Patents by Inventor Hyun Ju Ko

Hyun Ju Ko 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).

  • Water insoluble gel composition and method for preparing same
    Patent number: 9493636
    Abstract: The present invention provides a method for preparing a water insoluble gel composition comprising: mixing a water soluble polysaccharide, an epoxy cross-linking agent, an alkaline compound and a solvent; and drying the thus obtained mixture at 1 to 30° C. under vacuum to remove the solvent, and a water insoluble gel composition.
    Type: Grant
    Filed: November 21, 2012
    Date of Patent: November 15, 2016
    Assignee: AMOREPACIFIC CORPORATION
    Inventors: Young Chang Ah, Sung Yeon Cho, In Seok Hwang, Sun Young Park, Hyun Ju Ko, Hyuk Kim, Min Jung Kwon, Won Seok Park
  • WATER INSOLUBLE GEL COMPOSITION AND METHOD FOR PREPARING SAME
    Publication number: 20140331894
    Abstract: The present invention provides a method for preparing a water insoluble gel composition comprising: mixing a water soluble polysaccharide, an epoxy cross-linking agent, an alkaline compound and a solvent; and drying the thus obtained mixture at 1 to 30° C. under vacuum to remove the solvent, and a water insoluble gel composition.
    Type: Application
    Filed: November 21, 2012
    Publication date: November 13, 2014
    Applicant: AMOREPACIFIC CORPORATION
    Inventors: Young Chang Ah, Sung Yeon Cho, In Seok Hwang, Sun Young Park, Hyun Ju Ko, Hyuk Kim, Min Jung Kwon, Won Seok Park