Patents by Inventor Suk Man Jang

Suk Man Jang 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 Electrolyte Having Excellent Moisture Stability and Method for Preparing Same
    Publication number: 20240128502
    Abstract: An embodiment solid electrolyte includes a first compound and a second compound. The first compound is represented by a first chemical formula Li7-aPS6-a(X11-bX2b)a, wherein X1 and X2 are the same or different and each represents F, Cl, Br, or I, and wherein 0<a?2 and 0<b<1, and the second compound is represented by a second chemical formula Li7-cP1-2dMdS6-c-3d(X11-eX2e)c, wherein X1 and X2 are the same or different and each represents F, Cl, Br, or I, wherein M represents Ge, Si, Sn, or any combination thereof, and wherein 0<c?2, 0<d<0.5, and 0<e<1.
    Type: Application
    Filed: August 14, 2023
    Publication date: April 18, 2024
    Inventors: Sa Heum Kim, Yong Jun Jang, Yong Gu Kim, Sung Man Cho, Sun Ho Choi, Seong Hyeon Choi, Kyu Sung Park, Young Gyoon Ryu, Suk Gi Hong, Pil Sang Yun, Myeong Ju Ha, Hyun Beom Kim, Hwi Chul Yang
  • Method for preparation of Montelukast acid in ionic liquid medium
    Patent number: 8426599
    Abstract: The present invention relates to a method for preparing Montelukast acid or its sodium salt by reacting a thiol compound with a Montelukast intermediate in the presence of a base in a medium comprising an ionic liquid compound. In accordance with the inventive method, highly pure Montelukast acid or its sodium salt, which is advantageously used as a raw material in the preparation of Montelukast, a leukotriene antagonist, can be easily prepared in a high yield.
    Type: Grant
    Filed: October 1, 2008
    Date of Patent: April 23, 2013
    Assignee: Hanmi Science Co., Ltd
    Inventors: Chul-Hyun Park, Eun-Ju Park, Choong-Hahn Kim, Suk Man Jang, Eun Jung Lim, Young Kil Chang, Gwan Sun Lee, Jaeheon Lee
  • METHOD FOR PREPARATION OF MONTELUKAST ACID IN IONIC LIQUID MEDIUM
    Publication number: 20110105757
    Abstract: The present invention relates to a method for preparing Montelukast acid or its sodium salt by reacting a thiol compound with a Montelukast intermediate in the presence of a base in a medium comprising an ionic liquid compound. In accordance with the inventive method, highly pure Montelukast acid or its sodium salt, which is advantageously used as a raw material in the preparation of Montelukast, a leukotriene antagonist, can be easily prepared in a high yield.
    Type: Application
    Filed: October 1, 2008
    Publication date: May 5, 2011
    Applicant: HANMI PHARM. CO., LTD.
    Inventors: Chul-Hyun Park, Eun-Ju Park, Choong-Hahn Kim, Suk Man Jang, Eun Jung Lim, Young Kil Chang, Gwan Sun Lee, Jaeheon Lee