Patents by Inventor Wan Jin Cho

Wan Jin Cho 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).

  • Catalyst for hydrogenation of aromatic compound and preparation method therefor
    Patent number: 11925920
    Abstract: The present invention relates to a catalyst for hydrogenation of an aromatic compound, which is capable of greatly reducing the inactivation of a catalyst by using a support including a magnesium-based spinel structure, and a preparation method therefor.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: March 12, 2024
    Assignee: HANWHA CHEMICAL CORPORATION
    Inventors: Eung Gyu Kim, Won Yong Kim, Jeong Hwan Chun, Young Jin Cho, Joung Woo Han, Hyo Suk Kim, Wan Jae Myeong, Ki Taeg Jung
  • Implantation material comprising biocompatible polymer
    Patent number: 8822551
    Abstract: Disclosed herein is a hyaluronic acid epoxide derivative film comprises a polymer containing a hydroxyl (—OH) terminal group. The film is prepared by allowing an epoxy crosslinker to react with a mixture of hyaluronic acid and a polymer containing a hydroxyl (—OH) terminal group and has improved physical strength, in vivo stability, flexibility, adhesiveness to biological tissue, and biocompatibility.
    Type: Grant
    Filed: March 22, 2013
    Date of Patent: September 2, 2014
    Assignee: Genewel Co., Ltd.
    Inventors: Young Woo Lee, Wan Jin Cho, Ji Yeon Jang
  • Implantation Material Comprising Biocompatible Polymer
    Publication number: 20130253074
    Abstract: Disclosed herein is a hyaluronic acid epoxide derivative film comprises a polymer containing a hydroxyl (—OH) terminal group. The film is prepared by allowing an epoxy crosslinker to react with a mixture of hyaluronic acid and a polymer containing a hydroxyl (—OH) terminal group and has improved physical strength, in vivo stability, flexibility, adhesiveness to biological tissue, and biocompatibility.
    Type: Application
    Filed: March 22, 2013
    Publication date: September 26, 2013
    Applicant: GENEWEL CO., LTD
    Inventors: Young Woo Lee, Wan Jin Cho, Ji Yeon Jang