Patents by Inventor Andrew James Shooter

Andrew James Shooter 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).

  • Polyurethane dispersants
    Patent number: 8987374
    Abstract: The present invention provides a non-aqueous composition containing a particulate solid, an organic medium and a polyurethane dispersant having an essentially linear backbone and laterally attached solvent-solubilizing side chains of a polyester, a polyether, a polyacrylate or a polyolefin including mixtures of such side chains.
    Type: Grant
    Filed: May 3, 2010
    Date of Patent: March 24, 2015
    Assignee: The Lubrizol Corporation
    Inventors: Stuart Nicholas Richards, Andrew James Shooter
  • Polyurethane Dispersants
    Publication number: 20100216932
    Abstract: The present invention provides a non-aqueous composition containing a particulate solid, an organic medium and a polyurethane dispersant having an essentially linear backbone and laterally attached solvent-solubilising side chains of a polyester, a polyether, a polyacrylate or a polyolefin including mixtures of such side chains.
    Type: Application
    Filed: May 3, 2010
    Publication date: August 26, 2010
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: Stuart Nicholas Richards, Andrew James Shooter
  • Polyurethane dispersants
    Patent number: 7741404
    Abstract: The present invention provides a non-aqueous composition containing a particulate solid, an organic medium and a polyurethane dispersant having an essentially linear backbone and laterally attached solvent-solubilising side chains of a polyester, a polyether, a polyacrylate or a polyolefin including mixtures of such side chains.
    Type: Grant
    Filed: May 11, 2004
    Date of Patent: June 22, 2010
    Assignee: The Lubrizol Corporation
    Inventors: Stuart Nicholas Richards, Andrew James Shooter
  • Polyurethane Dispersants
    Publication number: 20080167423
    Abstract: The present invention provides a non-aqueous composition containing a particulate solid, an organic medium and a polyurethane dispersant having an essentially linear backbone and laterally attached solvent-solubilising side chains of a polyester, a polyether, a polyacrylate or a polyolefin including mixtures of such side chains.
    Type: Application
    Filed: May 11, 2004
    Publication date: July 10, 2008
    Inventors: Stuart Nicholas Richards, Andrew James Shooter