Patents by Inventor Gunnar Rölla

Gunnar Rölla 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).

  • Composition, comprising hydrofluoric acid, for inhibiting dental erosion
    Patent number: 9808406
    Abstract: The present invention relates to a composition, for inhibiting dental erosion, and the use thereof. The composition comprises an aqueous solution of hydrofluoric acid, in which the concentration of hydrofluoric acid is 0.05%-2.00% and the pH is between 2.5 and 4.5.
    Type: Grant
    Filed: May 18, 2005
    Date of Patent: November 7, 2017
    Assignee: Zpearpoint AS
    Inventors: Gunnar Rølla, Per Stanley Thrane
  • Metallic implant and process for treating a metallic implant
    Patent number: 8465790
    Abstract: A process for treating a metallic implant consisting essentially of treating the metallic implant with a solution of hydrofluoric acid, which solution has a pH between 1.6 and 3.0.
    Type: Grant
    Filed: August 17, 2007
    Date of Patent: June 18, 2013
    Assignee: AstraZeneca AB
    Inventors: Jan Eirik Ellingsen, Gunnar Rölla
  • Metallic implant and process for treating a metallic implant
    Patent number: 7048870
    Abstract: A process for treating a metallic implant consisting essentially of treating the metallic implant with a solution of hydrofluoric acid, which solution has a pH between 1.6 and 3.0.
    Type: Grant
    Filed: June 23, 2000
    Date of Patent: May 23, 2006
    Assignee: AstraZeneca AB
    Inventors: Jan Eirik Ellingsen, Gunnar Rölla