Patents by Inventor Suran LEE

Suran 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).

  • Method of purifying polyolefin
    Patent number: 9790292
    Abstract: Provided is a method of purifying polyolefin, the method including the step of contacting linear low-density polyethylene synthesized by a gas phase polymerization reaction with a purge gas containing an ethylene gas and an inert gas in a purge bin. According to this purification method, residual alkene monomers with high carbon numbers may be removed in a simpler and more efficient manner.
    Type: Grant
    Filed: October 23, 2014
    Date of Patent: October 17, 2017
    Assignee: LOTTE CHEMICAL CORPORATION
    Inventors: Sinyoung Kim, Seong Soo Lim, Suran Lee, Jaeho Kim, Sang Hong Shin
  • Method of purifying polyolefin
    Patent number: 9738734
    Abstract: Provided is a method of purifying polyolefin, the method including the step of contacting linear low-density polyethylene synthesized by a gas phase polymerization reaction with a purge gas containing an ethylene gas and an inert gas in a purge bin. According to this purification method, residual alkene monomers with high carbon numbers may be removed in a simpler and more efficient manner.
    Type: Grant
    Filed: October 23, 2014
    Date of Patent: August 22, 2017
    Assignee: LOTTE CHEMICAL CORPORATION
    Inventors: Sinyoung Kim, Seong Soo Lim, Suran Lee, Jaeho Kim, Sang Hong Shin
  • METHOD OF PURIFYING POLYOLEFIN
    Publication number: 20160289347
    Abstract: Provided is a method of purifying polyolefin, the method including the step of contacting linear low-density polyethylene synthesized by a gas phase polymerization reaction with a purge gas containing an ethylene gas and an inert gas in a purge bin. According to this purification method, residual alkene monomers with high carbon numbers may be removed in a simpler and more efficient manner.
    Type: Application
    Filed: October 23, 2014
    Publication date: October 6, 2016
    Inventors: Sinyoung KIM, Seong Soo LIM, Suran LEE, Jaeho KIM, Sang Hong SHIN