Patents Examined by Midrad Rafa
  • Transdermal administration method of protein or peptide drug and its administration device thereof
    Patent number: 5250023
    Abstract: A transdermal administration method for protein or peptide drug that contacting and ionizing a protein or peptide drug immersed in hydrophilic polymer with ionizing solvent composition, and forming the drug pathway on epidermis by plural skin needles or treating the skin by a razor, and transferring the above ionized drug into the skin by electric force.
    Type: Grant
    Filed: October 29, 1990
    Date of Patent: October 5, 1993
    Assignee: Korean Research Institute on Chemical Technology
    Inventors: Hai Bang Lee, Bung Chul Shin