Patents Represented by Attorney Annette M. Sansone

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  • Alpha, beta-unsaturated carbonyl modified amino acid monomer and polymers for biomedical uses
    Patent number: 4663409
    Abstract: Inclusion of carbonyl modified amino acid monomers in polymeric compositions for biomedical applications, including contact lenses, increases the water content and oxygen permeability of the polymer without significant changes in other desirable properties of the polymer.
    Type: Grant
    Filed: December 24, 1984
    Date of Patent: May 5, 1987
    Assignee: Bausch & Lomb Incorporated
    Inventors: Gary D. Friends, Richard C. Chromecek, Raymond A. Yourd, III
  • Method for enzymatic cleaning and disinfecting contact lenses
    Patent number: 4614549
    Abstract: Contact lenses are both cleaned and disinfected in aqueous solutions of proteolytic enzyme in a single-step by heating to a temperature of between 60.degree. and 100.degree. C. The cleaning and disinfecting process which may be conducted in one hour or less performs favorably against conventional methods wherein cleaning and disinfecting are conducted separately over a time period of up to twelve hours.
    Type: Grant
    Filed: January 9, 1985
    Date of Patent: September 30, 1986
    Assignee: Bausch & Lomb Incorporated
    Inventors: Lai Ogunbiyi, Thomas M. Riedhammer, Francis X. Smith