Patents by Inventor Ha Yong Choi

Ha Yong Choi 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).

  • Patent number: 9687482
    Abstract: The present invention relates to a solifenacin preparation containing solifenacin or a pharmaceutically acceptable salt thereof, an antioxidant, and a binder, which is manufactured via direct compression. Compared to the preparations manufactured via conventional wet granulation process, the preparation of the present invention can be manufactured by a simplified process such as direct compression, and has improved content uniformity, mixing degree, etc., even when the preparation is manufactured by high speed tableting.
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: June 27, 2017
    Assignee: CJ HEALTHCARE CORPORATION
    Inventors: Young Hee Suh, Young Dae Cho, Chun Seon Lyu, Mi Young Yoon, Ha Yong Choi, Sung Kyun Han
  • Patent number: 9629844
    Abstract: The present invention relates to a stabilized pemetrexed formulation, and more specifically, to a stabilized pemetrexed formulation comprising acetylcysteine as an antioxidant and sodium citrate as a buffering agent. Additionally, the present invention relates to a pemetrexed formulation filled in a sealed container, comprising pemetrexed or a pharmaceutically acceptable salt thereof as an active ingredient, wherein the oxygen gas content within the headspace of the container is 3 v/v % or less.
    Type: Grant
    Filed: May 8, 2014
    Date of Patent: April 25, 2017
    Assignee: CJ HEALTHCARE CORPORATION
    Inventors: Myung Jin Shin, Hong Chul Jin, Young Joon Park, Nak Hyun Choi, Ha Yong Choi
  • Publication number: 20160120867
    Abstract: The present invention relates to a stabilized pemetrexed formulation, and more specifically, to a stabilized pemetrexed formulation comprising acetylcysteine as an antioxidant and sodium citrate as a buffering agent. Additionally, the present invention relates to a pemetrexed formulation filled in a sealed container, comprising pemetrexed or a pharmaceutically acceptable salt thereof as an active ingredient, wherein the oxygen gas content within the headspace of the container is 3 v/v % or less.
    Type: Application
    Filed: May 8, 2014
    Publication date: May 5, 2016
    Applicant: CJ Healthcare Corporation
    Inventors: Myung Jin SHIN, Hong Chul JIN, Young Joon PARK, Nak Hyun CHOI, Ha Yong CHOI
  • Patent number: 9265832
    Abstract: The present invention relates to a stabilized pemetrexed formulation, and more particularly to a stabilized pemetrexed formulation comprising acetylcysteine as antioxidant and a citrate salt as buffer.
    Type: Grant
    Filed: November 29, 2013
    Date of Patent: February 23, 2016
    Assignee: CJ HEALTHCARE CORPORATION
    Inventors: Young Joon Park, Myung Jin Shin, Hong Chul Jin, Ha Yong Choi, Nak Hyun Choi
  • Publication number: 20150297724
    Abstract: The present invention relates to a stabilized pemetrexed formulation, and more particularly to a stabilized pemetrexed formulation comprising acetylcysteine as antioxidant and a citrate salt as buffer.
    Type: Application
    Filed: November 29, 2013
    Publication date: October 22, 2015
    Inventors: Young Joon Park, Myung Jin Shin, Hong Chul Jin, Ha Yong Choi, Nak Hyun Choi
  • Publication number: 20150216856
    Abstract: The present invention relates to a solifenacin preparation containing solifenacin or a pharmaceutically acceptable salt thereof, an antioxidant, and a binder, which is manufactured via direct compression. Compared to the preparations manufactured via conventional wet granulation process, the preparation of the present invention can be manufactured by a simplified process such as direct compression, and has improved content uniformity, mixing degree, etc., even when the preparation is manufactured by high speed tableting.
    Type: Application
    Filed: January 29, 2015
    Publication date: August 6, 2015
    Inventors: Young Hee Suh, Young Dae Cho, Chun Seon Lyu, Mi Young Yoon, Ha Yong Choi, Sung Kyun Han