Patents by Inventor Young-Wook Son

Young-Wook Son 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).

  • COPOLYCARBONATE AND COMPOSITION CONTAINING THE SAME (As Amended)
    Publication number: 20160326313
    Abstract: The present invention relates to a copolycarbonate and a composition comprising the same. The copolycarbonate according to the present invention has a structure in which a specific siloxane compound is introduced in a main chain of the polycarbonate, and thus has effects of improving impact strength at low temperature, YI (Yellow Index) and melt index simultaneously.
    Type: Application
    Filed: December 4, 2015
    Publication date: November 10, 2016
    Inventors: Young Wook SON, Moo Ho HONG, Ki Jae LEE, Jung Jun PARK
  • COPOLYCARBONATE AND COMPOSITION CONTAINING THE SAME
    Publication number: 20160326314
    Abstract: The present invention relates to a copolycarbonate and a composition comprising the same. The copolycarbonate according to the present invention has a structure in which a specific siloxane compound is introduced in a main chain of the polycarbonate, and thus exhibits an excellent transparency and a high spiral flow while having a high impact strength at room temperature and a low melt index.
    Type: Application
    Filed: December 4, 2015
    Publication date: November 10, 2016
    Inventors: Young Wook SON, Hyong Min BAHN, Young Young HWANG, Jung Jun PARK, Moo Ho HONG, Ki Jae LEE, Byoung Kyu CHUN, Un KO
  • COPOLYCARBONATE AND COMPOSITION COMPRISING THE SAME
    Publication number: 20160297926
    Abstract: The present invention relates to a copolycarbonate and a molded article comprising the same. The copolycarbonates according to the present invention has a structure in which a specific siloxane compound is introduced in a main chain of the polycarbonate, and has effects of improving impact strength at room temperature, impact strength at low temperature, and melt index properties.
    Type: Application
    Filed: November 16, 2015
    Publication date: October 13, 2016
    Inventors: Young Young HWANG, Hyong Min BAHN, Jung Jun PARK, Moo Ho HONG, Ki Jae LEE, Byoung Kyu CHUN, Un KO, Young Wook SON
  • COPOLYCARBONATE AND COMPOSITION COMPRISING THE SAME
    Publication number: 20160251481
    Abstract: The present invention relates to copolycarbonates and a composition comprising the same. The copolycarbonate according to the present invention has a structure in which specific siloxane compounds are introduced in the main chain of polycarbonate and thus exhibits the effects of improving impact strength at room temperature, impact strength at low-temperature and melt index.
    Type: Application
    Filed: September 4, 2015
    Publication date: September 1, 2016
    Inventors: Young Young HWANG, Hyong Min BAHN, Jung Jun PARK, Moo Ho HONG, Ki Jae LEE, Byoung Kyu CHUN, Un KO, Young Wook SON
  • Method of preparing tetrabenazine and dihydrotetrabenazine
    Patent number: 8993766
    Abstract: The present invention relates to a method for preparing tetrabenazine (TBZ) and dihydrotetrabenazine (DTBZ), and more specifically to a method for preparing tetrabenazine (TBZ) and dihydrotetrabenazine (DTBZ) by using simple and short reaction processes of using 6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline and 4-methyl-2-(3-(trimethylsilyl)prop-1-ene-2-yl)pentane as starting materials to sequentially perform an alkylation reaction, an Aza-Prins cyclization reaction in the presence of an oxidant and an oxidation reaction.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: March 31, 2015
    Assignee: Korea Institute of Science and Technology
    Inventors: Sun Joon Min, Yong Seo Cho, Jae Kyun Lee, Ae Nim Pae, Young Wook Son
  • METHOD OF PREPARING TETRABENAZINE AND DIHYDROTETRABENAZINE
    Publication number: 20130197227
    Abstract: The present invention relates to a method for preparing tetrabenazine (TBZ) and dihydrotetrabenazine (DTBZ), and more specifically to a method for preparing tetrabenazine (TBZ) and dihydrotetrabenazine (DTBZ) by using simple and short reaction processes of using 6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline and 4-methyl-2-(3-(trimethylsilyl)prop-1-ene-2-yl)pentane as starting materials to sequentially perform an alkylation reaction, an Aza-Prins cyclization reaction in the presence of an oxidant and an oxidation reaction.
    Type: Application
    Filed: September 14, 2012
    Publication date: August 1, 2013
    Applicant: Korea Institute of Science and Technology
    Inventors: Sun Joon MIN, Yong Seo Cho, Jae Kyun Lee, Ae Nim Pae, Young Wook Son
  • Method for fabricating dc SQUID using high-Tc superconducting intrinsic Josephson junctions
    Patent number: 6908771
    Abstract: A DC superconducting interference device (SQUID) utilizes intrinsic Josephson tunnel junctions formed naturally in stacks of high-Tc superconducting single crystals, where the double-side cleaving technique is used to define a ring-shaped high-Tc superconducting structure with two stacks of intrinsic Josephson junctions inserted in the ring.
    Type: Grant
    Filed: May 9, 2003
    Date of Patent: June 21, 2005
    Assignee: Postech Foundation
    Inventors: Hu-Jong Lee, Young-Wook Son, Jong-Hoon Bae, Myung-Ho Bae
  • METHOD FOR FABRICATING DC SQUID USING HIGH-TC SUPERCONDUCTING INTRINSIC JOSEPHSON JUNCTIONS
    Publication number: 20050106313
    Abstract: A DC superconducting interference device (SQUID) utilizes intrinsic Josephson tunnel junctions formed naturally in stacks of high-Tc superconducting single crystals, where the double-side cleaving technique is used to define a ring-shaped high-Tc superconducting structure with two stacks of intrinsic Josephson junctions inserted in the ring.
    Type: Application
    Filed: May 9, 2003
    Publication date: May 19, 2005
    Inventors: Hu-Jong Lee, Young-Wook Son, Jong-Hoon Bae, Myung-Ho Bae