Patents by Inventor Kyu-Chan Kwon

Kyu-Chan Kwon 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).

  • Stable, aqueous solution of human erythropoietin, not containing serum albumin
    Patent number: 8119595
    Abstract: The present invention provides an aqueous formulation of human erythropoietin having the storage stability over a long period without serum albumin, in which the formulation comprises a pharmaceutically effective amount of human erythropoietin; non-ionic surfactant, polyhydric alcohol, neutral amino acid and sugar alcohol as stabilizers; isotonic reagent; and buffering reagent.
    Type: Grant
    Filed: June 7, 2004
    Date of Patent: February 21, 2012
    Assignee: LG Life Sciences, Ltd.
    Inventors: Kyu Chan Kwon, Suk Young Choi, Young Cheol Kang, Hoon Sung Jeh, Seung Joo Lee, Myung Jin Kim, Ji Eon Kim, Jin-Seok Oh
  • Lipophilic-coated microparticle containing a protein drug and formulation comprising same
    Patent number: 7785625
    Abstract: A solid lipophilic microparticle having an average particle size ranging from 0.1 to 200 ?m, comprising a lipophilic substance, hyaluronic acid or an inorganic salt thereof and an active ingredient selected from the group consisting of a protein or peptide drug, retains the full activity of the active ingredient, and when formulated in the form of an oil dispersion or oil-in-water emulsion, it releases in an in vivo environment the active ingredient in a controlled manner over a long period.
    Type: Grant
    Filed: December 28, 2004
    Date of Patent: August 31, 2010
    Assignee: LG Life Sciences, Limited
    Inventors: Myung-Jin Kim, Sun-Jin Kim, Kyu-Chan Kwon, Joon Kim
  • Lipophilic-coated microparticle containing a protein drug and formulation comprising same
    Publication number: 20050158392
    Abstract: A solid lipophilic microparticle having an average particle size ranging from 0.1 to 200 ?m, comprising a lipophilic substance, hyaluronic acid or an inorganic salt thereof and an active ingredient selected from the group consisting of a protein or peptide drug, retains the full activity of the active ingredient, and when formulated in the form of an oil dispersion or oil-in-water emulsion, it releases in an in vivo environment the active ingredient in a controlled manner over a long period.
    Type: Application
    Filed: December 28, 2004
    Publication date: July 21, 2005
    Inventors: Myung-Jin Kim, Sun-Jin Kim, Kyu-Chan Kwon, Joon Kim
  • Lipophilic-coated microparticle containing a protein drug and formulation comprising same
    Publication number: 20030064105
    Abstract: A solid lipophilic microparticle having an average particle size ranging from 0.1 to 200 &mgr;m, comprising a lipophilic substance, hyaluronic acid or an inorganic salt thereof and an active ingredient selected from the group consisting of a protein or peptide drug, retains the full activity of the active ingredient, and when formulated in the form of an oil dispersion or oil-in-water emulsion, it releases in an in vivo environment the active ingredient in a controlled manner over a long period.
    Type: Application
    Filed: June 3, 2002
    Publication date: April 3, 2003
    Inventors: Myung-Jin Kim, Sun-Jin Kim, Kyu-Chan Kwon, Joon Kim