Patents by Inventor Ju O. Song

Ju O. Song 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).

  • Imide-containing polysiloxanes and a process for preparing them
    Patent number: 5061774
    Abstract: A polysiloxane containing terminal imide groups and process for the preparation thereof by a Michael addition reaction comprising reacting a bismaleimide with a polysiloxane diamine. The imide group-containing polysiloxane has good compatibility with organic resins.
    Type: Grant
    Filed: November 20, 1989
    Date of Patent: October 29, 1991
    Assignee: Lucky, Ltd.
    Inventors: Jung O. Park, Myung J. Kim, Ju O. Song
  • Epoxy resin compositions for sealing semiconductor devices
    Patent number: 5041474
    Abstract: Disclosed are epoxy resin compositions comprising essentially (A) multi-functional epoxy resins, (B) imide-modified silicone compounds, (C) phenolic novolaks having more than 2 OH groups, and (D) inorganic fillers. When cured, these compositions have excellent processability and lower internal stress as compared to a similar composition without the imide-modified silicone compounds. These compositions are useful for sealing semiconductor devices or other molding applications.
    Type: Grant
    Filed: October 10, 1989
    Date of Patent: August 20, 1991
    Assignee: Lucky Ltd.
    Inventors: Myung J. Kim, Ju O. Song, Jung O. Park