Patents by Inventor Per A. S. Tunek

Per A. S. Tunek 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).

  • Patent number: 5350767
    Abstract: A compound of the formula ##STR1## wherein R is --CH(CH.sub.3).sub.2 or --C(CH.sub.3).sub.3 or a physiologically acceptable salt or optical isomer thereof useful for the treatment of particularly different lung diseases.
    Type: Grant
    Filed: August 27, 1992
    Date of Patent: September 27, 1994
    Assignee: Aktiebolaget Draco
    Inventors: Anders R. Hallberg, Per A. S. Tunek
  • Patent number: 5350768
    Abstract: A compound of the formula ##STR1## wherein R is --CH(CH.sub.3).sub.2 or --C(CH.sub.3).sub.3 or a physiologically acceptable salt or optical isomer thereof useful for the treatment of particularly different lung diseases.
    Type: Grant
    Filed: February 26, 1993
    Date of Patent: September 27, 1994
    Assignee: Aktiebolaget Draco
    Inventors: Anders R. Hallberg, Per A. S. Tunek