Patents by Inventor Eric J. Leibenguth

Eric J. Leibenguth 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: 6346560
    Abstract: The invention provides a method for selecting contact lenses to reduce corneal staining. The method selects contact lens materials based upon the ratio of the water diffusion coefficient to the ion diffusion coefficient.
    Type: Grant
    Filed: May 10, 2000
    Date of Patent: February 12, 2002
    Assignee: Bausch & Lomb Incorporated
    Inventors: Mahendra P. Nandu, Eric J. Leibenguth
  • Patent number: 6298713
    Abstract: A method is provided for determining the water diffusion coefficient of a biocompatible material. The method measures water diffusion through the biocompatible material by detecting the presence of hydrogen ions in D2O by NMR analysis.
    Type: Grant
    Filed: May 10, 2000
    Date of Patent: October 9, 2001
    Assignee: Bausch & Lomb Incorporated
    Inventors: Mahendra P. Nandu, Eric J. Leibenguth