Patents by Inventor Jan E. Ellingsen

Jan E. Ellingsen 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).

  • Process for treating a metallic surgical implant
    Patent number: 5571188
    Abstract: Metallic surgical implant materials having improved strength of connection with bone are produced when the implants are treated prior to implantation with an aqueous solution of sodium fluoride.
    Type: Grant
    Filed: May 30, 1995
    Date of Patent: November 5, 1996
    Assignee: Astra Aktiebolag
    Inventors: Jan E. Ellingsen, Gunnar Rolla
  • Dentifrice inhibiting dental plaque
    Patent number: 5422098
    Abstract: Dentifrice comprising a liquid silicone oil and a fat-soluble antibacterial agent dissolved therein either directly or indirectly after dissolution of the antibacterial agent in an organic solvent. The dentifrice is useful for protection of teeth against plaque formation due to a slow release of the antibacterial agent into the saliva.
    Type: Grant
    Filed: September 28, 1992
    Date of Patent: June 6, 1995
    Inventors: Gunnar Rolla, Jan E. Ellingsen