Patents by Inventor Anders R. Hallberg

Anders R. Hallberg 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: 5441976
    Abstract: A pharmaceutical preparation and method for the treatment of diseases due to defects in the immune system using cystine derivatives.
    Type: Grant
    Filed: December 4, 1992
    Date of Patent: August 15, 1995
    Assignee: Aktiebolaget Astra
    Inventors: Carl-Magnus A. Andersson, Hakan S. A. Bergstrand, Anders R. Hallberg, Bengt O. Sarnstrand, Anders P. 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
  • 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: 5306830
    Abstract: The present invention is directed to novel chromane derivatives substituted in the 3-position by a substituted amino moiety and substituted on the aromatic ring with one or two substituents. The novel chromane derivatives have useful CNS properties.
    Type: Grant
    Filed: December 21, 1992
    Date of Patent: April 26, 1994
    Assignee: The Upjohn Company
    Inventors: Bengt R. Andersson, Per A. E. Carlsson, Kjell A. I. Svensson, Hakan V. Wikstrom, Anders R. Hallberg