Patents Assigned to SK INNOVATIONS CO., LTD.
  • Patent number: 10941351
    Abstract: Provided are a layer-separation method of a spent caustic solution, and a recycling method of an additive, and more particularly, a layer-separation method of a spent caustic solution including: injecting an additive and an acidic compound to the spent caustic solution occurring from a refinery process to break down a red oil emulsion and to perform layer-separation into an upper layer fraction and a lower layer fraction, wherein the additive is an aliphatic hydrocarbon compound having a water solubility of 0.1 to 10 g/L at 20° C.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: March 9, 2021
    Assignees: SK Innovation Co., Ltd., SK Incheon Petrochem Co., Ltd.
    Inventors: Sung Ho Lee, Dong Hyun Kim, Jae Yang Song, Joong Min Park, Sung Wook Jun
  • Patent number: 10941341
    Abstract: An etching composition providing a high selection ratio enabling selective removal of a nitride film and minimization of an etching rate, a preparation method thereof, an etching composition additive prepared through a reaction of phosphoric anhydride and a silane compound represented by Formula 1 below, a method for preparing the same and an etching composition including the same are provided:
    Type: Grant
    Filed: October 7, 2019
    Date of Patent: March 9, 2021
    Assignees: SK Innovation Co., Ltd., SK-Materials Co., Ltd.
    Inventors: Cheol Woo Kim, Yu Na Shim, Je Ho Lee, Jae Hoon Kwak, Young Bom Kim, Jin Kyung Jo
  • Publication number: 20210062089
    Abstract: An etching composition includes phosphoric acid, a silane compound comprising at least one silicon (Si) atom, and an ammonium salt represented by Formula 1 below: wherein: L1 to L3 are independently substituted or unsubstituted hydrocarbylene, R1 to R4 are independently hydrogen, a substituted or unsubstituted hydrocarbyl group, and Xn? is an n-valent anion, where n is an integer of 1 to 3.
    Type: Application
    Filed: September 2, 2020
    Publication date: March 4, 2021
    Applicants: SK Innovation Co., Ltd., SK-Materials Co., Ltd.
    Inventors: Cheol Woo KIM, Kwang Kuk LEE, Jae Hoon KWAK, Young Bom KIM, Jung Ha SHIN, Jong Ho LEE, Jin Kyung JO
  • Publication number: 20210062088
    Abstract: An etching composition includes phosphoric acid, a silane compound comprising at least one silicon (Si) atom, and an organic phosphate represented by Formula 1 below: wherein R1 to R3 are independently hydrogen, or a substituted or unsubstituted hydrocarbyl group, and at least one of R1 to R3 is a substituted or unsubstituted hydrocarbyl group.
    Type: Application
    Filed: August 14, 2020
    Publication date: March 4, 2021
    Applicants: SK Innovation Co., Ltd., SK-Materials Co., Ltd.
    Inventors: Cheol Woo KIM, Kwang Kuk LEE, Jae Hoon KWAK, Young Bom KIM, Jung Ha SHIN, Jong Ho LEE, Jin Kyung JO
  • Patent number: 10930985
    Abstract: A battery module and a method of manufacturing the same are provided. The battery module includes a case providing an internal space, a plurality of battery cells disposed in the internal space of the case, and at least one cooling unit interposed between the battery cells to be in surface contact with the battery cells and dissipating heat generated by the battery cells externally.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: February 23, 2021
    Assignee: SK Innovation Co., Ltd.
    Inventors: Eun Jeong Choi, Seung Hoon Ju
  • Patent number: 10920213
    Abstract: Disclosed are a carbonic anhydrase mutant having heat resistance at a high temperature of 80° C. as well as excellent activity to capture carbon dioxide and a composition for capturing carbon dioxide containing the same. The heat-resistant carbonic anhydrase mutant can be applied to a high-temperature carbon dioxide capture process due to high stability at high temperatures and a high carbon dioxide hydration rate.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: February 16, 2021
    Assignee: SK Innovation Co., Ltd.
    Inventors: Yeon Hwa La, Tae Wan Kim, Jae Yang Song
  • Patent number: 10919819
    Abstract: Provided is a method for oligomerization of ethylene, and more particularly, a method for producing 1-hexene and 1-octene at a high selectivity under an ethylene atmosphere by inducing a remarkably improved catalytic activity while effectively reducing a production amount of polyethylene by introducing the oligomerization catalyst and a cocatalyst mixture containing at least two aluminums together and adjusting the kind of oligomerization catalyst and injection conditions thereof.
    Type: Grant
    Filed: July 5, 2017
    Date of Patent: February 16, 2021
    Assignees: SK Innovation Co., Ltd., SK Global Chemical Co., Ltd.
    Inventors: Sudevan Sujith, So Hee Sim, Hyo Seung Park, Sun Young Kim, Sang Ick Lee, Han Sol Lee
  • Patent number: 10923715
    Abstract: Provided are an anode active material for a lithium secondary battery, a method of preparing the same, and a lithium secondary battery containing the same. The present invention provides an anode active material for a lithium secondary battery including: a carbon based particle; a first carbon coating layer positioned on the carbon based particle and including pores; a silicon coating layer positioned on the pores and/or a pore-free surface of the first carbon coating layer; and second carbon coating layer positioned on the silicon coating layer, a method of preparing the same, and a lithium secondary battery containing the same.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: February 16, 2021
    Assignees: SK INNOVATION CO., LTD., UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Jee Hee Lee, Joon Sup Kim, Nam Hyung Kim, Yeong Uk Son, Yoon Kwang Lee, Jae Phil Cho
  • Patent number: 10916795
    Abstract: A battery module assembly, according to one embodiment of the present invention, comprises: a battery module including a base substrate and at least one battery cell, wherein a plurality of unit battery modules formed to surround a cell cover are stacked on the base substrate; and a battery case which is coupled to the base substrate, and which includes a first case surrounding the front surface of the battery module and a second case combined with the first case and surrounding a rear surface of the battery module. The present invention can effectively provide coupling reliability with an inner sensing membrane which is coupled to the battery module, and can seal the inside of the battery case by tightly combining the first case and the second case in a lateral direction.
    Type: Grant
    Filed: August 20, 2013
    Date of Patent: February 9, 2021
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Deok Soo Kim, Kyoung Min Cho, Sung Chul Park
  • Patent number: 10903533
    Abstract: Provided is a battery module, and more particularly, a battery module capable of improving cooling efficiency of battery cells and uniformly cooling the battery cells by reducing a contact resistance between a cooling fin and a heat sink, by allowing the cooling fin to be coupled and fixed to the heat sink so that the cooling fin which is in contact with the battery cell to conduct heat is in close contact with the heat sink for radiating the heat.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: January 26, 2021
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Ji Hoon Lim, Kwan Yong Kim, Young Ki Kim, Gyu Jin Chung
  • Patent number: 10883057
    Abstract: Provided is a method for separating normal paraffin and isoparaffin from raffinates of a benzene, toluene, and xylene (BTX) reforming process including C5 to C8 light naphtha, the method including: a liquid hydrogenation process for removing olefin by feeding raffinates in which hydrogen is dissolved into a reactor filled with a hydrogenation catalyst.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: January 5, 2021
    Assignees: SK Innovation Co., Ltd., SK Energy Co., Ltd.
    Inventors: Hyeon Hui Lee, Min Su Koo, Young Bin Seo, Hye Ryun Seo, Ju Hoe Kim
  • Patent number: 10886510
    Abstract: A battery module may include a plurality of sub-modules arranged in a single direction, a cooling unit contacting one sides of the plurality of sub-modules to cool the plurality of sub-modules, and a heating unit contacting other sides opposing the one sides of the plurality of sub-modules to heat the plurality of sub-modules.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: January 5, 2021
    Assignee: SK Innovation Co., Ltd.
    Inventors: Tae Gu Lee, Ji Hoon Lim, Kyoung Min Cho
  • Patent number: 10884066
    Abstract: The present invention provides an insulation resistance measurement method capable of accurately measuring an insulation resistance even though insulation breakdown occurs in both ends of a battery by improving an insulation resistance measurement algorithm in spite of utilizing an existing insulation resistance measurement circuit as it is in measuring insulation breakdown of the battery.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: January 5, 2021
    Assignee: SK Innovation Co., Ltd.
    Inventor: Jung Hwan Park
  • Patent number: 10870098
    Abstract: Provided are a fouling inhibitor and a method of oligomerizing an olefin using the same. More particularly, in the method of oligomerizing an olefin, it is possible to minimize a total amount of polymers produced during a reaction and basically inhibit fouling of the polymers produced during the reaction onto an inner wall of a reactor by injecting a predetermined fouling inhibitor.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: December 22, 2020
    Assignees: SK Innovation Co., Ltd., SK Global Chemical Co., Ltd.
    Inventors: Hyo Seung Park, Woo Sung Jung, In Hyoup Song, Il Gu Jung, Jong Ho Choi
  • Patent number: 10873114
    Abstract: One embodiment of the present disclosure relates to a secondary battery module. A secondary battery module includes a plurality of battery cells; and a first frame configured to accommodate and cool the plurality of battery cells, wherein the first frame includes: a housing configured to accommodate the plurality of battery cells; and at least one cooling plate coupled to one surface of the housing, interposed between groups of one or more battery cells among the plurality of battery cells disposed in the housing, and configured to fix the plurality of battery cells and dissipate heat generated from the plurality of battery cells.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: December 22, 2020
    Assignee: SK Innovation Co., Ltd.
    Inventors: Seung Hoon Ju, Kwan Yong Kim
  • Publication number: 20200377793
    Abstract: An etching composition contains phosphoric acid, phosphoric anhydride, a compound represented by the following Formula 1, and a silane compound comprising at least one silicon (Si) atom, excluding the compound represented by Formula 1: wherein, in Formula 1, A is an n-valent radical, where n is an integer of 1 to 6, L is a direct bond or hydrocarbylene, Y is selected from NR1, O, PR2 and S, where R1 to R2 are independently hydrogen, halogen, a substituted or unsubstituted hydrocarbyl group, or non-hydrocarbyl group, X and Z are independently selected from N, O, P and S, and Ra to Rc are independently an unshared electron pair, hydrogen, or a substituted or unsubstituted hydrocarbyl group.
    Type: Application
    Filed: May 29, 2020
    Publication date: December 3, 2020
    Applicants: SK Innovation Co., Ltd., SK-Materials Co., Ltd.
    Inventors: Cheol Woo Kim, Min Kyung Seon, Yu Na Shim, Jae Hoon Kwak, Young Bom Kim, Jong Ho Lee, Jin Kyung Jo
  • Publication number: 20200377794
    Abstract: An etchant composition includes a silane compound represented by the following Chemical Formula 1: wherein R1 to R6 are independently hydrogen, halogen, a substituted or unsubstituted C1-C20 hydrocarbyl group, a phenyl group, a C1-C20 alkoxy group, a carboxy group, a carbonyl group, a nitro group, a tri(C1-C20) alkylsilyl group, a phosphoryl group, or a cyano group, L is a direct bond or C1-C3 hydrocarbylene, A is an n-valent radical, and n is an integer of 1 to 4.
    Type: Application
    Filed: August 18, 2020
    Publication date: December 3, 2020
    Applicants: SK Innovation Co., Ltd., SK-Materials Co., Ltd.
    Inventors: Cheol Woo KIM, Yu Na SHIM, Kwang Kuk LEE, Young Bom KIM, Jin Kyung JO
  • Patent number: 10854863
    Abstract: Provided is a separator for a secondary battery including: a porous substrate; and a coating layer formed on the porous substrate, wherein the coating layer includes a plurality of inorganic particles and a binder for binding the plurality of inorganic particles, and the binder includes a copolymer of a monomer mixture including an acrylamide-based monomer, a vinyl cyanide monomer, and an acrylic monomer having a carboxyl group.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: December 1, 2020
    Assignees: SK INNOVATION CO., LTD., SK IE TECHNOLOGY CO., LTD.
    Inventors: Yun Bong Kim, Su Ji Lee, Kyu Young Cho, Won Sub Kwack, Hye Jin Kim
  • Patent number: 10854864
    Abstract: Provided are a separator for a lithium secondary battery and a lithium secondary battery comprising the same. The separator for a lithium secondary battery includes: a porous substrate; and a coating layer disposed on one side or both sides of the porous substrate and including a first inorganic particle and a second inorganic particle having different lengths of a major axis, and a binder, wherein a moisture content is less than 800 ppm after being left for 12 hours at a temperature of 40° C. and relative humidity of 90%.
    Type: Grant
    Filed: August 19, 2019
    Date of Patent: December 1, 2020
    Assignees: SK INNOVATION CO., LTD., SK IE TECHNOLOGY CO., LTD.
    Inventors: Yun Bong Kim, Won Sub Kwack, Hye Jin Kim, Su Ji Lee, Kyu Young Cho
  • Patent number: 10840508
    Abstract: Provided is a secondary battery, specifically, a secondary battery having excellent stability and improved output characteristic and low temperature characteristic by including a cathode active material in which at least one of metals forming the cathode active material has a concentration gradient in an entire region from a central portion up to a surface portion; and a conductive material mixture in which carbon nanotube is mixed with carbon black at an appropriate ratio, the carbon black being a spherical nanoparticle.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: November 17, 2020
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Jin-Sub Lim, Kook-Hyun Han, Duck-Chul Hwang