Patents Examined by Ronald W. Grifffin
  • Iontophoresis intermediary material and contact solution for the treatment of chronic pain syndromes
    Patent number: 4602909
    Abstract: A method of treating chronic pain is disclosed which comprises the step of topically administering to the skin of a human patient, 1 to 100 .mu.g/cm.sup.2 of body surface of a compound of the Formula (I) ##STR1## in which R is --CH.sub.3 or --CHOR.sup.1 is methoxy or amino;R.sup.2 is hydrogen, hydroxyl or acetoxy;R.sup.3 is hydrogen or ethyl;R.sup.4 and R.sup.5 together form a valency bond or an epoxy bridge, or R.sup.4 is hydroxy or ethyl; andR.sup.5 is hydrogen; or a pharmaceutically acceptable acid addition salt thereof, by iontophoresis.
    Type: Grant
    Filed: February 7, 1983
    Date of Patent: July 29, 1986
    Assignee: Richter Gedeon Vegyeszeti Gyar RT
    Inventors: Bertalan Csillik, Erzsebet Knyihar, Attila Szucs