Patents by Inventor Joseph G. Vehige

Joseph G. Vehige 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).

  • Compositions and methods for enhancing contact lens wearability
    Patent number: 5858346
    Abstract: Compositions and methods for treating a contact lens very effectively and conveniently provide enhanced contact lens wearability by reducing the actual or perceived ocular sensitivity which results from exposing a contact lens to non-oxidative antimicrobial components. The present system takes advantage of inactivating or deactivating a non-oxidative antimicrobial component located on or in a contact lens to reduce the ocular sensitivity caused by placing the lens in the eye.
    Type: Grant
    Filed: May 9, 1997
    Date of Patent: January 12, 1999
    Assignee: Allergan
    Inventors: Joseph G. Vehige, James P. Currie
  • Compositions and methods for inhibiting and reducing lysozyme deposition on hydrophilic contact lenses using biocompatible colored compounds
    Patent number: 5451237
    Abstract: Disclosed are compositions and methods for inhibiting the uptake of proteins and reducing the formation of lysozyme deposits on the outer surface and inner bulk matrix of hydrophilic contact lenses. The method comprises contacting a contact lens with a positively charged chemical which imparts a tint to the lens.
    Type: Grant
    Filed: November 10, 1993
    Date of Patent: September 19, 1995
    Inventor: Joseph G. Vehige