Patents by Inventor Elizabeth S. Metcalf

Elizabeth S. Metcalf 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).

  • ERGOTHIONEINE AND/OR ITS DERIVATIVES AS A CELL PRESERVATIVE
    Publication number: 20100227307
    Abstract: The present invention relates to cell, tissue or derivatives thereof, preserving compositions for cells in culture, storage, or lyophilization. According to the invention ergothioneine is added as a supplement to such extender or preservative compositions. Sperm cells so treated showed increased motility when thawed compared to cells that were not treated with ergothioneine.
    Type: Application
    Filed: April 10, 2008
    Publication date: September 9, 2010
    Inventors: Marvin S. Hausman, Elizabeth S. Metcalf