ACTIVE INGREDIENT FOR PREVENTING OR TREATING CANCER AND INFLAMMATORY DISEASES
    Publication number: 20190284143
    Abstract: The present invention relates to novel pyrimidine compounds, a method for preparing the same, and a pharmaceutical composition containing the same as an active ingredient for preventing or treating cancer and inflammatory disease. The novel pyrimidine compounds according to the present invention remarkably inhibits activity of DRAK that inhibits signal systems of TGF-?, which is known to suppress cancer growth, and thus the novel pyrimidine compounds can be used as a pharmaceutical composition for preventing or treating cancer and can be used as a pharmaceutical composition for preventing or treating inflammatory disease.
    Type: Application
    Filed: November 1, 2017
    Publication date: September 19, 2019
    Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Kwangho LEE, Gildon CHOI, Na Ri LEE, Sang Jun PARK, Myoung Eun JUNG, Seong Jin KIM, Kyung-Min YANG, Jihee LEE
  • MICROFABRICATED PLATFORM FOR MIMICKING THE LIVER ZONATION AND EVALUATING METHOD OF ZONAL TOXICITY USING THEREOF
    Publication number: 20190276799
    Abstract: A microfabricated platform for mimicking the liver zonation and an evaluating method of zone-specific hepatotoxicity using the same is provided. The microfabricated platform for mimicking the liver zonation prepared according to the method of the present invention is divided into three zones of zone 1, zone 2 and zone 3 similarly to in vivo liver tissue and thus the zone-specific hepatotoxicity of a drug in the liver can be evaluated using the same. According to the present invention, the zone-specific hepatotoxicity results can be analyzed quantitatively to by using image analysis, so that the platform of the present invention can be effectively used for in vitro screening of zone-specific hepatotoxicity.
    Type: Application
    Filed: March 5, 2019
    Publication date: September 12, 2019
    Applicant: Korea Research Institute of Chemical Technology
    Inventors: Jung-Hwa OH, Jaehwan AHN, Seokjoo YOON, Heeyoung YANG, Jun-Ho AHN, Mi-Sun CHOI, Soojin KIM, Se-Myo PARK, Hyoung-Yun Han
  • 4-(2-amino-tetrahydronaphthalenyl)pyrimidine derivative, preparation method therefor, and pharmaceutical composition for preventing or treating cancer, containing same as active ingredient
    Patent number: 10369149
    Abstract: The present invention relates to a 4-(2-amino-tetrahydronaphthaleneyl)pyrimidine derivative, a preparation method thereof, and a pharmaceutical composition for the prevention or treatment of cancer comprising the same as an active ingredient. The 4-(2-amino-tetrahydronaphthaleneyl)pyrimidine derivative, the optical isomer thereof, or the pharmaceutically acceptable salt thereof of the present invention is very effective in suppressing anaplastic lymphoma kinase (ALK) activity and as a result it can improve the effectiveness of treatment on cancer cells having anaplastic lymphoma kinase (ALK) fusion proteins such as EML4-ALK and NPM-ALK, so that it can be effectively used as a pharmaceutical composition for preventing or treating cancer.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: August 6, 2019
    Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Jong Yeon Hwang, Hyoung Rae Kim, Jae Du Ha, Sung Yun Cho, Hee Jung Jung, Pilho Kim, Chang Soo Yun, Chong Ock Lee, Chi Hoon Park, Chong Hak Chae, Sunjoo Ahn
  • Metal nanoparticles, and preparation method therefor
    Patent number: 10363602
    Abstract: Metal nanoparticles according to the present invention have at least a bimodal size distribution in which the ratio obtained by dividing the area of a first peak, which has the smallest median size on the basis of the median size of peaks in the size distribution of the metal nanoparticles, by the total area of all peaks constituting the size distribution meets 0.4-0.8, and are capped with a capping layer containing an organic acid.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: July 30, 2019
    Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Young Min Choi, Eun Jung Lee, Sun Ho Jeong, Yeong Hui Seo, Beyong Hwan Ryu, Su Yeon Lee
  • Composition for clearing of biotissue and clarity method for biotissue using thereof
    Patent number: 10359344
    Abstract: The present invention relates to a composition for clearing biotissue and a clarity method for biotissue using the same. The composition for clearing biotissue and the clarity method for biotissue using the same of the present invention do not need a high price electrophoresis apparatus and expensive solutions, and can not only be applied to various biotissues including brain, liver, lung, kidney, intestine, heart, muscle, and blood vessel, without damaging any of them but also prevent bubble formation, color change, and dark sediment; improve the clarity of biotissues; and help antibody-staining of the cleared tissues. Therefore, it is useful to identify the reason of various diseases through structural imaging of biotissue and to establish a treatment method.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: July 23, 2019
    Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: SunHyun Park, Ki-Suk Kim
  • COMPOUND HAVING BIS PHENYLENE GROUP SUBSTITUTED WITH ALKYLAMIDE, COMPOSITION FOR CONTROLLING POLYPHENYLENE POLYMER FLOWABILITY AND METHOD OF POLYPHENYLENE POLYMER FLOWABILITY CONTROL USING THE SAME
    Publication number: 20190218368
    Abstract: The present invention relates to a compound having a bis phenylene group substituted with alkylamide, a composition comprising the same for the control of polyphenylene polymer flowability and a method for controlling polyphenylene polymer flowability using the same. The said compound can improve the flowability of polyphenylene polymer so that it can be used for processing polyphenylene polymer to improve the flowability, thereby providing economic benefits by diversifying PPS parts and improving workability. In addition, the said compound can control and improve the flowability by regulating the length of phenyl-conjugated alkyl, so that it can be effectively used as a flowability regulator of polyphenylene polymer particularly polyphenylene sulfide.
    Type: Application
    Filed: January 15, 2019
    Publication date: July 18, 2019
    Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Byoung Gak Kim, Yong Seok Kim, Young Jae Yoo, Dong Gyun Kim, Seong Wook Lee, Jun Woo Jeon, Bo Mi Maeng
  • Organic semiconductor compound, production method thereof, and organic electronic device using the same
    Patent number: 10344028
    Abstract: Provided are a novel organic semiconductor compound, a production method thereof, and an organic electronic device using the same, wherein the organic semiconductor compound includes a thiazolidine functional group introduced into a heteroaromatic ring to thereby remarkably improve photovoltaic characteristics of an organic electronic device including the same.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: July 9, 2019
    Assignees: Korea Research Institute of Chemical Technology, Kyonggi University Industry & Academia Cooperation Foundation
    Inventors: Jong Cheol Lee, Sang Kyu Lee, Won Suk Shin, ChangEun Song, Sang Jin Moon, Hang Ken Lee, Eunhee Lim
  • Lung model device for inhalation toxicity testing
    Patent number: 10338059
    Abstract: A lung model device for inhalation toxicity testing is provided. The device has a plurality of mesh tissue panels having lung cells attached thereto arranged inside a case so as to have a similar structure to a human lung, and air and nanoparticles are supplied into the case through a separate respiratory operating unit, thereby enabling inhalation toxicity testing on nanoparticles to be simply and conveniently performed in an indirect way by determining changes in the state of the lung cells without using real laboratory animals. The mesh tissue panels having a smaller lattice spacing size are sequentially positioned according to the nanoparticle inflow direction, thereby providing a structure similar to the structure of a real lung.
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: July 2, 2019
    Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Kyu Hong Lee, Hyo Seon Yang
  • Method for preparing sugar, bioethanol or microbial metabolite from lignocellulosic biomass
    Patent number: 10329589
    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.
    Type: Grant
    Filed: June 9, 2014
    Date of Patent: June 25, 2019
    Assignee: Korea Research Institute of Chemical Technology
    Inventors: Ju Hyun Yu, Chan Duck Jung, In Yong Eom, Seung Hwan Lee, Kyung Sik Hong, In-Chul Kim, Jong Geon Jegal, Bong Keun Song
  • Spheroid forming culture container using temperature-sensitive glycol chitosan derivative, and spheroid forming method using same
    Patent number: 10329527
    Abstract: Disclosed is a spheroid forming culture container using a temperature-sensitive glycol chitosan derivative and a spheroid forming method using the same. In the disclosed spheroid forming culture container, a surface of a culturing space is coated with a glycol chitosan derivative having reversible sol-gel transition characteristic depending on temperature.
    Type: Grant
    Filed: July 30, 2015
    Date of Patent: June 25, 2019
    Assignees: THE INDUSTRY & ACADEMIC COOPERTAION IN CHUNGNAM NATIONAL UNIVERSITY (IAC), KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Kang Moo Huh, Sun Woong Kang, Han Chang Kang, Hye Eun Shim, Ik Sung Cho, Myeong Ok Cho
  • Method for oligomerization of ethylene
    Patent number: 10329211
    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.
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: June 25, 2019
    Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Dong Won Hwang, Ho Jeong Chae, MaEum Lee, Ji Sun Yoon
  • Beta zeolite catalyst for preparation of mixture of BTEX (benzene, toluene, ethylbenzene, xylene) from poly aromatic hydrocarbons and preparation method thereof
    Patent number: 10307742
    Abstract: A beta zeolite catalyst for the preparation of a BTEX (benzene, toluene, ethylbenzene, xylene) mixture from polyaromatic hydrocarbons and a preparation method of the same are disclosed. The beta zeolite catalyst demonstrates high conversion of polyaromatic hydrocarbons and high BTEX production yield by containing optimum contents of the group VIB metals and cocatalysts, so that it can be effectively used as a beta zeolite catalyst for the production of BTEX.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: June 4, 2019
    Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Jeong-Rang Kim, Soon Yong Jeong, Chul Ung Kim, Tae Wan Kim, Youjin Lee, Eun Sang Kim, Joo Wan Kim
  • Gd-containing, anti-coking solid acid catalysts and preparation method and use thereof
    Patent number: 10307735
    Abstract: The present invention relates to an anti-coking catalyst having a physical property of reducing coke formation, which comprises a solid acid catalyst containing gadolinium (Gd) on the surface, a preparation method thereof, and a use thereof. The preparation method includes a first step of determining the amount of gadolinium (Gd) or a Gd-providing precursor to be used relative to the total weight of the solid acid catalyst, which reducing the coking of a specific solid acid catalyst below a specific level under a specific reaction condition; and a second step of preparing a Gd-containing solid acid catalyst using the amount determined in the first step. The catalyst according to the present invention is a catalyst in which an appropriate weight ratio of gadolinium is supported on the surface of a pure solid acid substance or solid acid substance on which a specific metal is supported.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: June 4, 2019
    Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Sung Tak Kim, Geun Jae Kwak, Ki Won Jun, Ahron Hwang, Seok Chang Kang
  • Rh-CNheterogeneous catalyst for preparing acetic acid by carbonylation reaction
    Patent number: 10293335
    Abstract: This invention relates to a heterogeneous catalyst represented by Rh/C3N4 configured such that a complex of a rhodium compound and 3-benzoylpyridine is immobilized on a carbon nitride support.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: May 21, 2019
    Assignees: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY, RESEARCH BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Jae Hyun Park, Jong Wook Bae, Tae Sun Chang, Beom Sik Kim