Patents by Inventor Choongryeol Park

Choongryeol Park 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).

  • Method for manufacturing synthetic leather using different liquid silicone rubber coating solutions
    Patent number: 9925752
    Abstract: The present invention relates to a method for manufacturing synthetic leather for various interior materials and various miscellaneous goods using liquid silicone rubber coating solutions, and particularly, to a method for manufacturing synthetic leather having physical properties optimized so as to be suitable for a use using a different textile according to the use thereof.
    Type: Grant
    Filed: July 30, 2012
    Date of Patent: March 27, 2018
    Assignee: JEONGSAN INTERNATIONAL CO., LTD
    Inventors: Dowan Kweon, Choongryeol Park, Heeun Byun
  • METHOD FOR MANUFACTURING SYNTHETIC LEATHER USING DIFFERENT LIQUID SILICONE RUBBER COATING SOLUTIONS
    Publication number: 20150165745
    Abstract: The present invention relates to a method for manufacturing synthetic leather for various interior materials and various miscellaneous goods using liquid silicone rubber coating solutions, and particularly, to a method for manufacturing synthetic leather having physical properties optimized so as to be suitable for a use using a different textile according to the use thereof.
    Type: Application
    Filed: July 30, 2012
    Publication date: June 18, 2015
    Applicant: DAEWOO INTERNATIONAL CORPORATION
    Inventors: Dowan Kweon, Choongryeol Park, Heeun Byun