Patents by Inventor Francis C. Wessling, Jr.

Francis C. Wessling, 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).

  • Phase change material for temperature control and material storage
    Patent number: 7926296
    Abstract: A phase change material comprising a mixture of water and deuterium oxide is described, wherein the mole fraction of deuterium oxide is selected so that the mixture has a selected phase change temperature within a range between 0° C. and 4° C. The mixture is placed in a container and used for passive storage and transport of biomaterials and other temperature sensitive materials. Gels, nucleating agents, freezing point depression materials and colorants may be added to enhance the characteristics of the mixture.
    Type: Grant
    Filed: March 25, 2004
    Date of Patent: April 19, 2011
    Assignee: The Board of Trustees of the University of Alabama
    Inventors: Francis C. Wessling, Jr., James M. Blackwood