Patents by Inventor Rachel L. Hardie

Rachel L. Hardie 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).

  • Patent number: 8697614
    Abstract: Chemical compounds that are N-lauroyl amino acids or derivatives thereof were found to have oil-releasing activity. Solutions containing these compounds may be introduced into oil reservoirs or onto oil-contaminated surface sites to release oil from oil-coated surfaces. The released oil may be recovered for further processing or waste disposal.
    Type: Grant
    Filed: November 17, 2011
    Date of Patent: April 15, 2014
    Assignee: E I du Pont de Nemours and Company
    Inventors: Eric R. Choban, Berardino D'Achille, Rachel L. Hardie, Michael P. Perry, Christina S. Stauffer, Bogdan Szostek
  • Publication number: 20120292022
    Abstract: Chemical compounds that are N-lauroyl amino acids or derivatives thereof were found to have oil-releasing activity. Solutions containing these compounds and microorganisms having oil release and/or plugging biofilm formation properties may be introduced into oil reservoirs to improve oil recovery.
    Type: Application
    Filed: November 17, 2011
    Publication date: November 22, 2012
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Eric R. Choban, Berardino D'Achille, Rachel L. Hardie, Michael P. Perry, Christina S. Stauffer, Bogdan Szostek
  • Publication number: 20120295823
    Abstract: Chemical compounds that are N-lauroyl amino acids or derivatives thereof were found to have oil-releasing activity. Solutions containing these compounds may be introduced into oil reservoirs or onto oil-contaminated surface sites to release oil from oil-coated surfaces. The released oil may be recovered for further processing or waste disposal.
    Type: Application
    Filed: November 17, 2011
    Publication date: November 22, 2012
    Applicant: E.I DU PONT DE NEMOURS AND COMPANY
    Inventors: Eric R. Choban, Berardino D'Achille, Rachel L. Hardie, Michael P. Perry, Christina S. Stauffer, Bogdan Szostek