Patents by Inventor Ji Eun An

Ji Eun An 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).

  • Production method of intermediate compound for synthesizing medicament
    Patent number: 8741927
    Abstract: The present invention relates to a novel method for preparing a compound of formula (2) as the intermediate, which can be effectively used for preparation of a compound of formula (1) exhibiting good inhibitory activity against dipeptidyl peptidase IV enzyme.
    Type: Grant
    Filed: August 25, 2011
    Date of Patent: June 3, 2014
    Assignee: LG Life Sciences Ltd.
    Inventors: Bong Chan Kim, Kyu Young Kim, Hee Bong Lee, Ji Eun An, Kyu Woong Lee
  • PRODUCTION METHOD OF INTERMEDIATE COMPOUND FOR SYNTHESIZING MEDICAMENT
    Publication number: 20130165659
    Abstract: The present invention relates to a novel method for preparing a compound of formula (2) as the intermediate, which can be effectively used for preparation of a compound of formula (1) exhibiting good inhibitory activity against dipeptidyl peptidase IV enzyme.
    Type: Application
    Filed: August 25, 2011
    Publication date: June 27, 2013
    Applicant: LG LIFE SCIENCES LTD.
    Inventors: Bong Chan Kim, Kyu Young Kim, Hee Bong Lee, Ji Eun An, Kyu Woong Lee