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).

  • 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: 20180212256
    Abstract: The present invention relates to a positive electrode of a lithium-air battery having a side reaction prevention layer with a partially introduced metal catalyst, and a method for preparing the same, and in particular, to a positive electrode of a lithium-air battery having a side reaction prevention layer with a metal catalyst sporadically partially introduced to a surface thereof, and a method for preparing the same. The lithium-air battery according to the present invention suppresses a side reaction at an interface between a positive electrode active material and an electrolyte thereby effectively reduces an overvoltage when charged, and therefore, does not cause liquid electrolyte decomposition, which is effective in enhancing a cycle life.
    Type: Application
    Filed: January 16, 2017
    Publication date: July 26, 2018
    Applicant: LG CHEM, LTD.
    Inventors: Dong Wook LEE, Byung Gook LYU, Jae Sung HAN, Jong Hyun CHAE, Doo Kyung YANG, Eun Kyung CHO
  • 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: 10017837
    Abstract: This application provides a metallurgical extraction technique, comprising: a) re-pulping a feed filter cake to make a filter cake slurry; b) grinding the filter cake slurry; c) leaching the ground filter cake slurry in a hot alkaline cyanide solution to provide dissolved platinum group metals; d) liquid-solid separating of the dissolved platinum group metals; and e) recovering the dissolved platinum group metals by cementing the dissolved platinum group metals with a precipitating metal comprising an aluminum or a zinc; wherein the feed filter cake has the platinum group metals at a total amount from 0.1 to 1.5 wt % and a halide anion content from zero to less than 4 wt %. This application provides a process for platinum group metal recovery, comprising: converting a catalyst which was in contact with a water reactive ionic liquid catalyst into a non-water reactive filter cake and extracting the platinum group metals.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: July 10, 2018
    Assignee: Chevron U.S.A. Inc.
    Inventors: Rahul Shankar Bhaduri, Hye Kyung Cho Timken
  • Patent number: 9991500
    Abstract: A rechargeable battery is disclosed. In one aspect, the rechargeable battery includes an electrode assembly including a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode. The rechargeable battery also includes a pouch which receives the electrode assembly and an electrode tab including a positive electrode tab and a negative electrode tab electrically connected to the electrode assembly and outwardly protruding from the pouch. The width of a portion of the electrode tab electrically connected to the electrode assembly inside the pouch is greater than the width of a portion outwardly protruding from the pouch.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: June 5, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Ja-Kyung Cho
  • Publication number: 20180118792
    Abstract: The present invention relates to a composition for preventing, improving, or treating aging, wherein the composition comprises a recombinant protein of flagellin, which is the constituent of Vibrio vulnificus flagella, fused with a pathogenic protein antigen, as an active component. 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 2, 2017
    Publication date: May 3, 2018
    Inventors: Kyung A. CHO, Jae Sung LIM, Joon Haeng RHEE
  • Patent number: 9956504
    Abstract: An integrated coalescing system for separating ionic liquid from a liquid hydrocarbon is provided, comprising: 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 free of the dispersed ionic liquid and additional amounts of the clean ionic liquid phase. Also, a process is provided for separating an ionic liquid from a liquid hydrocarbon, using the integrated coalescing system.
    Type: Grant
    Filed: August 30, 2016
    Date of Patent: May 1, 2018
    Assignee: Chevron U.S.A. Inc.
    Inventors: Huping Luo, Hye-Kyung Cho Timken
  • Patent number: 9956553
    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: Grant
    Filed: June 28, 2016
    Date of Patent: May 1, 2018
    Assignee: Chevron U.S.A. Inc.
    Inventors: Hye Kyung Cho Timken, Jeff Johns, Rahul Shankar Bhaduri, Viorel Duma, John V. Heyse
  • Patent number: 9938473
    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: Grant
    Filed: March 31, 2015
    Date of Patent: April 10, 2018
    Assignees: 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: 9936477
    Abstract: Disclosed herein is a technology for detecting the location of a mobile computing device. A method for detecting the location of a mobile computing device includes the steps of (a) obtaining time, (b) storing the time and location information including GPS information and base station information associated with the time, and (c) obtaining base station information at the present time and estimating current GPS information without using a GPS if a correlation between the stored time and base station information is a specific reference or more.
    Type: Grant
    Filed: September 2, 2015
    Date of Patent: April 3, 2018
    Assignee: ISHARINGSOFT CO., LTD.
    Inventors: Hae Kyung Cho, Yong Jae Chuh
  • Patent number: 9924886
    Abstract: The invention relates to a measuring device (1) for the non-invasive measurement of physiological parameters. The measuring device (1) is suited to detect and localize by way of self diagnosis diseases such as, for example, inflammations, tumors or arteriosclerosis. The invention proposes a measuring device (1) with at least one optical measuring unit (100) for the generation of oximetric and/or plethysmographic measuring signals, an evaluation unit (140) processing the measuring signals, and a unit (120, 130) for the acquisition of local tissue parameters such as fat content, water content and/or blood perfusion, with the evaluation unit (140) being designed such that at least one local metabolic parameter is determined, in particular the local oxygen consumption, from the signals furnished by the optical measuring unit and obtained from tissue parameters. Moreover, the measuring device (1) enables the non-invasive determination of the glucose concentration.
    Type: Grant
    Filed: August 9, 2006
    Date of Patent: March 27, 2018
    Inventors: Ok Kyung Cho, Yoon Ok Kim
  • Publication number: 20180065899
    Abstract: A process, comprising: providing an olefin feed comprising pentenes, butenes, and isopentane; and alkylating the olefin feed with isobutane using 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 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: Application
    Filed: September 2, 2016
    Publication date: March 8, 2018
    Inventors: Hye-Kyung Cho Timken, Bong-Kyu Chang, Sven Ivar Hommeltoft
  • Publication number: 20180056212
    Abstract: An integrated coalescing system for separating ionic liquid from a liquid hydrocarbon is provided, comprising: 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 free of the dispersed ionic liquid and additional amounts of the clean ionic liquid phase. Also, a process is provided for separating an ionic liquid from a liquid hydrocarbon, using the integrated coalescing system.
    Type: Application
    Filed: August 30, 2016
    Publication date: March 1, 2018
    Inventors: Huping Luo, Hye-Kyung Cho Timken
  • Publication number: 20170368544
    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: June 28, 2016
    Publication date: December 28, 2017
    Inventors: Hye Kyung Cho Timken, Jeff Johns, Rahul Shankar Bhaduri, Viorel Duma, John V. Heyse
  • Patent number: 9852256
    Abstract: A method for manufacturing a semiconductor device can reduce congestion across wires while reducing a wire length. The method includes determining a first TSV candidate region in a first die and determining a second TSV candidate region in a second die parallel to the first die. The method also includes determining a first bound region. The first bound region includes a horizontal location of a first pin of the first die and a horizontal location of a second pin of the second die. The method additionally includes calculating an area from overlapped regions between the first bound region and each of the first TSV candidate region and the second TSV candidate region, and performing routing for connecting the first pin and the second pin to each other based on the calculated area.
    Type: Grant
    Filed: August 4, 2014
    Date of Patent: December 26, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Myung-Soo Jang, Jae-Hwan Kim, Cheol-Jon Jang, Ji-Ho Song, Jong-Wha Chong, Kyung-In Cho