Patents by Inventor John J. Teixeira, Jr.

John J. Teixeira, Jr. 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).

  • Purification process for an azabicyclo[3.1.0]hexane compound
    Patent number: 7153976
    Abstract: A process for preparing azabicyclo[3.1.0]hexane compounds having reduced process-related impurities, e.g. 3-azabicyclo[3.1.0]hexane derivatives having reduced levels of etheric impurities, e.g. THF, is disclosed.
    Type: Grant
    Filed: September 7, 2004
    Date of Patent: December 26, 2006
    Assignee: Pfizer Inc.
    Inventors: Derek L. Tickner, John J. Teixeira, Jr.