Patents by Inventor Weon Ik CHOI

Weon Ik 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: 11013228
    Abstract: The present invention relates to a method of processing allograft skin for transplantation and a cryopreserved allograft skin produced thereby. More specifically, the present invention relates to a method in which a cryoprotectant is prepared by adding sucrose to basic constituents comprising dimethyl sulfoxide, an animal cell culture medium and fetal bovine serum, and then the resulting solution is used to subject skin tissue for transplantation to a freezing process.
    Type: Grant
    Filed: June 11, 2010
    Date of Patent: May 25, 2021
    Inventors: Weon Ik Choi, Wook Chun, Jae Deuk Jung
  • Patent number: 9623149
    Abstract: The present invention relates to a method for producing an acellular dermal matrix, and to an acellular dermal matrix produced by same, and more particularly, to a method for producing an acellular dermal matrix, in which sucrose is added to base ingredients consisting of glycerol, propylene glycol, and a base solvent or solution so as to produce a cryoprotectant, the solution is injected into the skin below the epidermis and dermis from which cells have been removed, and freeze-drying is then performed.
    Type: Grant
    Filed: June 11, 2010
    Date of Patent: April 18, 2017
    Assignee: CGBio Co., Ltd.
    Inventors: Wook Chun, Weon Ik Choi, Joon Pio Hong, Hyun Seung Ryu
  • Publication number: 20120329034
    Abstract: The present invention relates to a method for producing an acellular dermal matrix, and to an acellular dermal matrix produced by same, and more particularly, to a method for producing an acellular dermal matrix, in which sucrose is added to base ingredients consisting of glycerol, propylene glycol, and a base solvent or solution so as to produce a cryoprotectant, the solution is injected into the skin below the epidermis and dermis from which cells have been removed, and freeze-drying is then performed.
    Type: Application
    Filed: June 11, 2010
    Publication date: December 27, 2012
    Inventors: Wook Chun, Weon Ik Choi, Joon Pio Hong, Hyun Seung Ryu
  • Publication number: 20120189707
    Abstract: The present invention relates to a production method for cryopreserved acellular dermal matrix and to cryopreserved acellular dermal matrix produced thereby, and more specifically it relates to a method in which a cryopreservation agent is made by adding sucrose to basic components consisting of glycerol and a basic solution and in which the resulting solution is used in the cryopreservation of skin tissue from which the cells in the epidermis and dermis have been removed, and relates to cryopreserved acellular dermal matrix produced thereby.
    Type: Application
    Filed: September 9, 2010
    Publication date: July 26, 2012
    Applicant: INDUSTRY ACADEMIC COOPERATION FOUNDATION HALLYM UNIVERSITY
    Inventors: Wook Chun, Weon Ik Choi, Man Seong Park, Geun Hyung Kim, Jae Deuk Jung
  • Publication number: 20120122071
    Abstract: The present invention relates to a method of processing allograft skin for transplantation and a cryopreserved allograft skin produced thereby. More specifically, the present invention relates to a method in which a cryoprotectant is prepared by adding sucrose to basic constituents comprising dimethyl sulfoxide, an animal cell culture medium and fetal bovine serum, and then the resulting solution is used to subject skin tissue for transplantation to a freezing process.
    Type: Application
    Filed: June 11, 2010
    Publication date: May 17, 2012
    Inventors: Weon Ik Choi, Wook Chun, Jae Deuk Jung
  • Publication number: 20090176888
    Abstract: Provided is a composition for cancer treatment including phytosphingosine or a derivative thereof, or a pharmaceutically acceptable salt thereof as an active ingredient.
    Type: Application
    Filed: March 6, 2009
    Publication date: July 9, 2009
    Applicant: KOREA INSTITUTE OF RADIOLOGICAL & MEDICAL SCIENCES
    Inventors: Su Jae LEE, Yun Sil LEE, Soo Kwan KIM, Kyung Joong KIM, Chul Koo CHO, Chang Mo KANG, Tae Hwan KIM, Sangwoo BAE, Moon Taek PARK, Jung A. CHOI, Min Jeong KIM, Hee Yong CHUNG, Sujong KIM, Seongnam KANG, Weon Ik CHOI, Jung A. KANG