Patents by Inventor Delina Yvonne-Marie de Souza LYON

Delina Yvonne-Marie de Souza LYON 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