Patents by Inventor Lona Christrup

Lona Christrup 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).

  • Topical compositions for transdermal delivery of prodrug derivatives of morphine
    Patent number: 5908846
    Abstract: Topical composition for transdermal delivery of morphine. The composition contains certain morphine esters in association with a carrier. The compositions relieved pain or tranquilize a mammal when delivered transdermally.
    Type: Grant
    Filed: August 17, 1993
    Date of Patent: June 1, 1999
    Assignee: Pharmacia & Upjohn AB
    Inventors: Hans Bundgaard, deceased, Lona Christrup, Jorn Drustrup, Ann Fullerton, Martin Nicklasson