Patents Assigned to SK Innovation Co., Ltd.
  • Patent number: 11655478
    Abstract: The present invention relates to a novel promoter for regulating ADH gene expression in an organic acid-resistant yeast, and a method of producing an organic acid by expressing an organic acid production-related gene using the same. When an organic acid production-related target gene is expressed in the organic acid-resistant yeast using the novel promoter according to the present invention, there is an advantage in that the yeast can produce the organic acid with high efficiency while having resistance to the organic acid without inhibiting the growth ability of the yeast.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: May 23, 2023
    Assignee: SK Innovation Co., Ltd.
    Inventors: Jae Yeon Park, Tae Young Lee, Ki Sung Lee, Outi Koivistoinen, Kari Koivuranta
  • Patent number: 11648544
    Abstract: Disclosed are a bifunctional catalyst and a preparation method therefor, the bifunctional catalyst being suitable to produce high-value aromatic hydrocarbons by subjecting alkylaromatic hydrocarbons to a disproportionation/transalkylation/dealkylation reaction while suppressing aromatic loss or subjecting C8 aromatic hydrocarbons to an isomerization reaction while suppressing xylene loss.
    Type: Grant
    Filed: March 31, 2022
    Date of Patent: May 16, 2023
    Assignee: SK Innovation Co., Ltd.
    Inventors: Sang Il Lee, Ji Hoon Lee, Young Eun Cheon
  • Patent number: 11642624
    Abstract: The present invention relates to a method of reducing carbon dioxide and air pollutants, and more particularly to a method of simultaneously reducing emissions of carbon dioxide and air pollutants, in which an off-gas containing carbon dioxide, SOx, and NOx is passed through a sulfur-oxidizing microorganism reactor, thereby converting carbon dioxide present in the off-gas into biomass, SOx into sulfate ions, and NOx into amino-N.
    Type: Grant
    Filed: January 20, 2022
    Date of Patent: May 9, 2023
    Assignee: SK Innovation Co., Ltd.
    Inventors: Yeon Hwa La, Jae Yang Song, Tae Young Lee, Jae Heum Jung, Tae Wan Kim
  • Patent number: 11643488
    Abstract: Provided are a random copolymer for forming a neutral layer promoting directed self-assembly pattern formation, a laminate for forming a pattern including the same, and a method for forming a high-quality pattern using the same.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: May 9, 2023
    Assignee: SK Innovation Co., Ltd.
    Inventors: Nam Kyu Lee, Sun Young Kim, Kwang Kuk Lee, Jin Su Ham
  • Publication number: 20230130836
    Abstract: The present disclosure provides a catalyst for SRO reactions. The catalyst includes a solid acid material and a metal. In this case, pores of the catalyst corresponding to at least 20% of the total pore volume of the catalyst have a pore size of 10 nm or more. The present disclosure also provides a method of using the catalyst.
    Type: Application
    Filed: September 26, 2022
    Publication date: April 27, 2023
    Applicants: SK INNOVATION CO., LTD., SK ENMOVE CO., LTD
    Inventors: Seung Woo LEE, Hee Jung JEON, Yeon Ho KIM, Yoon Kyung LEE, Seon Ju LIM
  • Patent number: 11607671
    Abstract: In the present disclosure, a composite oxide catalyst capable of effectively suppressing side reactions at the time of dehydrogenation of C4 hydrocarbons having single bonds or one double bond and a process for preparing butadiene, in particular 1,3-butadiene, with a high selectivity and a high yield using the same are described.
    Type: Grant
    Filed: April 7, 2021
    Date of Patent: March 21, 2023
    Assignees: SK Innovation Co., Ltd., SK Geo Centric Co., Ltd.
    Inventors: Ju Hwan Im, Hee Soo Kim, Ho Won Lee
  • Patent number: 11603338
    Abstract: According to this disclosure, there is provided a pyrolysis reaction system and a direct non-oxidative methane coupling process using the same by which it is possible to reach the selectivity for good C?10 hydrocarbons and at the same time to inhibit coke from being generated while a good methane conversion is maintained during direct conversion of methane into C2+ hydrocarbons through non-oxidative pyrolysis.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: March 14, 2023
    Assignee: SK Innovation Co., Ltd.
    Inventors: Dongmin Yun, Juhwan Im, Dokyoung Kim
  • Publication number: 20230054666
    Abstract: Proposed is a process of producing a high-quality lube base oil using a refined oil fraction obtained from waste lubricant as a feedstock. The process includes purifying waste lubricant to obtain a refined oil fraction, pretreating the refined oil fraction, and blending the pretreated refined oil fraction with unconverted oil (UCO), before or after vacuum distillation and catalytic dewaxing of the unconverted oil, or between the vacuum distillation and the catalytic dewaxing of the unconverted oil.
    Type: Application
    Filed: August 17, 2022
    Publication date: February 23, 2023
    Applicants: SK INNOVATION CO., LTD., SK LUBRICANTS CO., LTD.
    Inventors: Young Wook JEON, Jin Hee OK, Kyung Seok NOH, Do Woan KIM
  • Publication number: 20230057264
    Abstract: A system and method for predicting failures of rod pumps using a scaled load ratio is configured to: optimize the size of a rolling window, the upper and lower bounds of the normal range of the scaled load ratio, an alert period, and an alert frequency ratio; receive data of a current maximum/minimum loads on a surface rod, and a current speed; remove outliers showing an abnormality; scale the current maximum/minimum loads on the surface rod using the maximum/minimum loads on the surface rod in normal operation; calculate a scaled load ratio; calculate the average of scaled load ratios in the rolling window; determine whether the average of scaled load ratios is in the normal range, and classify the values as normal and abnormal events; calculate the ratio of the abnormal events in the alert period, and generate an alert when the calculated ratio exceeds the alert frequency ratio; and monitor a pump state using the pump failure prediction system.
    Type: Application
    Filed: August 16, 2021
    Publication date: February 23, 2023
    Applicants: SK INNOVATION CO., LTD., Seoul National University R&DB Foundation
    Inventors: Jongyoung JUN, YeonJun PARK, Ha Eun KIM, Hoonyoung JEONG, Byunggun OH, Yeongju KIM
  • Patent number: 11545706
    Abstract: Provided a battery cell having a plurality of electrodes and a battery module using the same. In order to configure the battery module only by connections of the electrodes without including a separate bus bar and improve the degree of freedom of the connections, the battery cell having cathode terminals and anode terminals protruding to the outside includes: a plurality of electrode terminals selected from the cathode terminals or the anode terminals and formed on both sides of the battery cell opposing each other. The battery cell having the plurality of electrodes and the battery module formed is various forms according to a layout of a vehicle using the same may be configured.
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: January 3, 2023
    Assignee: SK INNOVATION CO., LTD.
    Inventor: Hyun Seok Kim
  • Patent number: 11539090
    Abstract: Provided are a pouch case for a pouch type secondary battery in which one corner is in close contact with a cooling plate and a pouch type secondary battery including the same. In the pouch case, by controlling a shape relation among a forming portion formed to have a non-zero depth determined in advance at a center to accommodate one side of an electrode assembly, a receiving portion in surface contact with a side surface of the electrode assembly at the time of sealing the pouch case, and a sealing portion for sealing opposing ends of the forming portion and the electrode assembly, a size of a sealing protrusion formed after the electrode assembly is packaged through mechanical properties of a metal laminate sheet and a simplified die and punch may be minimized.
    Type: Grant
    Filed: October 5, 2021
    Date of Patent: December 27, 2022
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Hee Gyoung Kang, Tae Il Kim
  • Patent number: 11539089
    Abstract: A pouch-type secondary battery includes an electrode assembly; and a pouch member comprising an accommodating portion configured to accommodate the electrode assembly therein, a sealing portion formed at an edge of the accommodating portion, and an indent portion formed of a cutting edge cut at a plurality of angles and a rounded edge cut to connect the cutting edges adjacent to each other in a portion of the sealing portion corresponding to a vertex of the accommodating portion.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: December 27, 2022
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Tae Il Kim, Jae Man Seo, Jeong Sam Son, Gyu Jin Chung
  • Patent number: 11531143
    Abstract: Provided are a window cover film and a flexible display panel including the same. More preferably, a window cover film including a transparent film and a hard coating layer and a flexible display panel including the same are provided.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: December 20, 2022
    Assignees: SK Innovation Co., Ltd., SK ie technology Co., Ltd.
    Inventors: Hye Jin Kim, Min Sang Park, Keon Hyeok Ko
  • Patent number: 11530228
    Abstract: Provided are a novel tetracarboxylic acid dianhydride and a method for preparing the same. According to an exemplary embodiment of the present invention, a novel tetracarboxylic acid dianhydride appropriate for providing a polyimide film having high transparency and thermal resistance and having excellent thermal dimensional stability due to a substrate of which the stress is not increased even with a heat treatment at a high temperature and a method for preparing the same may be provided.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: December 20, 2022
    Assignees: SK Innovation Co., Ltd., SK ie technology Co., Ltd.
    Inventors: So Young Lee, Jong Chan Kim
  • Patent number: 11527804
    Abstract: A battery module includes: a plurality of battery cells which have positive electrode tabs and negative electrode tab formed at both ends thereof, respectively, wherein the plurality of battery cells are stacked; a first bus bar assembly having first bus bars to which the positive electrode tabs and the negative electrode tabs located at one end of the battery cells are connected; a second bus bar assembly having second bus bars to which the positive electrode tabs and the negative electrode tabs located at the other end of the battery cells are connected; and a sensing unit which is connected to any one bus bar of the first and second bus bars to detect states of the battery cells.
    Type: Grant
    Filed: November 2, 2020
    Date of Patent: December 13, 2022
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Ji Eun Kang, Sun Mo An, Hae Ryong Jeon, Young Sun Choi
  • Patent number: 11518921
    Abstract: Provided is an antistatic polyimide-based film. More particularly, as an antistatic polyimide-based film for a window cover for protecting a surface of a display device, a window cover film having a protective film formed on the polyimide-based film provides an improvement to a problem of not being used as a film for a display window cover because a portion of the protective film remains on a base layer or a hard coating layer without being peeled off due to static electricity in the protective film or the base layer, or a hard coating layer, or the hard coating layer is peeled off with some or all of the protective film when the protective film is peeled off.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: December 6, 2022
    Assignees: SK Innovation Co., Ltd., SK ie technology Co., Ltd.
    Inventors: Jong Nam Ahn, Hye Jin Kim
  • Publication number: 20220365235
    Abstract: Disclosed are a method and apparatus for estimating S-wave velocities by learning well logs, whereby the method includes a model formation step of forming an S-wave estimation model to output S-wave velocities corresponding to measured depth when the well logs are input based on train data sets including train data having values of multiple factors included in the well logs, the values being arranged corresponding to measured depth, and label data having S-wave velocities corresponding to measured depth as answers, and an S-wave velocity estimation step of inputting unseen data having values of multiple factors included in well logs acquired from a well at which S-wave velocities are to be estimated, the values being arranged corresponding to measured depth, to the S-wave estimation model to estimate S-wave velocities corresponding to measured depth.
    Type: Application
    Filed: July 15, 2022
    Publication date: November 17, 2022
    Applicants: SK INNOVATION CO., LTD., SK EARTHON CO., LTD.
    Inventors: Seungjoon CHA, Youngki CHOI, Hee Jeong JANG, Kyoung Jin LEE, Hyunjong CHO
  • Patent number: 11502527
    Abstract: Provided are a cell screening device for selecting battery cells of a high-risk group, and a cell screening method using the same. According to the present invention, the battery cells may be ordered in the order of high probability of being out of an upper limit value or a lower limit value of an operating voltage among a plurality of battery cells using state information calculated for each battery cell, thereby making it possible to select the battery cells of the high-risk group.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: November 15, 2022
    Assignee: SK Innovation Co., Ltd.
    Inventors: Jeong Min Seo, Byung Eun Lee, Kyu Min Hwang
  • Patent number: 11499017
    Abstract: A method of preparing an aqueous dispersion of an ethylene-carboxylic acid copolymer according to exemplary embodiments of the present invention includes: mixing 30% by weight or more of an ethylene-(meth)acrylic acid copolymer, a basic compound, and water to form a mixed solution; and adding an inorganic salt compound to the mixed solution. Therefore, the aqueous dispersion of the ethylene-carboxylic acid copolymer may be effectively dispersed.
    Type: Grant
    Filed: October 6, 2020
    Date of Patent: November 15, 2022
    Assignees: SK Innovation Co., Ltd., SK Global Chemical Co., Ltd., SK GC Americas Inc.
    Inventors: Hai Jin Shin, Doh Yeon Park, Yong Zheng, Hae Woong Park
  • Patent number: 11502291
    Abstract: A cathode active material for a lithium secondary battery includes a lithium metal oxide particle, and an organic poly-phosphate or an organic poly-phosphonate formed on at least portion of a surface of the lithium metal oxide particle. Chemical stability of the lithium metal oxide particle may be improved and surface residues may be reduced by the organic poly-phosphate or the organic poly-phosphonate.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: November 15, 2022
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Sang Bok Kim, Jik Soo Kim, Hyo Shin Kwak, Myoung Lae Kim