Patents by Inventor Lars Ake Linden

Lars Ake Linden 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).

  • Treatment of tooth surfaces and substances therefor
    Patent number: 5997301
    Abstract: A tooth having a tooth surface with a plurality of tubules and microchannels defined therein is treated with a polymeric hydrogel formed by a polyphosphazene substance and a metal salt. The polyphosphazene substance may be combined with a pharmacologically active substance before the hydrogel is formed via a reaction with the metal salt so that the hydrogel functions as a vehicle for the pharmacologically active substance.
    Type: Grant
    Filed: March 1, 1999
    Date of Patent: December 7, 1999
    Inventor: Lars Ake Linden