Patents by Inventor Steven Daniel DOIG

Steven Daniel DOIG 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).

  • PROCESS FOR SEPARATION OF A MIXTURE CONTAINING A MICROBIAL OIL AND MICROBIAL SUBSTANCE
    Publication number: 20140215903
    Abstract: A process for separation of a mixture comprising at least a microbial oil and a microbial substance into at least a first phase comprising at least part of the microbial oil and a second phase comprising at least part of the microbial substance, wherein the separation is carried out by a cyclone type separation unit.
    Type: Application
    Filed: September 16, 2011
    Publication date: August 7, 2014
    Inventors: Steven Daniel Doig, Johannes Pieter Haan
  • METHOD AND APPARATUS FOR CONVERTING A CARBON SOURCE INTO A HYDROCARBON OR HYDROCARBON PRECURSOR
    Publication number: 20140024090
    Abstract: Method for converting a carbon source such as a plant-derived material into a hydrocarbon or hydrocarbon precursor, via a microorganism-catalysed aerobic reaction. The microorganism is cultivated in the presence of the carbon source and of oxygen, in a reaction vessel having a capacity of about 2000 litres or greater which comprises an aeration system for supplying oxygen to the microorganism. Also provided is an apparatus for use in the method, comprising a reaction vessel of capacity 2000 litres or greater, and an aeration system.
    Type: Application
    Filed: December 14, 2012
    Publication date: January 23, 2014
    Applicant: SHELL OIL COMPANY
    Inventors: Steven Daniel DOIG, Steven Richard BROWN, George Robert LEE, David Alexander PARKER