Patents by Inventor Leedong ROH

Leedong ROH 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).

  • Solid pharmaceutical composition comprising amlodipine and losartan
    Patent number: 10034862
    Abstract: The present invention provides a pharmaceutical composition for the prevention or treatment of cardiovascular disorders containing losartan or a pharmaceutically acceptable salt thereof; amlodipine or a pharmaceutically acceptable salt thereof; a disintegrant; and a coating agent. The composition of the present invention, which has the best combination and optimum ratio of a disintegrant to a coating agent, shows sufficient strength and high dissolution rates under various pH environments, and thus, it is useful for the preparation of an excellent solid formulation exhibiting improved drug delivery efficiency and storage stability.
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: July 31, 2018
    Assignee: HANMI PHARM. CO., LTD.
    Inventors: Leedong Roh, Ho Taek Im, Young Su Yoon, Yong Il Kim, Jae Hyun Park, Jong Soo Woo
  • SOLID PHARMACEUTICAL COMPOSITION COMPRISING AMLODIPINE AND LOSARTAN
    Publication number: 20170326110
    Abstract: The present invention provides a pharmaceutical composition for the prevention or treatment of cardiovascular disorders containing losartan or a pharmaceutically acceptable salt thereof; amlodipine or a pharmaceutically acceptable salt thereof; a disintegrant; and a coating agent. The composition of the present invention, which has the best combination and optimum ratio of a disintegrant to a coating agent, shows sufficient strength and high dissolution rates under various pH environments, and thus, it is useful for the preparation of an excellent solid formulation exhibiting improved drug delivery efficiency and storage stability.
    Type: Application
    Filed: September 1, 2015
    Publication date: November 16, 2017
    Applicant: HANMI PHARM. CO., LTD.
    Inventors: Leedong ROH, Ho Taek IM, Young Su YOON, Yong II KIM, Jae Hyun PARK, Jong Soo WOO