Patents by Inventor Olle Zetterström

Olle Zetterström 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: 6340455
    Abstract: Skin prick test for the determination of the predisposition of an individual to develop marginal periodontitis, said kit comprising: (a) a first reagent containing a known quantity of a surface structure common to anaerobic Gram negative pathogens which is capable of triggering the inflammatory response associated with periodontitis and gingivitis; (b) second reagent containing an agonist to said individual; (c) a negative control; and (d) instructions for the use of said kit; and a method for such determination of predisposition.
    Type: Grant
    Filed: June 23, 1999
    Date of Patent: January 22, 2002
    Assignee: Peridoc AB
    Inventors: Leif Blomlöf, Sven Lindskog, Olle Zetterström