Patents by Inventor Won Ja Choi

Won Ja Choi 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).

  • Ethanol-resistant yeast gene, and use thereof
    Patent number: 8809060
    Abstract: The present invention relates to a gene associated with ethanol tolerance, and yeast strains and uses using the same. The yeast strain of this invention may growth under the condition not only with high-concentration ethanol, preferably 6-15% ethanol, but also in high osmotic pressure, preferably 30-40% glucose or sucrose. The present inventors developed yeast strains resistant to high-concentration glucose and ethanol, suggesting that they would be valuably applied to much effective ethanol production, and also be utilized as a superbacteria having tolerance to various stresses for ethanol production with high efficiency.
    Type: Grant
    Filed: November 24, 2010
    Date of Patent: August 19, 2014
    Assignee: Ewha University-Industry Collaboration Foundation
    Inventors: Won Ja Choi, Wan Kee Kim
  • Ethanol-Resistant Yeast Gene, and Use Thereof
    Publication number: 20130137181
    Abstract: The present invention relates to a gene associated with ethanol tolerance, and yeast strains and uses using the same. The yeast strain of this invention may growth under the condition not only with high-concentration ethanol, preferably 6-15% ethanol, but also in high osmotic pressure, preferably 30-40% glucose or sucrose. The present inventors developed yeast strains resistant to high-concentration glucose and ethanol, suggesting that they would be valuably applied to much effective ethanol production, and also be utilized as a superbacteria having tolerance to various stresses for ethanol production with high efficiency.
    Type: Application
    Filed: November 24, 2010
    Publication date: May 30, 2013
    Applicant: EWHA UNIVERSITY-INDUSTRY COLLABORATION FOUNDATION
    Inventors: Won Ja Choi, Wan Kee Kim