Patents by Inventor Dwight D. Hanshew

Dwight D. Hanshew 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).

  • Patent number: 7195779
    Abstract: This invention provides a storage-stable dosage form of a thyroxine active drug composition which exhibits an improved stability. The formulation contains a thyroxine active drug substance, an alditol, and a saccharide, and, optionally, additional pharmaceutically accepted excipients. Levothyroxine sodium is the preferred active drug substance, mannitol is the preferred alditol, and sucrose is the9 preferred saccharide. Additional preferred excipients include, for example, microcrystalline cellulose, crospovidone, magnesium stearate, colloidal silicon dioxide, and sodium lauryl sulfate.
    Type: Grant
    Filed: June 3, 2005
    Date of Patent: March 27, 2007
    Assignee: Mylan Pharmaceuticals Inc.
    Inventors: Dwight D. Hanshew, Jr., David John Wargo
  • Patent number: 7052717
    Abstract: This invention provides a storage-stable dosage form of a thyroxine active drug composition which exhibits an improved stability. The formulation contains a thyroxine active drug substance and an antioxidant, and, optionally, additional pharmaceutically accepted excipients. Levothyroxine sodium is the preferred active drug substance, butylated hydroxyanisole is the preferred antioxidant. Additional preferred excipients include, for example, microcrystalline cellulose, sucrose, mannitol, crospovidone, magnesium stearate, colloidal silicon dioxide, and sodium lauryl sulfate.
    Type: Grant
    Filed: May 20, 2003
    Date of Patent: May 30, 2006
    Assignee: Mylan Pharmaceuticals Inc.
    Inventors: Dwight D. Hanshew, Jr., David John Wargo
  • Patent number: 6936274
    Abstract: This invention provides a storage-stable dosage form of a thyroxine active drug composition which exhibits an improved stability. The formulation contains a thyroxine active drug substance, an alditol, and a saccharide, and, optionally, additional pharmaceutically accepted excipients. Levothyroxine sodium is the preferred active drug substance, mannitol is the preferred alditol, and sucrose is the preferred saccharide. Additional preferred excipients include, for example, microcrystalline cellulose, crospovidone, magnesium stearate, colloidal silicon dioxide, and sodium lauryl sulfate.
    Type: Grant
    Filed: May 22, 2003
    Date of Patent: August 30, 2005
    Assignee: Mylan Pharmaceuticals, Inc.
    Inventors: Dwight D. Hanshew, Jr., David John Wargo
  • Publication number: 20040033259
    Abstract: This invention provides a storage-stable dosage form of a thyroxine active drug composition which exhibits an improved stability. The formulation contains a thyroxine active drug substance, an alditol, and a saccharide, and, optionally, additional pharmaceutically accepted excipients. Levothyroxine sodium is the preferred active drug substance, mannitol is the preferred alditol, and sucrose is the preferred saccharide. Additional preferred excipients include, for example, microcrystalline cellulose, crospovidone, magnesium stearate, colloidal silicon dioxide, and sodium lauryl sulfate.
    Type: Application
    Filed: May 22, 2003
    Publication date: February 19, 2004
    Inventors: Dwight D. Hanshew, David John Wargo
  • Publication number: 20040013725
    Abstract: This invention provides a storage-stable dosage form of a thyroxine active drug composition which exhibits an improved stability. The formulation contains a thyroxine active drug substance and an antioxidant, and, optionally, additional pharmaceutically accepted excipients. Levothyroxine sodium is the preferred active drug substance, butylated hydroxyanisole is the preferred antioxidant. Additional preferred excipients include, for example, microcrystalline cellulose, sucrose, mannitol, crospovidone, magnesium stearate, colloidal silicon dioxide, and sodium lauryl sulfate.
    Type: Application
    Filed: May 20, 2003
    Publication date: January 22, 2004
    Inventors: Dwight D. Hanshew, David John Wargo
  • Patent number: 6645526
    Abstract: This invention provides a storage-stable dosage form of a thyroxine active drug composition which exhibits an improved stability. The formulation contains a thyroxine active drug substance, an alditol, and a saccharide, and, optionally, additional pharmaceutically accepted excipients. Levothyroxine sodium is the preferred active drug substance, mannitol is the preferred alditol, and sucrose is the preferred saccharide. Additional preferred excipients include, for example, microcrystalline cellulose, crospovidone, magnesium stearate, colloidal silicon dioxide, and sodium lauryl sulfate.
    Type: Grant
    Filed: November 13, 2001
    Date of Patent: November 11, 2003
    Assignee: Mylan Pharmaceuticals, Inc.
    Inventors: Dwight D. Hanshew, Jr., David John Wargo
  • Publication number: 20030099698
    Abstract: This invention provides a storage-stable dosage form of a thyroxine active drug composition which exhibits an improved stability. The formulation contains a thyroxine active drug substance, an alditol, and a saccharide, and, optionally, additional pharmaceutically accepted excipients. Levothyroxine sodium is the preferred active drug substance, mannitol is the preferred alditol, and sucrose is the preferred saccharide. Additional preferred excipients include, for example, microcrystalline cellulose, crospovidone, magnesium stearate, colloidal silicon dioxide, and sodium lauryl sulfate.
    Type: Application
    Filed: November 13, 2001
    Publication date: May 29, 2003
    Inventors: Dwight D. Hanshew, David John Wargo
  • Publication number: 20030099699
    Abstract: This invention provides a storage-stable dosage form of a thyroxine active drug composition which exhibits an improved stability. The formulation contains a thyroxine active drug substance and an antioxidant, and, optionally, additional pharmaceutically accepted excipients. Levothyroxine sodium is the preferred active drug substance, butylated lydroxyanisole is the preferred antioxidant. Additional preferred excipients include, for example, microcrystalline cellulose, sucrose, mannitol, crospovidone, magnesium stearate, colloidal silicon dioxide, and sodium lauryl sulfate.
    Type: Application
    Filed: November 13, 2001
    Publication date: May 29, 2003
    Inventors: Dwight D. Hanshew, David John Wargo