Patents by Inventor Ji Jeon Seong

Ji Jeon Seong 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).

  • Thermosensitive and biocompatible amphiphilic poly(organophosphazenes) and preparation method thereof
    Publication number: 20060063910
    Abstract: The present invention relates to a thermosensitive and biocompatible poly(organophosphazenes) represented by Formula 1, and a preparation method thereof: wherein R is a methyl or ethyl group; R? is selected from the group consisting of COOR, CH2COOR, CH2CH2COOR, CH2CH(CH3)2, CH2C6H5, CH(CH3)CH2CH3 and CH3; R? is selected from the group consisting of CH2COOR, CH2CH2COOR, CH2CH(CH3)2, CH2C6H5, CH(CH3)CH2CH3 and CH3; R?? is a group selected from the group consisting of CH2COOR, CH2CH2COOR and H, wherein R is the same as defined above; n is a number between from 30 to 100; x is a number selected from the integers of 3, 4, 7, 12 and 16; y is a number between from 0.5 to 1.5; a equals to 1; and b and c equal to 0 or 1.
    Type: Application
    Filed: September 20, 2005
    Publication date: March 23, 2006
    Applicant: EWHA UNIVERSITY - INDUSTRY COLLABORATION FOUNDATION
    Inventors: Youn Soo Sohn, Ji Jeon Seong, Yong Jun, Joo Kim