Patents by Inventor Sung Kwun Kang

Sung Kwun Kang 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 the preparation of atorvastatin and intermediates used therein
    Patent number: 8178697
    Abstract: The present invention relates to a novel method for preparing atorvastatin. According to the present invention, provided are a novel intermediate of the preparation of atorvastatin and a method of preparing large amounts of atorvastatin in a safe manner using the intermediate.
    Type: Grant
    Filed: April 25, 2008
    Date of Patent: May 15, 2012
    Assignee: Chong Kun Dang Pharmaceutical Corp.
    Inventors: Soon Kil Ahn, Hong-Woo Lee, Choong Leol Yoo, Young-Min Kim, Chang Geun Song, Sung Kwun Kang, Jun A. You, Bong Kwan Soh, Dong Hyuk Nam
  • METHOD FOR THE PREPARATION OF ATORVASTATIN AND INTERMEDIATES USED THEREIN
    Publication number: 20110015407
    Abstract: The present invention relates to a novel method for preparing atorvastatin. According to the present invention, provided are a novel intermediate of the preparation of atorvastatin and a method of preparing large amounts of atorvastatin in a safe manner using the intermediate.
    Type: Application
    Filed: April 25, 2008
    Publication date: January 20, 2011
    Applicant: CHONG KUN DANG PHARMACEUTICAL CORP.
    Inventors: Soon Kil Ahn, Hong-Woo Lee, Choong Leol Yoo, Young-Min Kim, Chang Geun Song, Sung Kwun Kang, Jun A. You, Bong Kwan Soh, Dong Hyuk Nam