Patents by Inventor Yeon Jung Yoon

Yeon Jung Yoon 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 for preparing meropenem using zinc powder
    Patent number: 9233963
    Abstract: The present invention relates to an improved method for synthesizing meropenem trihydrate[(1R,5S,6S)-2-[((2?S,4?S)-2?-dimethylaminocarbozyl)pyrrolidin-4?-ylthio]-6-[(R)-1-hydroxyethyl]-1-methylcarbapen-2-em-3-carboxylic acid, trihydrate], which is a novel carbapenem antibiotic.
    Type: Grant
    Filed: March 11, 2010
    Date of Patent: January 12, 2016
    Assignees: DAEWOONG PHARMACEUTICAL CO., LTD., DAEWOONG BIO, INC.
    Inventors: Yoon Seok Song, Sung Woo Park, Yeon Jung Yoon, Hee Kyoon Yoon, Seong Cheol Moon, Byung Goo Lee, Soo Jin Choi, Sun Ah Jun
  • METHOD FOR PREPARING MEROPENEM USING ZINC POWDER
    Publication number: 20120065392
    Abstract: The present invention relates to an improved method for synthesizing meropenem trihydrate [(1R,5S,6S)-2-[((2?S,4?S)-2?-dimethylaminocarbozyl)pyrrolidin-4?-ylthio]-6-[(R)-1-hydroxyethyl]-1-methylcarbapen-2-em-3-carboxylic acid, trihydrate], which is a novel carbapenem antibiotic.
    Type: Application
    Filed: March 11, 2010
    Publication date: March 15, 2012
    Applicants: DAEWOONG BIO INC., DAEWOONG PHARMACEUTICAL CO., LTD.
    Inventors: Yoon Seok Song, Sung Woo Park, Yeon Jung Yoon, Hee Kyoon Yoon, Seong Cheol Moon, Byung Goo Lee, Soo Jin Choi, Sun Ah Jun