Patents by Inventor James Lee Hyun

James Lee Hyun 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).

  • Substituted aminopyridine compounds as EGFR inhibitors
    Patent number: 11945798
    Abstract: Provided are aminopyridine compounds and pharmaceutically acceptable compositions thereof which exhibit inhibition activity against certain mutated forms of EGFR.
    Type: Grant
    Filed: August 26, 2022
    Date of Patent: April 2, 2024
    Assignees: YUHAN CORPORATION, JANSSEN BIOTECH, INC.
    Inventors: Hyunjoo Lee, Su Bin Choi, Young Ae Yoon, Kwan Hoon Hyun, Jae Young Sim, Marian C. Bryan, Scott Kuduk, James Campbell Robertson, Jaekyoo Lee, Paresh Devidas Salgaonkar, Byung-Chul Suh, Jong Sung Koh, So Young Hwang
  • Candle wax stabilized with red-shift benzotriazoles
    Patent number: 6296674
    Abstract: White, dyed, dipped, unscented and/or scented candle wax is effectively stabilized against discoloration and fading by the incorporation therein of a red-shifted benzotriazole either alone or in combination with a hindered amine and/or an antioxidant.
    Type: Grant
    Filed: February 1, 2000
    Date of Patent: October 2, 2001
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Kevin Trainor, Walid Al-Akhdar, James Lee Hyun, Ramanathan Ravichandran, Joseph Suhadolnik, Andrea Smith, Mervin Wood
  • Candle wax stabilized by a combination of UV absorber plus a selected hindered amine
    Patent number: 6221115
    Abstract: Candle wax containing a combination of a UV absorber, preferably a benzotriazole, in combination with a hindered amine which is substituted on the N-atom by an alkoxy, a cycloalkoxy or an hydroxy-substituted alkoxy moiety is surprising better stabilized than candle wax which contains a combination of a UV absorber and a conventional hindered amine where the N-atom is substituted by hydrogen or alkyl.
    Type: Grant
    Filed: February 1, 2000
    Date of Patent: April 24, 2001
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: James Lee Hyun, Walid Al-Akhdar, Kevin Trainor, Ramanathan Ravichandran, Mervin Wood, Andrea Smith