Patents by Inventor Ruth A. Rosenthal

Ruth A. Rosenthal 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).

  • Stable liquid enzyme compositions and methods of use in contact lens cleaning and disinfecting systems
    Patent number: 5948738
    Abstract: Stable liquid enzyme compositions containing an ophthalmically acceptable enzyme and methods involving the combined use of these compositions with a polymeric antimicrobial agent are disclosed for the simultaneous cleaning and disinfecting of contact lens. Methods for a daily use regimen are also disclosed.
    Type: Grant
    Filed: October 6, 1998
    Date of Patent: September 7, 1999
    Assignee: Alcon Laboratories, Inc.
    Inventors: Masood A. Chowhan, Ronald P. Quintana, Bahram Asgharian, Bor-Shyue Hong, Thierry Bilbault, Ruth A. Rosenthal
  • Stable liquid enzyme compositions and methods of use in contact lens cleaning and disinfecting systems
    Patent number: 5939369
    Abstract: Stable liquid enzyme compositions containing an ophthalmically acceptable enzyme and methods involving the combined use of these compositions with a polymeric antimicrobial agent are disclosed for the simultaneous cleaning and disinfecting of contact lens. Methods for a daily use regimen are also disclosed.
    Type: Grant
    Filed: August 2, 1996
    Date of Patent: August 17, 1999
    Assignee: Alcon Laboratories, Inc.
    Inventors: Masood A. Chowhan, Ronald P. Quintana, Bahram Asgharian, Bor-Shyue Hong, Thierry Bilbault, Ruth A. Rosenthal
  • Stable liquid enzyme compositions and methods of use in contact lens cleaning and disinfecting systems
    Patent number: 5604190
    Abstract: Compositions containing a stable, liquid, ophthalmically acceptable enzyme and methods involving the combined use of these compositions with a polymeric antimicrobial agent, and complexing agent are disclosed for the simultaneous cleaning and disinfecting of contact lens. Methods for a daily use regimen are also disclosed.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: February 18, 1997
    Assignee: Alcon Laboratories, Inc.
    Inventors: Masood A. Chowhan, Ronald P. Quintana, Bahram Asgharian, Bor-Shyue Hong, Thierry Bilbault, Ruth A. Rosenthal