Patents by Inventor Carl E. Longfellow

Carl E. Longfellow 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: 7683052
    Abstract: The present invention is directed to a crystalline polymorph of bazedoxifene acetate, compositions containing the same, preparations thereof, and uses thereof.
    Type: Grant
    Filed: April 6, 2005
    Date of Patent: March 23, 2010
    Assignee: Wyeth
    Inventors: Kadum A. Ali, Pietro Allegrini, Aldo Belli, Roberto Brescello, Vincenzo Cannata, Malama K. Chibwe, Livius Cotarca, Shridhar G. Gangolli, Carl E. Longfellow, Giorgio Soriato, Massimo Verzini
  • Publication number: 20080249303
    Abstract: Methods are disclosed for separating and detecting bazedoxifene acetate from pharmaceutical compositions containing a mixture of bazedoxifene acetate and one or more other components that produce X-Ray diffraction patterns having interfering peaks at or near the characteristic peaks for bazedoxifene acetate.
    Type: Application
    Filed: March 28, 2008
    Publication date: October 9, 2008
    Applicant: WYETH
    Inventors: Wei TONG, Carl E. LONGFELLOW