Patents by Inventor David Matthew BROWN

David Matthew BROWN 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).

  • Drilling fluid
    Patent number: 11332653
    Abstract: The present invention relates to drilling fluid comprising one or more linear internal olefin having from 15 to 18 carbon atoms and containing less than 25% branching based on the total amount of the linear internal olefin and a hydrogenated Fischer-Tropsch derived product.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: May 17, 2022
    Assignee: SHELL OIL COMPANY
    Inventors: Burnell Lee, David Matthew Brown, Graham Francis Whale, Michael James Spence, Delina Yvonne-Marie de Souza Lyon
  • DRILLING FLUID
    Publication number: 20210122964
    Abstract: The present invention relates to drilling fluid comprising one or more linear internal olefin having from 15 to 18 carbon atoms and containing less than 25% branching based on the total amount of the linear internal olefin and a hydrogenated Fischer-Tropsch derived product.
    Type: Application
    Filed: July 30, 2018
    Publication date: April 29, 2021
    Applicant: Shell Oil Company
    Inventors: Burnell LEE, David Matthew BROWN, Graham Francis WHALE, Michael James SPENCE, Delina Yvonne-Marie de Souza LYON
  • Continuous or semi-continuous process for treating biomass to produce materials useful for biofuels
    Patent number: 9382593
    Abstract: Fermentable sugar useful for the production of biofuels is produced from biomass in a continuous or semi-continuous manner by providing pumpable biomass.
    Type: Grant
    Filed: May 7, 2013
    Date of Patent: July 5, 2016
    Assignee: Shell Oil Company
    Inventors: Paul Richard Weider, Robert Lawrence Blackbourn, David Matthew Brown
  • PROCESSES FOR PRODUCING FERMENTATION PRODUCTS
    Publication number: 20150299739
    Abstract: A method to produce a fermentation product comprising: providing a biomass material; pretreating the biomass material by contacting the biomass material with a solution containing at least one alpha-hydroxysulfonic acid to produce a pretreated biomass mixture containing at least one fermentable sugar; adding one or more saccharification enzymes to the pretreated biomass mixture, wherein the pretreated biomass mixture has a suitable condition for the one or more saccharification enzymes; performing enzymatic hydrolysis of cellulose by the one or more saccharification enzymes for greater than 24 hours to generate a hydrolysate; and adding at least one fermentation microorganism to the hydrolysate under a suitable condition for simultaneous saccharification and fermentation.
    Type: Application
    Filed: April 15, 2015
    Publication date: October 22, 2015
    Inventors: Peter John Edward HARLICK, David Matthew BROWN
  • CONTINUOUS OR SEMI-CONTINUOUS PROCESS FOR TREATING BIOMASS TO PRODUCE MATERIALS USEFUL FOR BIOFUELS
    Publication number: 20130295629
    Abstract: Fermentable sugar useful for the production of biofuels is produced from biomass in a continuous or semi-continuous manner by providing pumpable biomass.
    Type: Application
    Filed: May 7, 2013
    Publication date: November 7, 2013
    Applicant: SHELL OIL COMPANY
    Inventors: Paul Richard WEIDER, Robert Lawrence BLACKBOURN, David Matthew BROWN