Patents by Inventor Curt-Erik Hagberg

Curt-Erik Hagberg 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).

  • Derivatives of guanine for combating herpes virus infections
    Patent number: 4495190
    Abstract: Novel antiviral compounds of the formula ##STR1## wherein each of R.sub.1 and R.sub.2, which are the same or different is hydrogen, hydroxy or fluoro; provided that R.sub.1 or R.sub.2 is hydrogen when R.sub.1 and R.sub.2 are different, and provided that R.sub.1 and R.sub.2 are hydroxy or fluoro when R.sub.1 and R.sub.2 are the same; or a physiologically acceptable salt or an optical isomer thereof, methods for their preparation, pharmaceutical preparations containing the compounds, and methods for the treatment of virus infections and other diseases caused by viruses.
    Type: Grant
    Filed: October 25, 1982
    Date of Patent: January 22, 1985
    Assignee: Astra Lakemedel Aktiebolag
    Inventors: Curt-Erik Hagberg, Karl N. Johansson, Zsuzsanna M. I. Kovacs, Goran B. Stening