Patents by Inventor Anam Choi

Anam 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).

  • Fluorene oxime ester compound, photopolymerization initiator and photoresist composition containing the same
    Patent number: 9316906
    Abstract: Provided are a novel fluorene oxime ester compound, and a photopolymerization initiator and a photoresist composition containing the same.
    Type: Grant
    Filed: May 3, 2013
    Date of Patent: April 19, 2016
    Assignees: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY, SAMYANG CORPORATION
    Inventors: Seung Rim Shin, Kun Jun, Jong Il Shin, Soo Youl Park, Kyoung Lyong An, Sang Oh Lee, Bong Seok Moon, Chunrim Oh, Anam Choi, In-Young So
  • NOVEL FLUORENE OXIME ESTER COMPOUND, PHOTOPOLYMERIZATION INITIATOR AND PHOTORESIST COMPOSITION CONTAINING THE SAME
    Publication number: 20150111152
    Abstract: Provided are a novel fluorene oxime ester compound, and a photopolymerization initiator and a photoresist composition containing the same.
    Type: Application
    Filed: May 3, 2013
    Publication date: April 23, 2015
    Applicant: Korea Research Institute of Chemical Technology
    Inventors: Seung Rim Shin, Kun Jun, Jong Il Shin, Soo Youl Park, Kyoung Lyong An, Sang Oh Lee, Bong Seok Moon, Chunrim Oh, Anam Choi, In-Young So