Patents by Inventor Annica B. Dahlstrom

Annica B. Dahlstrom 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).

  • Microcapsules for administration of neuroactive agents
    Patent number: 6517859
    Abstract: The present invention relates to polymeric microspheres as injectable, drug-delivery vehicles for use to deliver bioactive agents to sites within the central nervous system, and for the stimulation of nerve fiber growth by implanting such microspheres within the central nervous system of a patient. Microspheres of less than 45 &mgr;m, preferably less than about 20 &mgr;m, and preferably about 0.1 &mgr;m to about 10 &mgr;m in mean diameter according to the present invention are also selectively taken-up and into astrocytes when delivered directly into the nervous tissues.
    Type: Grant
    Filed: June 29, 1994
    Date of Patent: February 11, 2003
    Assignee: Southern Research Institute
    Inventors: Thomas R. Tice, Deborah L. Dillon, David W. Mason, Amanda McRae-McFarlane, Annica B. Dahlstrom
  • Method for stimulating nerve fiber growth
    Patent number: 5360610
    Abstract: The present invention relates to polymeric microspheres as injectable, drug-delivery systems for use to deliver bioactive agents to sites within the central nervous system, and for the stimulation of nerve fiber growth by implanting such microspheres within the central nervous system of a patient.
    Type: Grant
    Filed: March 15, 1993
    Date of Patent: November 1, 1994
    Assignee: Southern Research Institute
    Inventors: Thomas R. Tice, Deborah L. Dillon, David W. Mason, Amanda McRae-McFarlane, Annica B. Dahlstrom
  • Method for the treatment of ulcerative proctitis and colitis
    Patent number: 5331013
    Abstract: A method for treatment of ulcerative colitis (and sequelae to surgically treated colitis, for instance ileal pouchiris) and ulcerative proctitis comprising administration to a patient suffering therefrom of a therapeutically effective amount of a local anaesthetic or a pharmaceutically acceptable salt thereof, preferably lidocaine hydrochloride in the form of a pharmaceutically acceptable preparation.
    Type: Grant
    Filed: April 1, 1992
    Date of Patent: July 19, 1994
    Assignee: Aktiebolaget Astra
    Inventors: B. Hakan J. Ahlman, Stellan Bjorck, Annica B. Dahlstrom