Patents by Inventor Won Chae Kim

Won Chae Kim 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).

  • Nonionic vitamin E derivatives and a method for the preparation thereof, and polymeric ampliphilic vesicles made therefrom
    Patent number: 5869703
    Abstract: Disclosed herein are nonionic vitamin E or polyethoxylated vitamin E derivatives represented by the following formula (I) and a method for the preparation thereof, and polymeric amphiphilic vesicles made therefrom. ##STR1## wherein, n is an integer from 0 to 30, inclusive;A is --CH.sub.2 --CH(CH.sub.3)-- or --CH.dbd.C(CH.sub.3)--;B is --CH.sub.3 at the 5-, 7- or 8- position;m is 1, 2, or 3; andR is residue of acrylate or methacrylate derivatives represented by the following formula (II); ##STR2## wherein, R.sub.1 is H or CH.sub.3.
    Type: Grant
    Filed: October 28, 1997
    Date of Patent: February 9, 1999
    Assignee: Pacific Corporation
    Inventors: Young Dae Kim, Jung No Lee, Won Chae Kim, Young Hyun Kim, Min Ki Kim, Myoung Su Ku, Iw Han Cho