Patents by Inventor Kyung-A Cho

Kyung-A Cho has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20190154202
    Abstract: Provided is a high-pressure gas supplying apparatus that may minimize impact to be exerted on a valve seat in a regulator and may reuse condensate water or gas produced from leaking gas that is gradually discharged to the outside. That is, it is possible to collect and reuse moisture (condensate water) or gas produced by the Joule-Thomson effect from leaking gas that is gradually discharged to the outside by the leaking gas discharge unit.
    Type: Application
    Filed: September 13, 2018
    Publication date: May 23, 2019
    Applicant: KOREA AEROSPACE RESEARCH INSTITUTE
    Inventors: Nam Kyung CHO, Chae Hyung KIM, Jun Su JEON, Young Min HAN
  • Publication number: 20190077838
    Abstract: The present invention relates to a method for inhibiting, improving, or preventing aging, comprising administering to a subject in need thereof a composition comprising a recombinant protein of flagellin, which is the constituent of Vibrio vulnificus flagella, fused with a pathogenic protein antigen, which is pneumococcal surface protein A (PsaA) of Streptococcus pneumonia. According to the present invention, the recombinant protein of the present invention can improve external and internal aging-related malfunctions and enhance immunity. Also, the composition of the present invention can easily perform immunization through mucosal administration.
    Type: Application
    Filed: November 21, 2018
    Publication date: March 14, 2019
    Inventors: Kyung A. CHO, Jae Sung LIM, Joon Haeng RHEE
  • Patent number: 10227274
    Abstract: Disclosed are systems and methods which provide a process stream comprising a gaseous component, capture the gaseous component from the process stream by an ionic liquid solvent of a separator, and recover a captured gaseous component from the ionic liquid solvent in a regenerator. A second gaseous component from the process stream may be captured by the ionic liquid solvent of the separator, and the second gaseous component may be recovered from the ionic liquid solvent in the regenerator. Alternatively, the second gaseous component from the process stream may be uncaptured by the ionic liquid solvent, and the uncaptured second gaseous component may be recovered from a membrane unit.
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: March 12, 2019
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Lei Ji, Ai-Fu Chang, Michael Sean Driver, Hye-Kyung Cho Timken
  • Patent number: 10226190
    Abstract: The invention relates to a diagnostic measuring device for non-invasively collecting at least one physiological parameter of body tissue by way of an optical measuring unit (100), comprising at least one source of radiation (4) for irradiating the body tissue to be examined, and at least one radiation sensor (5) for detecting the radiation scattered and/or transmitted by the body tissue. The invention proposes the arrangement of the at least one source of radiation (4, 702) within a hollow reflector (701).
    Type: Grant
    Filed: March 5, 2010
    Date of Patent: March 12, 2019
    Assignee: Ingo FLORE
    Inventors: Yoon Ok Kim, Ok Kyung Cho
  • Patent number: 10173194
    Abstract: We provide systems for ionic liquid catalyzed hydrocarbon conversion that comprise a modular reactor comprising a plurality of mixer modules. The mixer modules may be arranged in series. One or more feed modules are disposed between the mixer modules. Such systems may be used for ionic liquid catalyzed alkylation reactions. Processes for ionic liquid catalyzed hydrocarbon conversion are also disclosed.
    Type: Grant
    Filed: March 13, 2017
    Date of Patent: January 8, 2019
    Assignee: Chevron U.S.A. Inc.
    Inventors: Huping Luo, Arthur William Etchells, III, Donald Henry Mohr, Hye Kyung Cho Timken, Moinudden Ahmed, Krishniah Parimi, Bong Kyu Chang, Michael John Girgis
  • Patent number: 10176261
    Abstract: Provided is a keyword presenting system based on a sematic depth structure, including: a communication unit connected with a client via a network; an interface unit configured to receive keyword information inputted from the client and to provide a search interface presenting multiple candidate keywords; a search database configured to save multiple search results and multiple candidate keywords constituting the search interface; a semantic depth database configured to save a semantic depth structure representing a semantic distance between keywords for each candidate keyword; and a semantic depth engine configured to derive multiple associated keywords based on the search database regarding the keyword inputted from the client, and to support a function of gradationally presenting recommended keyword lists for each semantic depth level according to the selection of a user by forming recommended keyword groups for each semantic depth level based on the multiple associated keywords using the semantic depth dat
    Type: Grant
    Filed: August 22, 2014
    Date of Patent: January 8, 2019
    Assignee: NAVER Corporation
    Inventors: Min Kyung Cho, Hee Sung Lee, Mi Seung Yang, Jin Hwan Yoo, Tae Il Kim
  • Publication number: 20190002368
    Abstract: We provide a process, comprising: a. dehydrogenating natural gas liquid to produce a mixture comprising olefins and unconverted paraffins; b. without further purification or modification other than mixing with an isoparaffin, sending the mixture to a single alkylation reactor; c. alkylating the olefins with the isoparaffin, using an ionic liquid catalyst, to produce one or more alkylate products; and d. distilling the one or more alkylate products and collecting a bottoms distillation fraction that is a middle distillate blending component having a sulfur level of 50 wppm or less and a Bromine number less than 1.
    Type: Application
    Filed: July 3, 2017
    Publication date: January 3, 2019
    Inventors: Hye-Kyung Cho Timken, Kenneth John Peinado, Bong-Kyu Chang
  • Patent number: 10167432
    Abstract: Processes are provided for making an alkylate gasoline blending component, comprising: a. feeding an olefin feed comprising greater than 80 wppm of a sulfur contaminant comprising mercaptans, alkyl sulfides, and alkyl disulfides to a chloroaluminate ionic liquid catalyst, wherein a level of the sulfur contaminant accumulates in the chloroaluminate ionic liquid catalyst to make a sulfur-contaminated ionic liquid catalyst comprising 300 to 20,000 wppm of a sulfur; and b. alkylating the olefin feed with an isoparaffin using the sulfur-contaminated ionic liquid catalyst to make the alkylate gasoline blending component having a final boiling point below 221° C. An alkylation process exclusively utilizing coker LPG olefins is also provided.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: January 1, 2019
    Assignee: Chevron U.S.A. Inc.
    Inventors: Hye-Kyung Cho Timken, Bong-Kyu Chang
  • Publication number: 20180361315
    Abstract: Provided is a method for removing carbon dioxide in acidic gas and an apparatus therefor. A method for removing carbon dioxide in acidic gas includes: purifying coke oven gas to prepare acidic gas; injecting ammonia into the acidic gas and adjusting a molar ratio of carbon dioxide to ammonia in an entire mixed stream to 0.5 or more; indirectly cooling the mixed stream to form a salt; removing the salt in a form of slurry; heating the salt in the removed slurry to decompose the salt into carbon dioxide gas, ammonia gas, and water; and recovering the decomposed ammonia gas.
    Type: Application
    Filed: December 9, 2015
    Publication date: December 20, 2018
    Inventors: Moon Kyung CHO, Ju-Yong PARK, Hye Ji CHOI, Woo-Taeck KWON, Han-Young CHOI
  • Publication number: 20180353945
    Abstract: The present disclosure provides a macroporous noble metal catalyst and processes employing such catalysts for the regeneration of deactivated ionic liquid catalyst containing conjunct polymer.
    Type: Application
    Filed: January 10, 2018
    Publication date: December 13, 2018
    Inventors: Hye Kyung Cho Timken, Jeff Johns, Rahul Shankar Bhaduri, Viorel Duma, John V. Heyse
  • Patent number: 10113963
    Abstract: An integrated system for monitoring a chemical concentration in an ionic liquid, comprising: a. an online FTIR instrument with an ATR window; b. a sample conditioning station that removes light hydrocarbons and produces a degassed ionic liquid that is analyzed by FTIR; and c. a solvent flushing system that flows solvent across the ATR window. Also, a process for monitoring the chemical concentration, comprising: a. degassing the ionic liquid in the sample conditioning station; b. passing the degassed ionic liquid over an ATR window; c. periodically redirecting a flow of the degassed ionic liquid via a bypass line or an on-off valve that isolates the ATR window from the process unit that elutes the ionic liquid; and d. flowing a solvent and a purging gas over the ATR window during the periodically redirecting step c); and e. resuming the passing of the degassed ionic liquid over the ATR window.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: October 30, 2018
    Assignee: Chevron U.S.A. Inc.
    Inventors: Huping Luo, Hye-Kyung Cho Timken, Toni Zhang Miao, Howard Steven Lacheen, Bi-Zeng Zhan
  • Patent number: 10094778
    Abstract: An integrated system for monitoring a chemical concentration in an ionic liquid, comprising: a. an online FTIR instrument with an ATR window; b. a sample conditioning station that removes light hydrocarbons and produces a degassed ionic liquid that is analyzed by FTIR; and c. a solvent flushing system that flows solvent across the ATR window. Also, a process for monitoring the chemical concentration, comprising: a. degassing the ionic liquid in the sample conditioning station; b. passing the degassed ionic liquid over an ATR window; c. periodically redirecting a flow of the degassed ionic liquid via a bypass line or an on-off valve that isolates the ATR window from the process unit that elutes the ionic liquid; and d. flowing a solvent and a purging gas over the ATR window during the periodically redirecting step c); and e. resuming the passing of the degassed ionic liquid over the ATR window.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: October 9, 2018
    Assignee: Chevron U.S.A. Inc.
    Inventors: Huping Luo, Hye-Kyung Cho Timken, Toni Zhang Miao, Howard Steven Lacheen, Bi-Zeng Zhan
  • Publication number: 20180279741
    Abstract: The present disclosure relates to a cosmetic vessel. The cosmetic vessel includes a discharge unit discharging cosmetics to an outside, and a discharge plate provided at one side of the discharge unit from which the cosmetics are discharged, the discharge plate including a plurality of discharge holes, wherein the cosmetics are discharged through the plurality of discharge holes of the discharge plate, and a thin film is formed on one surface of the discharge plate exposed to the outside.
    Type: Application
    Filed: June 1, 2018
    Publication date: October 4, 2018
    Applicant: LG HOUSEHOLD & HEALTH CARE LTD.
    Inventors: Se Woong OH, Hyeon Jeong KIM, Hye Ryen KIM, Sang Wook PARK, Jae Hong JUNG, Kyungwon KIM, Ye Kyung CHO, Sung-Tae KIM, Guyong LEE, Sungsoo KANG, In Hwan ROH
  • Publication number: 20180264064
    Abstract: The present invention relates to a pharmaceutical composition for preventing and treating corneal diseases or conjunctival diseases, containing a maple leaf extract as an active ingredient. The maple leaf extract exhibits an effect of inhibiting hyperemia in the eyeball in which hyperemia has been induced and an effect of inhibiting angiogenesis in the eyeball in which corneal damage has been induced, thus being effectively used in a pharmaceutical composition for preventing and treating corneal diseases or conjunctival diseases.
    Type: Application
    Filed: July 8, 2016
    Publication date: September 20, 2018
    Inventors: Jin Yeul MA, Jung Hyun KIM, Jong Wook JEON, You Chang OH, Won Kyung CHO, Youn Hwan HWANG, Nam Hui YIM, Jae Myung YOO
  • Publication number: 20180251691
    Abstract: Provided herein are processes for ethylene oligomerization in the presence of an ionic liquid catalyst and a co-catalyst to produce a hydrocarbon product comprising C10-C55 oligomers.
    Type: Application
    Filed: March 2, 2018
    Publication date: September 6, 2018
    Applicants: Chevron U.S.A. Inc., Chevron Oronite Company LLC
    Inventors: Hye-Kyung Cho Timken, Bong-Kyu Chang, Curtis Bay Campbell, Andrew Michael Thomas, Mark Anthony Fernandez, Madeleine Sessions
  • Patent number: 10059639
    Abstract: A process, comprising: providing an olefin feed comprising pentenes, butenes, and isopentane; and alkylating the olefin feed with isobutane using an acidic ionic liquid catalyst; wherein less than 5 mol % of C5 olefins in the olefin feed are converted to isopentane, and the alkylate gasoline has defined final boiling points and high RONs. A process comprising: alkylating an olefin feed comprising pentenes and isopentane, with isobutane using an acidic ionic liquid catalyst; wherein less than 5 mol % of C5 olefins in the olefin feed are converted to isopentane; and wherein an n-pentane product yield is low. An alkylate gasoline, comprising less than 0.1 wt % olefins and aromatics, less than 1.8 wt % C12+hydrocarbons, and greater than 60 wt % combined C8 and C9 hydrocarbons, wherein the trimethylpentane in the C8 hydrocarbons and the trimethylhexane in the C9 hydrocarbons are defined.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: August 28, 2018
    Assignee: Chevron U.S.A. Inc.
    Inventors: Hye-Kyung Cho Timken, Bong-Kyu Chang, Sven Ivar Hommeltoft
  • Patent number: 10052510
    Abstract: Processes for shutting down a regeneration reactor and for removing spent solid from the regeneration reactor may comprise shutting off a feed comprising an ionic liquid to the regeneration reactor, cooling the regeneration reactor, removing at least a portion of the ionic liquid from the regeneration reactor, purging the regeneration reactor with N2 gas, introducing water into the regeneration reactor to form an acidic liquid in the regeneration reactor, and dumping the acidic liquid and the spent solid from the regeneration reactor. The acidic liquid may be neutralized with a basic liquid to provide a neutralized liquid. The spent solid may be separated from the neutralized liquid. In an embodiment, noble metal(s) may be recovered from the spent solid.
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: August 21, 2018
    Assignee: Chevron U.S.A. Inc.
    Inventors: Hye Kyung Cho Timken, Jeff William Johns, Thomas Van Harris
  • Publication number: 20180207552
    Abstract: A process is provided for separating an ionic liquid from a liquid hydrocarbon, using an integrated coalescing system. The integrated coalescing system for separating ionic liquid from a liquid hydrocarbon may comprise: a. a bulk settler, that separates an emulsion comprising the dispersed ionic liquid with a wide range of droplet sizes into a clean ionic liquid phase and a separated liquid hydrocarbon phase comprising retained droplets; b. a pre-coalescer that receives the separated liquid hydrocarbon phase, separates out solid particles from the separated liquid hydrocarbon phase, and begins to form coalesced droplets of the retained droplets; and c. a coalescer that receives an effluent from the pre-coalescer, wherein the at least one coalescer comprises multiple layers of media having a fine pore size, and produces a clean hydrocarbon stream that is essentially free of the dispersed ionic liquid and additional amounts of the clean ionic liquid phase.
    Type: Application
    Filed: March 20, 2018
    Publication date: July 26, 2018
    Inventors: Huping Luo, Hye-Kyung Cho Timken
  • Patent number: D834608
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: November 27, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Min-kyung Cho
  • Patent number: D835662
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: December 11, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Min-kyung Cho