Patents by Inventor David E. Lenz

David E. Lenz 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).

  • Large-scale production of human serum butyrylcholinesterase as a bioscavenger
    Patent number: 7754461
    Abstract: Disclosed herein are methods for the large-scale preparation of human butyrylcholinesterase (HuBChE) preparations from Cohn Fraction IV-4. As disclosed, the methods provide HuBChE preparations that are about 99% or more pure with recovery yields of about 60%. Also disclosed are the pharmacokinetics, safety and toxicity, stability and efficacy of the HuBChE preparations.
    Type: Grant
    Filed: April 10, 2007
    Date of Patent: July 13, 2010
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Bhupendra P. Doctor, Ashima Saxena, Wei Sun, Chunyuan Luo, Prasanthi Tipparaju, Irwin Koplovitz, David E. Lenz, Michelle C. Ross