Patents by Inventor James Spencer Dalton

James Spencer Dalton 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).

  • Catalyst additives
    Patent number: 8501660
    Abstract: A nickel slurry comprising a nickel catalyst, water and at least one rheology modifier, the activity of the nickel catalyst being equal to or greater than the activity of the equivalent nickel catalyst contained in a slurry which does not comprise rheology modifiers, wherein the at least one rheology modifier provides high viscosity at low shear stress and low viscosity at high shear stress.
    Type: Grant
    Filed: June 29, 2010
    Date of Patent: August 6, 2013
    Assignee: Johnson Matthey PLC
    Inventor: James Spencer Dalton
  • CATALYST ADDITIVES
    Publication number: 20100280274
    Abstract: A nickel slurry comprising a nickel catalyst, water and at least one rheology modifier, the activity of the nickel catalyst being equal to or greater than the activity of the equivalent nickel catalyst contained in a slurry which does not comprise rheology modifiers, wherein the at least one rheology modifier provides high viscosity at low shear stress and low viscosity at high shear stress.
    Type: Application
    Filed: June 29, 2010
    Publication date: November 4, 2010
    Applicant: JOHNSON MATTHEY PLC
    Inventor: James Spencer Dalton
  • CATALYST ADDITIVES
    Publication number: 20090203518
    Abstract: A nickel slurry comprising a nickel catalyst, water and at least one rheology modifier, the activity of the nickel catalyst being equal to or greater than the activity of the equivalent nickel catalyst contained in a slurry which does not comprise rheology modifiers, wherein the at least one rheology modifier provides high viscosity at low shear stress and low viscosity at high shear stress.
    Type: Application
    Filed: April 23, 2007
    Publication date: August 13, 2009
    Applicant: Johnson Matthey PLC
    Inventor: James Spencer Dalton