Patents by Inventor Barry F. Van Duzee

Barry F. Van Duzee 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).

  • Methods for treating dry eye
    Publication number: 20030109509
    Abstract: Methods of treating dry eye by administering fixed combinations of MUC-1 secretagogues, such as HETE derivatives, and anti-inflammatory steroids are disclosed.
    Type: Application
    Filed: September 26, 2002
    Publication date: June 12, 2003
    Applicant: Alcon, Inc.
    Inventors: Daniel A. Gamache, John M. Yanni, Barry F. Van Duzee
  • Stable liquid enzyme compositions and methods of use
    Patent number: 5576278
    Abstract: Compositions containing an ophthalmically acceptable enzyme of high purity and integrity in a liquid medium and methods involving the use of these compositions for cleaning a contact lens, and in combination with an antimicrobial agent for the simultaneous cleaning and disinfecting of contact lens are disclosed.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: November 19, 1996
    Assignee: Alcon Laboratories, Inc.
    Inventors: Barry F. Van Duzee, Ralph P. Stone
  • Process for making a lyophilized product for use in skeletal imaging
    Patent number: 4504463
    Abstract: A process for making a lyophilized composition, useful for skeletal imaging, containing diphosphonates, stannous reductant, and optionally, a gentisate stabilizer. The process comprises (1) preparing an aqueous solution of diphosphonate, reductant, and optional stabilizer, (2) adjusting the pH of the solution formed in step one to a pH in the range from about 4.2 to about 4.8, and (3) lyophilizing the pH-adjusted solution.
    Type: Grant
    Filed: June 10, 1982
    Date of Patent: March 12, 1985
    Assignee: Mallinckrodt, Inc.
    Inventor: Barry F. Van Duzee
  • Process for making a lyophilized product for use in skeletal imaging
    Patent number: 4504462
    Abstract: A process for making a lyophilized composition, useful for skeletal imaging containing diphosphonates, stannous reductant, and an ascorbate or reductate stabilizer. The process comprises (1) preparing an aqueous solution of diphosphonate, reductant, and stabilizer, (2) adjusting the pH of the solution formed in step one to a pH in the range from about 5.5 to about 6.5, and (3) lyophilizing the pH adjusted solution.
    Type: Grant
    Filed: June 10, 1982
    Date of Patent: March 12, 1985
    Assignee: Mallinckrodt, Inc.
    Inventors: Barry F. Van Duzee, Charles R. Degenhardt
  • Stable radiographic imaging agents
    Patent number: 4440738
    Abstract: Stable compositions, useful as technetium-99m-based imaging agents, comprise reductic acid or certain structurally-related compounds in combination with a pertechnetate reductant or dissolved in pertechnetate-99m solution. The compositions are especially useful, in combination with a phosphate or phosphonate bone-targeting carrier, for skeletal imaging.
    Type: Grant
    Filed: June 10, 1982
    Date of Patent: April 3, 1984
    Assignee: Mallinckrodt, Inc.
    Inventors: Mahdi B. Fawzi, James J. Benedict, Joseph E. Bugaj, Charles R. Degenhardt, Barry F. Van Duzee
  • Skin conditioning compositions containing guanidine inorganic salts
    Patent number: 4246285
    Abstract: A skin conditioning composition containing a guanidine inorganic salt. The compositions are in the form of lotions, creams, solutions, gels, and solids.
    Type: Grant
    Filed: October 20, 1975
    Date of Patent: January 20, 1981
    Assignee: The Procter & Gamble Company
    Inventor: Barry F. Van Duzee
  • Therapeutic treatment
    Patent number: 4137309
    Abstract: Organophosphonate compounds are used in the treatment of sickle cell anemia and other hemoglobinopathies, as well as attendant peripheral vascular diseases.
    Type: Grant
    Filed: October 14, 1976
    Date of Patent: January 30, 1979
    Assignee: The Procter & Gamble Company
    Inventor: Barry F. Van Duzee