Patents by Inventor Brenda E. Allen

Brenda E. Allen 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).

  • Processes for the production of buprenorphine with reduced impurity formation
    Patent number: 8232397
    Abstract: The present invention provides process for the production of opiate alkaloids. In particular, the present invention provides processes for the production of buprenorphine or a derivative of buprenorphine that minimizes the formation of impurities.
    Type: Grant
    Filed: September 29, 2009
    Date of Patent: July 31, 2012
    Assignee: Mallinckrodt LLC
    Inventors: Brenda E. Allen, Esa T. Jarvi, Dennis J. Kalota, James R. Meyer, Keith G. Tomazi, Anthony Mannino, Brian Orr
  • Processes for increasing the yield of opiate alkaloid derivatives
    Patent number: 8227608
    Abstract: The present invention provides processes for the production of opiate alkaloids. In particular, the present invention provides processes for recycling impurities into useful intermediates during the synthesis of opiate alkaloids.
    Type: Grant
    Filed: September 29, 2009
    Date of Patent: July 24, 2012
    Assignee: Mallinckrodt LLC
    Inventor: Brenda E. Allen
  • Processes for the production of buprenorphine with reduced impurity formation
    Publication number: 20100087647
    Abstract: The present invention provides process for the production of opiate alkaloids. In particular, the present invention provides processes for the production of buprenorphine or a derivative of buprenorphine that minimizes the formation of impurities.
    Type: Application
    Filed: September 29, 2009
    Publication date: April 8, 2010
    Applicant: Mallinckrodt Inc.
    Inventors: Brenda E. Allen, Esa T. Jarvi, Dennis J. Kalota, James R. Meyer, Keith G. Tomazi, Anthony Mannino, Brian Orr
  • Processes for increasing the yield of opiate alkaloid derivatives
    Publication number: 20100081814
    Abstract: The present invention provides processes for the production of opiate alkaloids. In particular, the present invention provides processes for recycling impurities into useful intermediates during the synthesis of opiate alkaloids.
    Type: Application
    Filed: September 29, 2009
    Publication date: April 1, 2010
    Applicant: Mallinckrodt Inc.
    Inventor: Brenda E. Allen