Patents by Inventor Sang-Sun Joung

Sang-Sun Joung 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).

  • Process for the preparation of HMG-COA reductase inhibitors and intermediates thereof
    Patent number: 8476432
    Abstract: The present invention provides an improved process for preparing HMG-CoA reductase inhibitors such as rosuvastatin calcium, fluvastatin sodium, and pitavastatin calcium under a mild condition, using a novel amide-bond-containing compound having R2—N—O—R1 moiety as a key intermediate. And also, the present invention provides the novel compound, an intermediate useful for the preparation thereof, and a process for the preparation thereof.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: July 2, 2013
    Assignee: Yuhan Corporation
    Inventors: Hyun Ju, Sang-Sun Joung, Hyun-Jik Yi, Ja-Heouk Khoo, Jong-Chul Lim, Jae-Gyu Kim
  • PROCESS FOR THE PREPARATION OF HMG-COA REDUCTASE INHIBITORS AND INTERMEDIATES THEREOF
    Publication number: 20130096303
    Abstract: The present invention provides an improved process for preparing HMG-CoA reductase inhibitors such as rosuvastatin calcium, fluvastatin sodium, and pitavastatin calcium under a mild condition, using a novel amide-bond-containing compound having R2—N—O—R1 moiety as a key intermediate. And also, the present invention provides the novel compound, an intermediate useful for the preparation thereof, and a process for the preparation thereof.
    Type: Application
    Filed: June 30, 2011
    Publication date: April 18, 2013
    Inventors: Hyun Ju, Sang-Sun Joung, Hyun-Jik Yi, Ja-Heouk Khoo, Jong-Chul Lim, Jae-Gyu Kim