Patents by Inventor Thomas Wayne Strickland

Thomas Wayne Strickland 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).

  • Erythropoietin isoforms
    Patent number: 5856298
    Abstract: Erythropoietin isoforms having a specific number of sialic acids per erythropoietin molecule are disclosed. Also disclosed are mixtures of such isoforms, pharmaceutical compositions containing such isoforms or mixtures thereof and methods of obtaining the erythropoietin isoforms.
    Type: Grant
    Filed: November 3, 1994
    Date of Patent: January 5, 1999
    Assignee: Amgen Inc.
    Inventor: Thomas Wayne Strickland
  • Stable and preserved erythropoietin compositions
    Patent number: 5661125
    Abstract: The invention is to stable compositions of erythropoietin that contain an antimicrobial preservative thereby providing a multi-dose formulation. Preservatives useful in the pharmaceutical compositions of the present invention include benzyl alcohol, parabens, phenol and mixtures thereof. Other additives, including buffers may be included in the composition.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: August 26, 1997
    Assignee: AMGEN, Inc.
    Inventor: Thomas Wayne Strickland