Patents by Inventor Joung Yul Yun

Joung Yul Yun 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: 9630977
    Abstract: The present invention relates to novel cephalosporin derivatives represented by X, Y, L, R1, and R2 are as same as defined in the description of the invention. The present invention also relates to pharmaceutical antibiotic compositions comprising a novel celphalosporin derivative represented by Chemical Formula 1, a prodrug thereof, a hydrate thereof, a solvate thereof, an isomer thereof, or a pharmaceutically acceptable salt thereof as an effective ingredient. According to the present invention, novel cephalosporin derivatives, a prodrug thereof, a hydrate thereof, a solvate thereof, an isomer thereof, or a pharmaceutically acceptable salt thereof as an effective ingredient for the broad spectrum of antibiotic resistant, low toxicity, particularly in Gram-negative bacteria, which can be useful with strong antimicrobial activity.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: April 25, 2017
    Assignee: Legochem Biosciences, Inc.
    Inventors: Young Lag Cho, Joung Yul Yun, Sang Eun Chae, Chul Soon Park, Hyang Sook Lee, Kyu Man Oh, Hye Jin Heo, Dae Hyuck Kang, Young Jae Yang, Hyun Jin Kwon, Tae Kyo Park, Sung Ho Woo, Yong Zu Kim
  • Patent number: 8809541
    Abstract: Provided are heterocyclic compounds, having effects of treating and preventing inflammatory diseases and treating skin wounds, and particularly, exhibiting effects of recovering disrupted skin barriers, mitigating inflammation, and pruritus. Also, a composition containing the compound as an effective component can be used to mitigate various inflammatory diseases and protease activated receptor-2 (PAR-2)-overexpressed diseases, and can be particularly used as a composition having an anti-inflammatory function in inflammatory skin diseases including atopic dermatitis and the like, by inhibiting PAR-2 activity.
    Type: Grant
    Filed: August 25, 2011
    Date of Patent: August 19, 2014
    Assignee: Neopharm Co., Ltd.
    Inventors: Hyung Sub Gwak, Yong Zu Kim, Uk Il Kim, Byeong Deog Park, Tae Kyo Park, Sung Ho Woo, Joung Yul Yun, Dae Yon Lee, Hyang Sook Lee, Jeong Eun Jeon, Se Kyoo Jeong, Hyung Mook Choi
  • Publication number: 20130165652
    Abstract: The heterocyclic compound according to the present invention may treat and prevent inflammatory diseases and heal skin wounds, and particularly, have effects of recovering damaged skin barrier, reducing inflammation and pruritus in inflammatory skin diseases. In addition, the composition containing the compound according to the present invention as an active ingredient may be used to alleviate various inflammatory diseases and diseases in which PAR-2 is excessively expressed, and particularly, the composition may inhibit activity of PAR-2 in skin, such that the composition may be used as a composition having anti-inflammatory function in inflammatory skin diseases including atopic dermatitis, or the like.
    Type: Application
    Filed: August 25, 2011
    Publication date: June 27, 2013
    Applicant: NEOPHARM CO.,LTD.
    Inventors: Hyung Sub Gwak, Yong Zu Kim, Uk Il Kim, Byeong Deog Park, Tae Kyo Park, Sung Ho Woo, Joung Yul Yun, Dae Yon Lee, Hyang Sook Lee, Jeong Eun Jeon, Se Kyoo Jeong, Hyung Mook Choi
  • Publication number: 20130158047
    Abstract: Provided are heterocyclic compounds, having effects of treating and preventing inflammatory diseases and treating skin wounds, and particularly, exhibiting effects of recovering disrupted skin barriers, mitigating inflammation, and pruritus. Also, a composition containing the compound as an effective component can be used to mitigate various inflammatory diseases and protease activated receptor-2 (PAR-2)-overexpressed diseases, and can be particularly used as a composition having an anti-inflammatory function in inflammatory skin diseases including atopic dermatitis and the like, by inhibiting PAR-2 activity.
    Type: Application
    Filed: August 25, 2011
    Publication date: June 20, 2013
    Applicant: NEOPHARM CO., LTD.
    Inventors: Hyung Sub Gwak, Yong Zu Kim, Uk Il Kim, Byeong Deog Park, Tae Kyo Park, Sung Ho Woo, Joung Yul Yun, Dae Yon Lee, Hyang Sook Lee, Jeong Eun Jeon, Se Kyoo Jeong, Hyung Mook Choi
  • Patent number: 8329684
    Abstract: The present invention relates to novel cephalosporin derivatives represented by Chemical Formula 1. Wherein, X, Y, L, R1, and R2 are as same as defined in the description of the invention. The present invention also relates to pharmaceutical antibiotic compositions comprising a novel celphalosporin derivative represented by Chemical Formula 1, a prodrug thereof, a hydrate thereof, a solvate thereof, an isomer thereof, or a pharmaceutically acceptable salt thereof as an effective ingredient. Compounds of the present invention are effective ingredients for the broad spectrum of antibiotic resistance, exhibit low toxicity, particularly in Gram-negative bacteria, which can be useful with strong antimicrobial activity.
    Type: Grant
    Filed: May 8, 2012
    Date of Patent: December 11, 2012
    Assignee: Legochem Biosciences, Inc.
    Inventors: Young Lag Cho, Joung Yul Yun, Sang Eun Chae, Chul Soon Park, Hyang Sook Lee, Kyu Man Oh, Hye Jin Kang, Dae Hyuck Kang, Young Jae Yang, Hyun Jin Kwon, Tae Kyo Park, Sung Ho Woo, Young Zu Kim
  • Publication number: 20120264727
    Abstract: The present invention relates to novel cephalosporin derivatives represented by Chemical Formula 1. Wherein, X, Y, L, R1, and R2 are as same as defined in the description of the invention. The present invention also relates to pharmaceutical antibiotic compositions comprising a novel celphalosporin derivative represented by Chemical Formula 1, a prodrug thereof, a hydrate thereof, a solvate thereof, an isomer thereof, or a pharmaceutically acceptable salt thereof as an effective ingredient. According to the present invention, novel cephalosporin derivatives, a prodrug thereof, a hydrate thereof, a solvate thereof, an isomer thereof, or a pharmaceutically acceptable salt thereof as an effective ingredient for the broad spectrum of antibiotic resistant, low toxicity, particularly in Gram-negative bacteria, which can be useful with strong antimicrobial activity.
    Type: Application
    Filed: May 8, 2012
    Publication date: October 18, 2012
    Applicant: Legochem Biosciences, Inc.
    Inventors: Young Lag CHO, Hye Jin HEO, Kyu Man OH, Hyang Sook LEE, Chul Soon PARK, Sang Eun CHAE, Joung Yul YUN, Hyun Jin KWON, Young Jae YANG, Dae Hyuck KANG, Yong Zu KIM, Sung Ho WOO, Tae Kyo PARK