Patents by Inventor Michelle P. Wong

Michelle P. Wong 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).

  • Ophthalmic compositions and methods for preserving and using same
    Patent number: 5277901
    Abstract: Ophthalmic compositions, such as those used to care for contact lenses, methods of preserving such compositions, and methods for disinfecting contact lenses using certain of such compositions are disclosed. The compositions may comprise an ophthalmically acceptable, liquid aqueous medium and, included therein, an effective preserving or disinfecting amount of a combination of certain oxygen-containing ionene polymers and other antimicrobial agents, preferably certain urea components.
    Type: Grant
    Filed: July 13, 1992
    Date of Patent: January 11, 1994
    Assignee: Allergan, Inc.
    Inventors: Joseph E. Vigh, Priscilla Lo, Anthony J. Dziabo, Michelle P. Wong
  • Ophthalmic compositions and methods for preserving and using same
    Patent number: 5171526
    Abstract: Ophthalmic compositions, such as those used to care for contact lenses, methods of preserving such compositions, and methods for disinfecting contact lenses using such compositions are disclosed. The compositions may comprise an ophthalmically acceptable, liquid aqueous medium and, included therein, an effective preserving or disinfecting amount of an ophthalmically acceptable quaternary ammonium substituted matrix material, the matrix material being selected from the group consisting of proteinaceous materials, carbohydrate materials and mixtures thereof.
    Type: Grant
    Filed: January 5, 1990
    Date of Patent: December 15, 1992
    Assignee: Allergan, Inc.
    Inventors: Michelle P. Wong, Anthony Dziabo
  • Nonoxidative ophthalmic compositions and methods for preserving and using same
    Patent number: 5145643
    Abstract: Ophthalmic compositions, such as those used to care for contact lenses, methods of preserving such compositions, and methods for disinfecting contact lenses using such compositions are disclosed. The compositions may comprise an ophthalmically acceptable, liquid aqueous medium and, included therein, an effective preserving or disinfecting amount of certain oxygen-containing ionene polymers.
    Type: Grant
    Filed: January 5, 1990
    Date of Patent: September 8, 1992
    Assignee: Allergan, Inc.
    Inventors: Anthony J. Dziabo, Michelle P. Wong, Peter Gyulai