Patents by Inventor John Elgin Kerr

John Elgin Kerr 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).

  • Oral itraconazole formulations and methods of making the same
    Publication number: 20040115266
    Abstract: A method of manufacturing an itraconazole oral dosage from that is substantially free of residual methylene chloride comprises the steps of: (a) providing a working solution comprising an alcohol, a strong acid (preferably an inorganic acid or organic sulphonic acid), itraconazole, a water-soluble polymer, and water, with the itraconazole and the strong acid preferably present in the working solution in a ratio of 1 Mole itraconazole to 1-3 Moles acid; (b) providing particles formed from a pharmaceutically acceptable core material; (c) combining the working solution with the particles to produce itraconazole-coated particles; (d) drying the itraconazole-coated particles; and(e) forming the dried itraconazole-coated particles into an itraconazole oral dosage form that is substantially free of residual methylene chloride. The products of such methods and methods of use thereof are also disclosed.
    Type: Application
    Filed: February 5, 2004
    Publication date: June 17, 2004
    Inventors: Ranga Raju Namburi, John Elgin Kerr
  • Oral itraconazole formulations and methods of making the same
    Patent number: 6663897
    Abstract: A method of manufacturing an itraconazole oral dosage form that is substantially free of residual methylene chloride comprises the steps of: (a) providing a working solution comprising an alcohol, a strong acid (preferably an inorganic acid or organic sulphonic acid), itraconazole, a water-soluble polymer, and water, with the itraconazole and the strong acid preferably present in the working solution in a ratio of 1 Mole itraconazole to 1-3 Moles acid; (b) providing particles formed from a pharmaceutically acceptable core material; (c) combining the working solution with the particles to produce itraconazole-coated particles; (d) drying the itraconazole-coated particles; and (e) forming the dried itraconazole-coated particles into an itraconazole oral dosage form that is substantially free of residual methylene chloride. The products of such methods and methods of use thereof are also disclosed.
    Type: Grant
    Filed: August 20, 2001
    Date of Patent: December 16, 2003
    Assignee: DSM IP Assets B.V.
    Inventors: Ranga Raju Namburi, John Elgin Kerr
  • Oral itraconazole formulations and methods of making the same
    Publication number: 20020150620
    Abstract: A method of manufacturing an itraconazole oral dosage form that is substantially free of residual methylene chloride comprises the steps of: (a) providing a working solution comprising an alcohol, a strong acid (preferably an inorganic acid or organic sulphonic acid), itraconazole, a water-soluble polymer, and water, with the itraconazole and the strong acid preferably present in the working solution in a ratio of 1 Mole itraconazole to 1 - 3 Moles acid; (b) providing particles formed from a pharmaceutically acceptable core material; (c) combining the working solution with the particles to produce itraconazole-coated particles; (d) drying the itraconazole- coated particles; and (e) forming the dried itraconazole-coated particles into an itraconazole oral dosage form that is substantially free of residual methylene chloride. The products of such methods and methods of use thereof are also disclosed.
    Type: Application
    Filed: August 20, 2001
    Publication date: October 17, 2002
    Inventors: Ranga Raju Namburi, John Elgin Kerr