Patents by Inventor Mehrnoush Motamedi

Mehrnoush Motamedi 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).

  • Azithromycin monohydrate isopropanol clathrate and methods for the manufacture thereof
    Patent number: 6245903
    Abstract: A novel form of azithromycin and processes for preparation of pure azithromycin monohydrate isopropanol clathrate (3 molecules of isopropanol for every 10 molecules of azithromycin monohydrate) has been obtained. Preparation of the novel form of azithromycin comprises the steps of dissolving azithromycin in isopropanol, followed by the slow addition of water to the organic solution.
    Type: Grant
    Filed: August 13, 1999
    Date of Patent: June 12, 2001
    Assignee: Apotex, Inc.
    Inventors: Khashayar Karimian, Mehrnoush Motamedi
  • Methods for the manufacture of amorphous cefuroxime axetil
    Patent number: 5847118
    Abstract: A process for preparing pure amorphous cefuroxime axetil comprising the steps of dissolving crystalline cefuroxime axetil in a highly polar organic solvent and adding the resulting solution to water, or alternatively, dissolving crystalline cefuroxime axetil in a highly polar solvent and adding small quantities of water to the organic solution and adding the resulting organic-aqueous solution to water.
    Type: Grant
    Filed: July 25, 1997
    Date of Patent: December 8, 1998
    Assignee: Apotex, Inc.
    Inventors: Khashayar Karimian, Mehrnoush Motamedi, Salvatore Zinghini
  • Azithromycin monohydrate isopropanol clathrate and methods for the manufacture thereof
    Patent number: RE39087
    Abstract: A novel form of azithromycin and processes for preparation of pure azithromycin monohydrate isopropanol clathrate (3 molecules of isopropanol for every 10 molecules of azithromycin monohydrate) has been obtained. Preparation of the novel form of azithromycin comprises the steps of dissolving azithromycin in isopropanol, followed by the slow addition of water to the organic solution.
    Type: Grant
    Filed: June 5, 2003
    Date of Patent: May 2, 2006
    Assignee: Apotex, Inc.
    Inventors: Khashayar Karimian, Mehrnoush Motamedi