Patents by Inventor Eun-Jung Joo

Eun-Jung Joo 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: 9446332
    Abstract: Disclosed is an apparatus for separating gas and liquid. The apparatus for separating gas and liquid includes a housing, a rotating shaft provided inside the housing, a drive unit configured to rotate the rotating shaft, a rotating cone mounted at the rotating shaft to rotate about the rotating shaft and having a diameter decreasing from an upper end to a lower end thereof, a fixed cone fixed in the housing to be spaced apart from the rotating cone and having a diameter decreasing from an upper end to a lower end thereof, and a scraper configured to remove scale generated in at least one of the fixed cone and the rotating cone, based on the rotation of the rotating shaft.
    Type: Grant
    Filed: July 18, 2014
    Date of Patent: September 20, 2016
    Assignee: LG Chem, Ltd.
    Inventors: Dae Young Shin, Eun Jung Joo, Dong Kwon Lee, Chang Hoe Heo, Jong Ku Lee
  • Patent number: 9364780
    Abstract: Disclosed is an apparatus for separating gas and liquid. The apparatus for separating gas and liquid includes a housing, a rotating shaft provided inside the housing, a drive unit configured to rotate the rotating shaft, a rotating cone mounted at the rotating shaft to rotate about the rotating shaft and having a diameter decreasing from an upper end to a lower end thereof, and a fixed cone formed by coupling at least two first unit members in a circumferential direction of the rotating shaft, disposed in the housing to be spaced apart from the rotating cone and having a diameter decreasing an upper end to a lower end thereof.
    Type: Grant
    Filed: July 18, 2014
    Date of Patent: June 14, 2016
    Assignee: LG Chem, Ltd.
    Inventors: Dae Young Shin, Eun Jung Joo, Dong Kwon Lee, Chang Hoe Heo, Jong Ku Lee
  • Publication number: 20150367254
    Abstract: Provided is an apparatus for separating a gas and a liquid, the apparatus including a housing comprising a plurality of tubular columns that are able to be stacked in a height direction, a rotary shaft provided in the housing, a driving unit configured to rotate the rotary shaft, a rotary cone mounted on the rotary shaft to be rotated about the rotary shaft and having a diameter reduced from an upper end section toward a lower end section, and a stationary cone mounted on the tubular column to be spaced apart from the rotary cone and formed in a tubular shape having a diameter reduced from the upper end section toward the lower end section.
    Type: Application
    Filed: July 18, 2014
    Publication date: December 24, 2015
    Inventors: Dae Young SHIN, Eun Jung JOO, Chang Hoe HEO, Jong Ku LEE
  • Patent number: 9162210
    Abstract: A SCC (Spinning Cone Column) includes a housing having a rotation axis, a supply part of at least one reactant formed inside of the housing, at least two spinning cones that are installed so as to have a constant gradient from the upper part to the lower part to the rotation axis, move reactants supplied through the reactant supply part, and rotate around the rotation axis, a fixed cone that is fixed and formed on the inner side of the housing, and provides a pathway for sequentially moving reactant from a spinning cone at the upper part to a spinning cone at the lower part, a product collection part for collecting reactants moved through the spinning cone and the fixed cone, and a driving part for rotating the spinning cone.
    Type: Grant
    Filed: May 25, 2012
    Date of Patent: October 20, 2015
    Assignee: LG CHEM, LTD.
    Inventors: Eun-Jung Joo, Dae-Young Shin, Jong-Ku Lee
  • Publication number: 20150283488
    Abstract: Disclosed is an apparatus for separating gas and liquid. The apparatus for separating gas and liquid includes a housing, a rotating shaft provided inside the housing, a drive unit configured to rotate the rotating shaft, a rotating cone mounted at the rotating shaft to rotate about the rotating shaft and having a diameter decreasing from an upper end to a lower end thereof, and a fixed cone formed by coupling at least two first unit members in a circumferential direction of the rotating shaft, disposed in the housing to be spaced apart from the rotating cone and having a diameter decreasing an upper end to a lower end thereof.
    Type: Application
    Filed: July 18, 2014
    Publication date: October 8, 2015
    Inventors: Dae Young Shin, Eun Jung Joo, Dong Kwon Lee, Chang Hoe Heo, Jong Ku Lee
  • Publication number: 20150274546
    Abstract: Disclosed is an apparatus for separating gas and liquid. The apparatus for separating gas and liquid includes a housing, a rotating shaft provided inside the housing, a drive unit configured to rotate the rotating shaft, a rotating cone mounted at the rotating shaft to rotate about the rotating shaft and having a diameter decreasing from an upper end to a lower end thereof, a fixed cone fixed in the housing to be spaced apart from the rotating cone and having a diameter decreasing from an upper end to a lower end thereof, and a scraper configured to remove scale generated in at least one of the fixed cone and the rotating cone, based on the rotation of the rotating shaft.
    Type: Application
    Filed: July 18, 2014
    Publication date: October 1, 2015
    Applicant: LG CHEM, LTD.
    Inventors: Dae Young Shin, Eun Jung Joo, Dong Kwon Lee, Chang Hoe Heo, Jong Ku Lee
  • Patent number: 9018346
    Abstract: The present invention provides a method for removing unreacted monomer in polymer using a SCC comprising a housing having a rotation axis; a supply part of at least one polymer formed inside of the housing; at least two spinning cones that are installed so as to have a constant gradient from the upper part to the lower part to the rotation axis, move polymer supplied through the polymer supply part, and rotate around the rotation axis; a fixed cone that is fixed and formed on the inner side of the housing, and provides a pathway for sequentially moving polymer from a spinning cone at the upper part to a spinning cone at the lower part; a product collection part for collecting polymer moved through the spinning cone and the fixed cone; and a driving part for rotating the spinning cone.
    Type: Grant
    Filed: May 25, 2012
    Date of Patent: April 28, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Eun-Jung Joo, Dong-Kwon Lee, Dae-Young Shin, Jong-Ku Lee, Chang-Hoe Heo
  • Patent number: 8920735
    Abstract: The present invention provides a SCC (Spinning Cone Column) equipped with a foam removal unit comprising: a housing having a rotation axis; a supply part of at least one reactant formed inside of the housing; at least two spinning cones that are installed so as to have a constant gradient from the upper part to the lower part to the rotation axis, move supplied reactants through the reactant supply part, and rotate around the rotation axis; a fixed cone that is fixed and formed on the inner side of the housing, and provides a pathway for sequentially moving reactant from a spinning cone at the upper part to a spinning cone at the lower part; a product collection part for collecting reactants moved through the spinning cone and the fixed cone; and a driving part for rotating the spinning cone, wherein a foam removal unit is installed on one side of the housing.
    Type: Grant
    Filed: May 25, 2012
    Date of Patent: December 30, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Eun-Jung Joo, Dong-Kwon Lee, Dae-Young Shin, Jong-Ku Lee
  • Publication number: 20140107302
    Abstract: The present invention relates to a SCC with improved mobility of material to be removed due to a wider distance between the upper stages than a distance between the lower stages.
    Type: Application
    Filed: May 25, 2012
    Publication date: April 17, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Eun-Jung Joo, Dae-Young Shin, Jong-Ku Lee
  • Publication number: 20140088273
    Abstract: The present invention provides a SCC (Spinning Cone Column) equipped with a foam removal unit comprising: a housing having a rotation axis; a supply part of at least one reactant formed inside of the housing; at least two spinning cones that are installed so as to have a constant gradient from the upper part to the lower part to the rotation axis, move supplied reactants through the reactant supply part, and rotate around the rotation axis; a fixed cone that is fixed and formed on the inner side of the housing, and provides a pathway for sequentially moving reactant from a spinning cone at the upper part to a spinning cone at the lower part; a product collection part for collecting reactants moved through the spinning cone and the fixed cone; and a driving part for rotating the spinning cone, wherein a foam removal unit is installed on one side of the housing.
    Type: Application
    Filed: May 25, 2012
    Publication date: March 27, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Eun-Jung Joo, Dong-Kwon Lee, Dae-Young Shin, Jong-Ku Lee
  • Publication number: 20140066580
    Abstract: The present invention provides a method for removing unreacted monomer in polymer using a SCC comprising a housing having a rotation axis; a supply part of at least one polymer formed inside of the housing; at least two spinning cones that are installed so as to have a constant gradient from the upper part to the lower part to the rotation axis, move polymer supplied through the polymer supply part, and rotate around the rotation axis; a fixed cone that is fixed and formed on the inner side of the housing, and provides a pathway for sequentially moving polymer from a spinning cone at the upper part to a spinning cone at the lower part; a product collection part for collecting polymer moved through the spinning cone and the fixed cone; and a driving part for rotating the spinning cone.
    Type: Application
    Filed: May 25, 2012
    Publication date: March 6, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Eun-Jung Joo, Dong-Kwon Lee, Dae-Young Shin, Jong-Ku Lee, Chang-Hoe Heo