Patents by Inventor Erzsebet Knyihar

Erzsebet Knyihar 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).

  • 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