Patents by Inventor Jong Sil KIM

Jong Sil KIM 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).

  • Pharmaceutical composition comprising tadalafil or pharmaceutically acceptable salt thereof and dutasteride or pharmaceutically acceptable salt thereof exhibiting novel dissolution rate
    Patent number: 12582651
    Abstract: Provided is a pharmaceutical composition comprising as active ingredients: 5 mg of tadalafil or a pharmaceutically acceptable salt thereof; and 0.5 mg of dutasteride or a pharmaceutically acceptable salt thereof, wherein the dissolution rate of tadalafil under the dissolution conditions of a paddle rate of 50 rpm in 500 mL of a dissolution solution having a pH of 1.2 and containing 0.25% of SLS is 60-75% after 5 minutes and 80% or more after 30 minutes, and the dissolution rate of dutasteride under the dissolution conditions of a paddle rate of 50 rpm in 500 mL of a dissolution solution containing water and 0.1% of SLS is 50% or more after 15 minutes and 85% or more after 30 minutes.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: March 24, 2026
    Assignee: DONG KOOK PHARM. CO., LTD.
    Inventors: Ye Ri Lee, Sung Hoon Jun, Jong Sil Kim, Kye Wan Lee
  • PHARMACEUTICAL COMPOSITION COMPRISING TADALAFIL OR PHARMACEUTICALLLY ACCEPTABLE SALT THEREOF AND DUTASTERIDE OR PHARMACEUTICALLLY ACCEPTABLE SALT THEREOF EXHIBITING NOVEL DISSOLUTION RATE
    Publication number: 20240075028
    Abstract: Provided is a pharmaceutical composition comprising as active ingredients: 5 mg of tadalafil or a pharmaceutically acceptable salt thereof; and 0.5 mg of dutasteride or a pharmaceutically acceptable salt thereof, wherein the dissolution rate of tadalafil under the dissolution conditions of a paddle rate of 50 rpm in 500 mL of a dissolution solution having a pH of 1.2 and containing 0.25% of SLS is 60-75% after 5 minutes and 80% or more after 30 minutes, and the dissolution rate of dutasteride under the dissolution conditions of a paddle rate of 50 rpm in 500 mL of a dissolution solution containing water and 0.1% of SLS is 50% or more after 15 minutes and 85% or more after 30 minutes.
    Type: Application
    Filed: December 30, 2021
    Publication date: March 7, 2024
    Inventors: Ye Ri LEE, Sung Hoon JUN, Jong Sil KIM, Kye Wan LEE