Patents by Inventor Joel S. Echols

Joel S. Echols 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).

  • Three layer artificial tear formulation
    Patent number: 7758883
    Abstract: An artificial tear film over the surface of an eye having a first layer in direct contact with the ocular surface, an aqueous layer over the first layer, and a layer of a phospholipid over the aqueous layer. The first layer has polyvinyl alcohol, polyvinyl acetate, and polyvinyl pyrrolidone. The phospholipid is derived from Amisol® Clear. The artificial tear film is effective in significantly prolonging the tear break up time in patients with dry eye syndrome.
    Type: Grant
    Filed: October 17, 2003
    Date of Patent: July 20, 2010
    Assignee: Aqueous Pharma Limited
    Inventors: Joel S. Echols, Frank J. Holly, Wolfgang Widera
  • COLLYRIUM FOR DRY EYE
    Publication number: 20090270335
    Abstract: A composition for treating dry eye includes eledoisin formulated in an ester form and a phospholipid formulated in a micellar form.
    Type: Application
    Filed: September 18, 2007
    Publication date: October 29, 2009
    Applicant: AQUEOUS PHARMA LIMITED
    Inventors: Frank J. Holly, Joel S. Echols
  • Three layer artificial tear formulation
    Publication number: 20040142038
    Abstract: An artificial tear film over the surface of an eye having a first layer in direct contact with the ocular surface, an aqueous layer over the first layer, and a layer of a phospholipid over the aqueous layer. The first layer has polyvinyl alcohol, polyvinyl acetate, and polyvinyl pyrrolidone. The phospholipid is derived from Amisol® Clear. The artificial tear film is effective in significantly prolonging the tear break up time in patients with dry eye syndrome.
    Type: Application
    Filed: October 17, 2003
    Publication date: July 22, 2004
    Inventors: Joel S. Echols, Frank J. Holly, Wolfgang Widera