Patents by Inventor Hee-Sul Lee

Hee-Sul Lee 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).

  • Patent number: 7799830
    Abstract: The present invention relates to cinnamic acid dimers, their preparation and the use thereof for treating neurodegenerative disease, which have excellent effect on enhancing the learning and memory-retention ability in vivo and have fewer side-effects by showing no hormone properties, even when administered for a long period of time, and thus which can be used for neurodegenerative disease including dementia.
    Type: Grant
    Filed: June 25, 2002
    Date of Patent: September 21, 2010
    Assignees: Korea Institute of Science and Technology, Scigenic Co., Ltd.
    Inventors: Dong-Jin Kim, Kye-Jung Shin, Jaehoon Yu, Hee-Sul Lee
  • Publication number: 20050203180
    Abstract: The present invention relates to cinnamic acid dimers, their preparation and the use thereof for treating neurodegenerative disease, which have excellent effect on enhancing the learning and memory-retention ability in vivo and have fewer side-effects by showing no hormone properties, even when administered for a long period of time, and thus which can be used for neurodegenerative disease including dementia.
    Type: Application
    Filed: June 25, 2002
    Publication date: September 15, 2005
    Applicant: Korea Institute Of Science And Technology
    Inventors: Dong-Jin Kim, Kye-Jung Shin, Jaehoon Yu, Hee-Sul Lee
  • Patent number: 5646091
    Abstract: The present invention relates to an extract from Rehmannia glutinosa plant having a safener activity to a herbicide paraquat, a safener composition and a method for using the same. When the extract or the safener composition of the present invention is treated before treatment of the herbicide or with the herbicide simultaneously, phytotoxicity to the target crops can be reduced or prevented and the crops can be protected.
    Type: Grant
    Filed: June 19, 1995
    Date of Patent: July 8, 1997
    Inventor: Hee Sul Lee