Patents by Inventor Evgenyi Yur'evich Shalaev

Evgenyi Yur'evich Shalaev 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).

  • Process for forming amorphous atorvastatin
    Patent number: 7939675
    Abstract: A process for forming amorphous atorvastatin comprising the steps of dissolving atorvastatin in a non-hydroxylic solvent and removing the solvent by freeze-drying, as well as processes of dissolving atorvastatin in a hydroxylic solvent with a solubilizing agent or an alkalizing agent or an antioxidant and removing the solvent by freeze-drying to afford amorphous atorvastatin.
    Type: Grant
    Filed: October 12, 2005
    Date of Patent: May 10, 2011
    Assignee: Pfizer, Inc.
    Inventors: Antone John deBettencourt, III, Evgenyi Yur'evich Shalaev
  • Process for Forming Amorphous Atorvastatin
    Publication number: 20080269314
    Abstract: A process for forming amorphous atorvastatin comprising the steps of dissolving atorvastatin in a non-hydroxylic solvent and removing the solvent by freeze-drying, as well as processes of dissolving atorvastatin in a hydroxylic solvent with a solubilizing agent or an alkalizing agent or an antioxidant and removing the solvent by freeze-drying to afford amorphous atorvastatin.
    Type: Application
    Filed: October 12, 2005
    Publication date: October 30, 2008
    Inventors: Antone John Debetten-Court, Peter Robert Rose, Evgenyi Yur'evich Shalaev, George Joseph Quallich, Carl Bernard Ziegler