Patents by Inventor Jeong Won Youn

Jeong Won Youn 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 antibody purification
    Patent number: 9683012
    Abstract: The present invention relates to a method for preparing a population of antibodies to have high purity and high quality by removing antibody isoforms and impurities through the use of a cation exchange column, a hydrophobic interaction column, and an anion exchange column successively, without using a protein A column; and to a population of antibodies prepared by the above method.
    Type: Grant
    Filed: December 14, 2012
    Date of Patent: June 20, 2017
    Assignee: PRESTIGE BIOPHARMA PTE. LTD.
    Inventors: Ji Yong Yoon, Dong Eun Lee, Won Kyum Kim, Jeong Won Youn, Jung Eun Baek
  • METHOD OF ANTIBODY PURIFICATION
    Publication number: 20140316115
    Abstract: The present invention relates to a method for preparing a population of antibodies to have high purity and high quality by removing antibody isoforms and impurities through the use of a cation exchange column, a hydrophobic interaction column, and an anion exchange column successively, without using a protein A column; and to a population of antibodies prepared by the above method.
    Type: Application
    Filed: December 14, 2012
    Publication date: October 23, 2014
    Applicant: Hanwha Chemical Corporation
    Inventors: Ji Yong Yoon, Dong Eun Lee, Won Kyum Kim, Jeong Won Youn, Jung Eun Baek