Patents by Inventor Oliver Hemming

Oliver Hemming 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).

  • SULPHUR TOLERANCE IN Cu-SCR CATALYSTS
    Publication number: 20240058751
    Abstract: The present invention relates to a catalyst composition. More particularly, the present invention relates to a catalyst composition comprising a low SAR zeolite, copper in an amount of at least 2 wt %; and a rare earth element. The present invention also relates to a method for the manufacture of a catalyst composition. The present invention further relates to a catalyst article comprising a catalyst composition and a method for the treatment of an exhaust gas which comprises contacting an exhaust gas with a catalyst article comprising a catalyst composition.
    Type: Application
    Filed: July 20, 2023
    Publication date: February 22, 2024
    Inventors: Kaneshalingam ARULRAJ, Daniel Robert AVIS, Guy Richard CHANDLER, Alexander Nicholas Michael GREEN, Matthew Eben HARRIS, Oliver HEMMING, Carmelo IACONO, Alanna Susan MURPHY, Paul Richard PHILLIPS, Maria Pia RUGGERI
  • METHOD OF TREATING EXHAUST GAS AND SYSTEM FOR SAME
    Publication number: 20230347326
    Abstract: A method of treating exhaust gas from a lean burn internal combustion engine is disclosed. The method comprises: introducing ammonia or an ammonia precursor into the exhaust gas upstream of an Fe-SCR catalyst, the Fe-SCR catalyst comprising iron and a zeolite; and contacting the exhaust gas with the Fe-SCR catalyst; wherein the amount of ammonia or ammonia precursor introduced into the exhaust gas upstream of the Fe-SCR catalyst is controlled to provide an ammonia-to-NOx molar ratio (ANR) in the exhaust gas contacting the Fe-SCR catalyst of from greater than 2 to 6.
    Type: Application
    Filed: April 17, 2023
    Publication date: November 2, 2023
    Inventors: Daniel AVIS, Rafal BARAN, Gavin BROWN, Alexander GREEN, Neil GREENHAM, Matthew HARRIS, Oliver HEMMING, Carmelo IACONO, Caitlin JENKINS, Alanna MURPHY, Paul PHILLIPS
  • CATALYST FOR TREATING EXHAUST GAS
    Publication number: 20230130212
    Abstract: Catalyst compositions and methods of preparation comprising: preparing a promoter metal-molecular sieve catalyst composition comprising a promoter metal and a molecular sieve; and incorporating an iron salt into the promoter metal-molecular sieve catalyst composition.
    Type: Application
    Filed: October 20, 2022
    Publication date: April 27, 2023
    Inventors: Daniel Robert AVIS, Gavin BROWN, Alba CASTANON RODRIGUEZ, Alexander Nicholas Michael GREEN, Neil GREENHAM, Matthew Eben HARRIS, Oliver HEMMING, Carmelo IACONO, Caitlin Lucy JENKINS, Alanna Susan MURPHY, Paul Richard PHILLIPS
  • CATALYST FOR TREATING EXHAUST GAS
    Publication number: 20230077564
    Abstract: Catalyst compositions and methods of preparation comprising: exchanging a rare earth element into a molecular sieve; incorporating a promoter metal into the molecular sieve; wherein the rare earth element exchanging step and the promoter metal incorporation step are performed as separate steps.
    Type: Application
    Filed: September 12, 2022
    Publication date: March 16, 2023
    Inventors: Daniel Robert AVIS, Alexander Nicholas Michael GREEN, Matthew Eben HARRIS, Oliver HEMMING, Loredana MANTAROSIE, Alanna Susan Murphy, Maria Pia RUGGERI
  • Vanadium SCR catalysts
    Patent number: 11602736
    Abstract: Methods and compositions related to a selective catalytic reduction catalyst comprising iron and vanadium, wherein the vanadium is present as (1) one or more vanadium oxides, and (2) metal vanadate of the form FexMyVO4 where x=0.2 to 1 and y=1?x, and where M comprises one or more non-Fe metals when y>0.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: March 14, 2023
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Zuharia Arshad, Kaneshalingam Arulraj, Guy Chandler, Rainer Leppelt, Andrew Newman, Paul Phillips, Oliver Rowe, Christopher Smith, Nicholas Spencer, Isabel Tingay, Rob Walker, Oliver Hemming, Agnes Raj
  • Vanadium SCR Catalysts
    Publication number: 20200306734
    Abstract: Methods and compositions related to a selective catalytic reduction catalyst comprising iron and vanadium, wherein the vanadium is present as (1) one or more vanadium oxides, and (2) metal vanadate of the form FexMyVO4 where x=0.2 to 1 and y=1?x, and where M comprises one or more non-Fe metals when y>0.
    Type: Application
    Filed: March 6, 2020
    Publication date: October 1, 2020
    Inventors: Zuharia Arshad, Kaneshalingam Arulraj, Guy Chandler, Rainer Leppelt, Andrew Newman, Paul Phillips, Oliver Rowe, Christopher Smith, Nicholas Spencer, Isabel Tingay, Rob Walker, Oliver Hemming, Agnes Raj