Patents by Inventor Nicholas P. Vasilakos

Nicholas P. Vasilakos 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).

  • Coal desulfurization
    Patent number: 4334888
    Abstract: A method for enhancing solubilizing mass transport of reactive agents into and out of carbonaceous materials, such as coal. Solubility parameters of mass transfer and solvent media are matched to individual peaks in the solubility parameter spectrum of coals to enhance swelling and/or dissolution.Methanol containing reactive agent carriers are found particularly effective for removing organic sulfur from coals by chlorinolysis.
    Type: Grant
    Filed: April 3, 1981
    Date of Patent: June 15, 1982
    Assignee: California Institute of Technology
    Inventors: William H. Corcoran, Nicholas P. Vasilakos, Daniel D. Lawson