Patents by Inventor Ki Chul Koo

Ki Chul Koo 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).

  • Liquid crystal compound and use thereof
    Patent number: 10954444
    Abstract: The present application relates to a novel liquid crystal compound and a use thereof. The novel liquid crystal compounds of the present application can exhibit a smectic A phase over a wide temperature range. The novel liquid crystal compounds of the present application can be usefully used in the technical fields to which smectic A liquid crystals can be applied, for example, bistable devices.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: March 23, 2021
    Inventors: Eun Jung Lim, Ki Chul Koo, Dong Hyun Oh
  • NOVEL LIQUID CRYSTAL COMPOUND AND USE THEREOF
    Publication number: 20190016956
    Abstract: The present application relates to a novel liquid crystal compound and a use thereof. The novel liquid crystal compounds of the present application can exhibit a smectic A phase over a wide temperature range. The novel liquid crystal compounds of the present application can be usefully used in the technical fields to which smectic A liquid crystals can be applied, for example, bistable devices.
    Type: Application
    Filed: May 23, 2017
    Publication date: January 17, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Eun Jung Lim, Ki Chul Koo, Dong Hyun Oh
  • Compounds effective as xanthine oxidase inhibitors, method for preparing the same, and pharmaceutical composition containing the same
    Patent number: 8729273
    Abstract: The present invention relates to novel compounds which are effective as an inhibitor for xanthine oxidase, a process for preparing the same, and a pharmaceutical composition comprising a therapeutically effective amount of the same.
    Type: Grant
    Filed: October 4, 2010
    Date of Patent: May 20, 2014
    Assignee: LG Life Sciences Ltd.
    Inventors: Jeong Uk Song, Geun Tae Kim, Sung Pil Choi, Cheol Kyu Jung, Deok Seong Park, Eun Sil Choi, Tae Hun Kim, Hyun Jung Park, Wan Su Park, Heui Sul Park, Ki Chul Koo, Vasily Artemov
  • NOVEL COMPOUNDS EFFECTIVE AS XANTHINE OXIDASE INHIBITORS, METHOD FOR PREPARING THE SAME, AND PHARMACEUTICAL COMPOSITION CONTAINING THE SAME
    Publication number: 20120184582
    Abstract: The present invention relates to novel compounds which are effective as an inhibitor for xanthine oxidase, a process for preparing the same, and a pharmaceutical composition comprising a therapeutically effective amount of the same.
    Type: Application
    Filed: October 4, 2010
    Publication date: July 19, 2012
    Inventors: Jeong Uk Song, Geun Tae Kim, Sung Pil Choi, Cheol Kyu Jung, Deok Seong Park, Eun Sil Choi, Tae Hun Kim, Hyun Jung Park, Wan Su Park, Heui Sul Park, Ki Chul Koo, Vasily Artemov