Patents by Inventor Fiona Mary Campbell

Fiona Mary Campbell 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).

  • PROCESS FOR PREPARING CATALYSTS
    Publication number: 20160199818
    Abstract: A process for manufacturing a catalyst composition comprises the steps of (i) precipitating one or more metal compounds from solution using an alkaline precipitant, preferably comprising an alkaline carbonate, optionally in the presence of a thermostabilising material, ii) ageing the precipitated composition, and (iii) recovering and drying the aged composition, wherein the ageing step is performed using a pulse-flow reactor.
    Type: Application
    Filed: November 18, 2015
    Publication date: July 14, 2016
    Applicant: Johnson Matthey PLC
    Inventors: Graeme Douglas Campbell, Gordon James Kelly, Fiona Mary Campbell, Brian Peter Williams
  • Process for preparing catalysts
    Patent number: 9221034
    Abstract: A process for manufacturing a catalyst composition comprises the steps of (i) precipitating one or more metal compounds from solution using an alkaline precipitant, preferably comprising an alkaline carbonate, optionally in the presence of a thermostabilizing material, ii) ageing the precipitated composition, and (iii) recovering and drying the aged composition, wherein the ageing step is performed using a pulse-flow reactor.
    Type: Grant
    Filed: October 18, 2007
    Date of Patent: December 29, 2015
    Assignee: Johnson Matthey PLC
    Inventors: Graeme Douglas Campbell, Gordon James Kelly, Fiona Mary Campbell, Brian Peter Williams
  • PROCESS FOR PREPARING CATALYSTS
    Publication number: 20110034327
    Abstract: A process for manufacturing a catalyst composition comprises the steps of (i) precipitating one or more metal compounds from solution using an alkaline precipitant, preferably comprising an alkaline carbonate, optionally in the presence of a thermostabilising material, ii) ageing the precipitated composition, and (iii) recovering and drying the aged composition, wherein the ageing step is performed using a pulse-flow reactor.
    Type: Application
    Filed: October 18, 2007
    Publication date: February 10, 2011
    Applicant: Johnson Matthey PLC
    Inventors: Graeme Douglas Campbell, Gordon James Kelly, Fiona Mary Campbell, Brian Peter Williams
  • Process for recovering hydrogen in producing pure terephthalic acid
    Patent number: 6407286
    Abstract: A method for recovering and recycling excess hydrogen from process vent streams in the production of highly pure terephthalic acid where the production of the pure terephthalic acid comprises catalytically hydrogenating impure terephthalic acid, which typically contains 4-carboxybenzaldehyde (4-CBA), color bodies and other impurities, in aqueous liquid phase solution at elevated temperature and pressure.
    Type: Grant
    Filed: January 14, 2000
    Date of Patent: June 18, 2002
    Inventors: David Parker, Fiona Mary Campbell, Andrew Harrison