Patents by Inventor Naoko N. Akiya

Naoko N. Akiya 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 TO EXTRACT BITUMEN FROM OIL SANDS
    Publication number: 20170051597
    Abstract: The present invention relates to an improved bitumen recovery process from oil sands. The oil sands may be surface mined and transported to a treatment area or may be treated directly by means of an in situ process of oil sand deposits that are located too deep for strip mining. Specifically, the present invention involves the step of treating oil sands with a propylene oxide capped glycol ether described by the structure: RO—(C2H4O)n—CH2CH(CH3)OH wherein R is a linear, branched, or cyclic alkyl, phenyl, alkyl phenyl group and n is 1 to 10.
    Type: Application
    Filed: March 20, 2015
    Publication date: February 23, 2017
    Applicant: Dow Global Technologies LLC
    Inventors: Naoko N Akiya, Edward D. Daugs, Felipe A. Donate, Harpreet Singh
  • METHOD TO EXTRACT BITUMEN FROM OIL SANDS
    Publication number: 20150307787
    Abstract: The present invention relates to an improved bitumen recovery process from oil sands. The oil sands may be surface mined and transported to a treatment area or may be treated directly by means of an in situ process of oil sand deposits that are located too deep for strip mining. Specifically, the present invention involves the step of treating oil sands with a glycol ether amine described by the following structure: R-(OC2H4)x-NH2 or R-(OCH2CH(CH3))y-NH2 wherein R is a C1 to C6 alkyl group or a phenyl group and x and y independently are 1 to 3.
    Type: Application
    Filed: December 10, 2013
    Publication date: October 29, 2015
    Inventors: Naoko N. Akiya, Felipe A. Donate