Patents Represented by Attorney Michael Rein

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  • Use of bis-amines to enhance the antimicrobial activity of aqueous compositions
    Patent number: 7445771
    Abstract: The use of bis-amines to enhance the antimicrobial activity of pharmaceutical compositions is described. The bis-amines are particularly useful for enhancing the antimicrobial activity of aqueous ophthalmic compositions, such as artificial tears or ocular lubricants, and solutions for disinfecting contact lenses.
    Type: Grant
    Filed: December 9, 2004
    Date of Patent: November 4, 2008
    Assignee: Alcon, Inc.
    Inventors: Nissanke L. Dassanayake, Thomas Christopher Carey, Ronald L. Schlitzer, David L. Meadows