Patents by Inventor Michael Greenhill-Hooper

Michael Greenhill-Hooper 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).

  • Foam forming compositions comprising a particulate inorganic material
    Patent number: 10351764
    Abstract: The present invention relates to aqueous compositions for forming a foam, comprising a surfactant and a particulate inorganic material, and optionally one or more polymers, such as soil conditioning polymers, and/or viscosity increasing polymers. The present invention further relates to the use and application of said aqueous compositions.
    Type: Grant
    Filed: January 15, 2016
    Date of Patent: July 16, 2019
    Assignee: ImerTech SAS
    Inventors: Michael Greenhill-Hooper, Gilles Collard, Stephen Johan Neethling, Pablo Rafael Brito Parada
  • Method of stabilising clay or shale
    Publication number: 20050014655
    Abstract: A method of reducing the swelling of shale or clay encountered in a wellbore, the method comprising introducing into the wellbore a composition comprising: (a) a continuous aqueous phase; (b) a source of borate ions; (c) a source of ions selected from the group consisting of alkali metal ions, alkaline earth metal ions and ammonium ions; and (d) optionally a source of at least one sugar selected from the group consisting of monosaccharides and oligosaccharides having from 2 to 4 saccharide groups.
    Type: Application
    Filed: December 12, 2002
    Publication date: January 20, 2005
    Inventors: Mark Aston, Michael Greenhill-Hooper