Patents by Inventor Henry P. Dabrowski

Henry P. Dabrowski 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).

  • Opthalmic solution for artificial tears
    Patent number: 5895645
    Abstract: An ophthalmic artificial tear solution is described for treating irritation and dryness of the eyes with a formulation that includes polyvinylpyrrolidone, a preservative such as benzalkonium chloride, glycerin and hydroxypropyl methylcellulose, wherein the composition is an aqueous solution having isotonic properties with respect to the eye. The ophthalmic solution of the invention is characterized as having a low viscosity, preferably less than 5 cps, and a low surface tension, preferably less than 40 dynes/cm, wherein wettability, retainability and comfort of the user are enhanced.
    Type: Grant
    Filed: August 14, 1996
    Date of Patent: April 20, 1999
    Assignee: Bausch & Lomb Incorporated
    Inventors: Henry P. Dabrowski, Anil Salpekar, O. William Lever, Jr.
  • Ophthalmic solution for artificial tears
    Patent number: 5591426
    Abstract: An ophthalmic artificial tear solution is described for treating irritation and dryness of the eyes with a formulation that includes polyvinylpyrrolidone, a preservative such as benzalkonium chloride, glycerin and hydroxypropyl methylcellulose, wherein the composition is an aqueous solution having isotonic properties with respect to the eye. The ophthalmic solution of the invention is characterized as having a low viscosity, preferably less than 5 cps, and a low surface tension, preferably less than 40 dynes/cm, wherein wettability, retainability and comfort of the user are enhanced.
    Type: Grant
    Filed: January 31, 1995
    Date of Patent: January 7, 1997
    Assignee: Bausch & Lomb Incorporated
    Inventors: Henry P. Dabrowski, Anil Salpekar, O. William Lever, Jr.