Patents by Inventor Spiro P. Loucas

Spiro P. Loucas 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).

  • Drug delivery ophthalmic insert and method for preparing same
    Patent number: 5556633
    Abstract: A drug delivery ophthalmic insert prepared by forming a water soluble solid polymer into a paste by the addition of a small fixed amount of water, drying the paste and then sectioning the paste into a plurality of rod shaped inserts is provided. The insert is rendered suitable for prolonged and sustained delivery of medication to the eye since it is formed by the addition of a small amount of water and has a surface area less than about 3 mm.sup.2. Specific water soluble solid polymers which may be used include methylcellulose, hydroxyethyl cellulose, alginic acid and combinations thereof as well as mixtures of pilocarpine dispersed in methylcellulose and its combinations.
    Type: Grant
    Filed: April 28, 1993
    Date of Patent: September 17, 1996
    Inventors: Heskel M. Haddad, Spiro P. Loucas
  • Drug delivery ophthalmic insert and method of preparing same
    Patent number: 5229128
    Abstract: A drug delivery ophthalmic insert prepared by forming a water soluble solid polymer into a paste by the addition of a small fixed amount of water, drying the paste and then sectioning the paste into a plurality of rod shaped inserts is provided. The insert is rendered suitable for prolonged and sustained delivery of medication to the eye since it is formed by the addition of a small amount of water and has a surface area less than about 3 mm.sup.2. Specific water soluble solid polymers which may be used include methylcellulose, hydroxyethyl cellulose, alginic acid and combinations thereof as well as mixtures of pilocarpine dispersed in methylcellulose and its combinations.
    Type: Grant
    Filed: October 1, 1991
    Date of Patent: July 20, 1993
    Inventors: Heskel M. Haddad, Spiro P. Loucas