Patents by Inventor Su-Kyung Lee

Su-Kyung Lee 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: 20170320790
    Abstract: The present invention relates to a catalyst for transfer hydrogenation, which is formed of a metal-organic framework having an MOF-808 based X-ray diffraction pattern. A high crystalline porous MOF-808 based metal-organic framework exhibits excellent performance in the transfer hydrogenation of ethyl levulinate (EL) at high and low temperature.
    Type: Application
    Filed: May 2, 2017
    Publication date: November 9, 2017
    Inventors: Young Kyu Hwang, Jong San Chang, Do Young Hong, Dong Won Hwang, U Hwang Lee, Kyung Ho Cho, Anil Haribhau Valekar, Su Kyung Lee
  • Patent number: 9806329
    Abstract: Disclosed are a negative electrode for a rechargeable lithium battery that includes a plurality of non-sheet-shaped graphite particles, at least one silicon-based particle in a void formed by assembling the non-sheet-shaped graphite particles, and a sheet-shaped graphite powder between the non-sheet-shaped graphite particles, the void, or both thereof, wherein a size of the silicon particle is smaller than a length of the longest axis of the sheet-shaped graphite powder.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: October 31, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Young-Jin Choi, Yong-Chan You, Sang-Hyuck Ahn, Su-Kyung Lee, Deok-Hyun Kim, Xianhui Meng, Sang-Pil Kim
  • Publication number: 20170209596
    Abstract: The present invention relates to an inclusion compound of fumagillol derivative or its salt with hydroxypropyl-?-cyclodextrin or sulfobutylether-7-?-cyclodextrin, and pharmaceutical compositions comprising the same. The inclusion compound according to the present invention has superior water solubility and stability while exhibiting low toxicity, rendering it valuable as an anticancer agent or inhibitor of tumor metastasis.
    Type: Application
    Filed: August 31, 2016
    Publication date: July 27, 2017
    Inventors: Jae Hyun Kim, Su Kyung Lee, Won Kyu Choi, Jong Lae Lim, Soon Kil Ahn, Hee Jong Shin, Chung Il Hong
  • Publication number: 20170101390
    Abstract: The present invention relates to a method and apparatus for preparation of lactide using a lactide purification process, comprising introducing an aqueous solution comprising lactic acid into a reactor filled with a catalyst and reacting the same to produce crude lactide vapor; and purifying the crude lactide vapor to produce lactide crystals, wherein a first purification comprises collecting and crystallizing the crude lactide vapor using a first solvent to produce lactide crystals, and separating the lactide crystal from a residue through filtration.
    Type: Application
    Filed: October 11, 2016
    Publication date: April 13, 2017
    Inventors: Dong Won HWANG, Jong San CHANG, Young Kyu HWANG, U Hwang LEE, Do Young HONG, Su Kyung LEE, Kyung Ho CHO, Pravin Pandharinath UPARE
  • Patent number: 9601754
    Abstract: Disclosed are a negative active material for a rechargeable lithium battery including a silicon-based material including SiOx particles, where 0<x<2, and a Si—Fe—containing alloy positioned on the surface of the SiOx(0<x<2) particles, a method of preparing the same, and a negative electrode and a rechargeable lithium battery including the same.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: March 21, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Yu-Jeong Cho, Hyun-Ki Park, Sang-Hyuck Ahn, Deok-Hyun Kim, Xianhui Meng, Su-Kyung Lee, Yeon-Gap Kim, Young-Jin Choi
  • Patent number: 9562267
    Abstract: Provided is a standard plasmid for assaying a genetically modified plant, a method for quantitatively analyzing a target transgene within the genetically modified plant using the standard plasmid, and a kit for quantitatively analyzing the genetically modified plant including the standard plasmid, wherein the standard plasmid of the present invention is possible to be utilized for assaying a genome containing a 5-enoyl-4-pyruvylshikimate-3-phosphate synthase (EPSPS) gene or a cry1Ab gene, and in particular, significantly useful as a standard material capable of analyzing whether the genetically modified plant such as soybean RRS or GM maize MON810 is incorporated or an incorporation ratio thereof.
    Type: Grant
    Filed: November 16, 2015
    Date of Patent: February 7, 2017
    Assignee: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Hyong Ha Kim, Woo Jeong Kim, Su Kyung Lee, Jung Keun Suh, Young Hye Seo
  • Patent number: 9553307
    Abstract: A negative active material includes a conductive unit bound in island-like form to silicon-based nanowires on a carbonaceous base. Such negative active material may improve the electrical conductivity of the silicon-based nanowires, and suppress separation of the silicon-based nanowires caused from volume expansion, and thus may improve lifetime characteristics of a lithium battery.
    Type: Grant
    Filed: January 9, 2014
    Date of Patent: January 24, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Su-Kyung Lee, So-Ra Lee, Kyu-Nam Joo, Yu-Jeong Cho, Ui-Song Do, Chang-Su Shin, Ha-Na Yoo, Sang-Eun Park, Jae-Myung Kim
  • Publication number: 20160268591
    Abstract: Disclosed are a negative electrode for a rechargeable lithium battery that includes a plurality of non-sheet-shaped graphite particles, at least one silicon-based particle in a void formed by assembling the non-sheet-shaped graphite particles, and a sheet-shaped graphite powder between the non-sheet-shaped graphite particles, the void, or both thereof, wherein a size of the silicon particle is smaller than a length of the longest axis of the sheet-shaped graphite powder.
    Type: Application
    Filed: March 9, 2016
    Publication date: September 15, 2016
    Inventors: Young-Jin Choi, Yong-Chan You, Sang-Hyuck Ahn, Su-Kyung Lee, Deok-Hyun Kim, Xianhui Meng, Sang-Pil Kim
  • Publication number: 20160233501
    Abstract: A negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same are provided, and the negative active material includes a Si-based alloy; a first graphite material; and a second graphite material having a different average particle diameter from the first graphite material.
    Type: Application
    Filed: January 20, 2016
    Publication date: August 11, 2016
    Inventors: Su-Kyung LEE, Sang-Hyuck AHN, Deok-Hyun KIM, Xianhui MENG, Young Jin CHOI, Sang-Pil KIM, Yong-Chan YOU
  • Publication number: 20160138102
    Abstract: Provided is a standard plasmid for assaying a genetically modified plant, a method for quantitatively analyzing a target transgene within the genetically modified plant using the standard plasmid, and a kit for quantitatively analyzing the genetically modified plant including the standard plasmid, wherein the standard plasmid of the present invention is possible to be utilized for assaying a genome containing a 5-enoyl-4-pyruvylshikimate-3-phosphate synthase (EPSPS) gene or a cry1Ab gene, and in particular, significantly useful as a standard material capable of analyzing whether the genetically modified plant such as soybean RRS or GM maize MON810 is incorporated or an incorporation ratio thereof.
    Type: Application
    Filed: November 16, 2015
    Publication date: May 19, 2016
    Applicant: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Hyong Ha KIM, Woo Jeong KIM, Su Kyung LEE, Jung Keun SUH, Young Hye SEO
  • Patent number: 9252428
    Abstract: Disclosed is a negative electrode for a rechargeable lithium battery that includes a current collector and a negative active material layer on the current collector, the negative active material layer having an active mass density in a range of about 1.6 g/cc to about 2.1 g/cc and including graphite and a pore-forming agent.
    Type: Grant
    Filed: November 13, 2012
    Date of Patent: February 2, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jae-Myung Kim, Kyu-Nam Joo, Soon-Sung Suh, Su-Kyung Lee, Deok-Hyun Kim, Yeon-Gap Kim
  • Publication number: 20150238634
    Abstract: The present invention relates to an inclusion compound of fumagillol derivative or its salt with hydroxypropyl-?-cyclodextrin or sulfobutylether-7-?-cyclodextrin, and pharmaceutical compositions comprising the same. The inclusion compound according to the present invention has superior water solubility and stability while exhibiting low toxicity, rendering it valuable as an anticancer agent or inhibitor of tumor metastasis.
    Type: Application
    Filed: September 30, 2014
    Publication date: August 27, 2015
    Inventors: Jae Hyun Kim, Su Kyung Lee, Won Kyu Choi, Jong Lae Lim, Soon Kil Ahn, Hee Jong Shin, Chung Il Hong
  • Patent number: 9112221
    Abstract: A composite anode active material, an anode and a lithium battery each including the composite anode active material, and a method of preparing the composite anode active material. The composite anode active material includes a composite core, and a coating layer covering at least a region of the composite core, wherein the composite core includes a carbonaceous substrate and a metal/semi-metal nanostructure on the carbonaceous substrate, the coating layer is more predominant on the nanostructure than on the carbonaceous substrate, and the coating layer includes a metal oxide.
    Type: Grant
    Filed: February 5, 2013
    Date of Patent: August 18, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sang-Eun Park, Jae-Myung Kim, So-Ra Lee, Ui-Song Do, Chang-Su Shin, Yu-Jeong Cho, Su-Kyung Lee
  • Patent number: 9105920
    Abstract: In an aspect, a composite anode active material including: a porous particles, said porous particles including: a plurality of composite nanostructures; and a first carbonaceous material binding the composite nanostructures, wherein the porous particles have pores within the particle, and wherein the composite nanostructures include a crystalline second carbonaceous material substrate including at least one carbon nano-sheet, and a plurality of metal nanowires arranged at intervals on the crystalline second carbonaceous material substrate is disclosed.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: August 11, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Chang-Su Shin, Jae-Myung Kim, So-Ra Lee, Yu-Jeong Cho, Su-Kyung Lee, Ui-Song Do, Sang-Eun Park, Ha-Na Yoo
  • Patent number: 9105922
    Abstract: A negative active material and a lithium battery are provided. The negative active material includes a composite core, and a coating layer formed on at least part of the composite core. The composite core includes a carbonaceous base and a metal/metalloid nanostructure disposed on the carbonaceous base. The coating layer includes a metal oxide coating layer and an amorphous carbonaceous coating layer.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: August 11, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Yu-Jeong Cho, Sang-Eun Park, So-Ra Lee, Su-Kyung Lee, Ui-Song Do, Chang-Su Shin, Jae-Myung Kim
  • Publication number: 20150056510
    Abstract: Disclosed are a negative active material for a rechargeable lithium battery including a silicon-based material including SiOx particles, where 0<x<2, and a Si—Fe-containing alloy positioned on the surface of the SiOx (0<x<2) particles, a method of preparing the same, and a negative electrode and a rechargeable lithium battery including the same.
    Type: Application
    Filed: July 16, 2014
    Publication date: February 26, 2015
    Inventors: Yu-Jeong Cho, Hyun-Ki Park, Sang-Hyuck Ahn, Deok-Hyun Kim, Xianhui Meng, Su-Kyung Lee, Yeon-Gap Kim, Young-Jin Choi
  • Publication number: 20140234710
    Abstract: A negative active material includes a conductive unit bound in island-like form to silicon-based nanowires on a carbonaceous base. Such negative active material may improve the electrical conductivity of the silicon-based nanowires, and suppress separation of the silicon-based nanowires caused from volume expansion, and thus may improve lifetime characteristics of a lithium battery.
    Type: Application
    Filed: January 9, 2014
    Publication date: August 21, 2014
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Su-Kyung Lee, So-Ra Lee, Kyu-Nam Joo, Yu-Jeong Cho, Ui-Song Do, Chang-Su Shin, Ha-Na Yoo, Sang-Eun Park, Jae-Myung Kim
  • Publication number: 20140234714
    Abstract: A negative active material and a lithium battery are provided. The negative active material includes a composite core, and a coating layer formed on at least part of the composite core. The composite core includes a carbonaceous base and a metal/metalloid nanostructure disposed on the carbonaceous base. The coating layer includes a metal oxide coating layer and an amorphous carbonaceous coating layer.
    Type: Application
    Filed: December 19, 2013
    Publication date: August 21, 2014
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Yu-Jeong Cho, Sang-Eun Park, So-Ra Lee, Su-Kyung Lee, Ui-Song Do, Chang-Su Shin, Jae-Myung Kim
  • Publication number: 20140234708
    Abstract: In an aspect, an electrode for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery including the same are provided.
    Type: Application
    Filed: December 20, 2013
    Publication date: August 21, 2014
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Hyun-Ki Park, Dong-Hee Han, Jae-Myung Kim, Sang-Eun Park, Su-Kyung Lee
  • Patent number: D763889
    Type: Grant
    Filed: June 2, 2015
    Date of Patent: August 16, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Joo-Kyung Woo, Su-Kyung Lee, Sung-Hyo Jeong, Bong-Hee Han