Patents by Inventor Lisbeth Rydhag

Lisbeth Rydhag 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).

  • Pharmaceutical preparation for pain management
    Patent number: 5912271
    Abstract: A new pharmaceutical preparation comprising one or more local anaesthetic agents, a polar lipid, a triacylglycerol and optionally water. The new pharmaceutical preparation is excellent for topical treatment of pain.
    Type: Grant
    Filed: September 18, 1995
    Date of Patent: June 15, 1999
    Assignee: Astra AB
    Inventors: Arne Brodin, Anders Carlsson, Bengt Herslof, Martin Nicklasson, Lisbeth Rydhag