Patents by Inventor Gilbert Ott

Gilbert Ott 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: 5102461
    Abstract: In a method for the optical distinction of a dental material applied to a substrate from natural teeth, false teeth or parts thereof 0.00001 to 1% by wt. of a fluorescent substance having an absorption maximum in the wave length range of 360 to 480 nm and a fluorescence maximum in the wave length range of 480 to 600 nm is incorporated in the dental material, the dental material is applied to the substrate and irradiated with a light source emitting light of a wave length in the region of 360 to 480 nm and is then viewed through a light filter filtering out at least partially the light of a wave length in the region of 360 to 480 nm.
    Type: Grant
    Filed: November 30, 1990
    Date of Patent: April 7, 1992
    Assignee: Ivoclar AG
    Inventors: Volker Rheinberger, Ulrich Salz, Gilbert Ott
  • Patent number: 4629746
    Abstract: Apart from polymerizable organic binders, a radiopaque dental material contains a fluoride of the rare earth metals or mixtures of such fluorides, as well as optionally further inorganic compounds as fillers. The dental material is suitable as a one or two-component filling material for dental cement, as a crown and bridge material, as well as for producing dentures, inlays and implants and is characterized by a high radiopacity and at the same time a good transparency.
    Type: Grant
    Filed: June 21, 1985
    Date of Patent: December 16, 1986
    Assignee: Etablissement Dentaire Ivoclar
    Inventors: Rudolf J. Michl, Volker M. Rheinberger, Gilbert Ott