Patents by Inventor Mark C. Delgado

Mark C. Delgado 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).

  • Method and composition for remediating environmental contaminants
    Patent number: 6100382
    Abstract: A method and composition for the remediation of environmental contaminants in soil, sediment, aquifer material or water wherein contaminants are first reduced with a reducing agent found in sediment and are then oxidized to environmentally safe products. The composition includes a reducing agent, solubilized from sediment by a solvent, for reduction of environmental contaminants such as nitroorganics, halogenated hydrocarbons, cyano compounds, anisoles and metals.
    Type: Grant
    Filed: July 21, 1997
    Date of Patent: August 8, 2000
    Assignees: The United States of America as represented by the Environmental Protection Agency, Dyncorp, Inc
    Inventors: N. Lee Wolfe, Laura H. Carreira, Mark C. Delgado
  • Method for remediating environmental contaminants
    Patent number: 5711020
    Abstract: A method and composition for the remediation of environmental contaminants in soil, sediment, aquifer material or water wherein contaminants are first reduced with a reducing agent found in sediment and are then oxidized to environmentally safe products. The composition includes a reducing agent, solubilized from sediment by a solvent, for reduction of environmental contaminants such as nitroorganics, halogenated hydrocarbons, cyano compounds, anisoles and metals.
    Type: Grant
    Filed: April 16, 1996
    Date of Patent: January 20, 1998
    Assignees: The United States of America as represented by the Environmental Protection Agency, Dyncorp, Inc.
    Inventors: N. Lee Wolfe, Laura H. Carreira, Mark C. Delgado