Patents by Inventor Albrecht Hoburg

Albrecht Hoburg 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: 5437858
    Abstract: The present application is directed to oral hygiene agents, a process for their preparation, and the use of a hydrogen peroxide solution stabilized by a silver colloid in concentrations of from 0.1 to 10% by weight, preferably from 1 to 3% by weight, in oral hygiene agents.
    Type: Grant
    Filed: March 11, 1994
    Date of Patent: August 1, 1995
    Assignee: Ulrike Hungerbach
    Inventors: Heinz Hungerbach, Werner Struzina, Albrecht Hoburg