Patents by Inventor Kevin Ophus

Kevin Ophus 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: 8758601
    Abstract: A process and composition for removing heavy oil and bitumen from oil sands is disclosed. The composition comprises an emulsion of d-limonene in water, with an optional anionic surfactant as an emulsifying agent. The emulsion is contacted with an oil sand slurry until the aqueous and hydrocarbon phases separate. The process may take place at temperatures less than about 80° C. and with low concentrations of the d-limonene.
    Type: Grant
    Filed: September 18, 2012
    Date of Patent: June 24, 2014
    Assignee: US Oil Sands Inc.
    Inventor: Kevin Ophus
  • Publication number: 20130062258
    Abstract: A process and composition for removing heavy oil and bitumen from oil sands is disclosed. The composition comprises an emulsion of d-limonene in water, with an optional anionic surfactant as an emulsifying agent. The emulsion is contacted with an oil sand slurry until the aqueous and hydrocarbon phases separate. The process may take place at temperatures less than about 80° C. and with low concentrations of the d-limonene.
    Type: Application
    Filed: September 18, 2012
    Publication date: March 14, 2013
    Applicant: US OILSANDS INC.
    Inventor: Kevin OPHUS
  • Publication number: 20080169222
    Abstract: A process and composition for removing heavy oil and bitumen from oil sands is disclosed. The composition comprises an emulsion of d-limonene and water, with an anionic surfactant as an emulsifying agent. The emulsion is contacted with an oil sand slurry until the aqueous and hydrocarbon phases separate. The process may take place at temperatures less than about 80° C.
    Type: Application
    Filed: October 15, 2004
    Publication date: July 17, 2008
    Inventor: Kevin Ophus