Patents by Inventor Edward James Ellis

Edward James Ellis 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).

  • Ophthalmic composition including a cationic glycoside and an anionic therapeutic agent
    Patent number: 6277365
    Abstract: There are disclosed compositions and methods for treating the surface of the eye, or contact tenses to be placed on the eye, with an aqueous composition comprising a quaternary nitrogen-containing ethoxylated glycoside and a therapeutic agent. The subject invention is particularly suited for use with silicone-containing contact lenses. Examples of specific compositions include aqueous solutions of lauryl methyl gluceth-10 hydroxypropyl-dimonium chloride in combination with anionic polysaccharides such as hyaluronic acid.
    Type: Grant
    Filed: September 18, 1997
    Date of Patent: August 21, 2001
    Assignee: Bausch & Lomb Incorporated
    Inventors: Edward James Ellis, Jeanne Yang Ellis
  • Use of water soluble enzyme-polymer conjugates for cleaning contact lenses
    Patent number: 6008037
    Abstract: There are disclosed compositions and methods for cleaning contact lenses using water soluble enzyme-polymer conjugates. A preferred method includes providing the subject enzyme-polymer conjugates in a tablet form, dissolving the tablet in an aqueous solution and subsequently soaking a contact lens in the resulting solution. Other methods include providing the enzyme-polymer conjugate in a liquid form and contacting a contact lens therewith.
    Type: Grant
    Filed: November 4, 1997
    Date of Patent: December 28, 1999
    Assignee: Polymer Technology Corporation
    Inventors: Edward James Ellis, Edwin Georg Emil Jahngen, Arthur John Meuse