Patents by Inventor Richard Phillips

Richard Phillips 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).

  • Zoned catalytic filters for treatment of exhaust gas
    Patent number: 9242212
    Abstract: Provided is an SCRF article having different SCR catalysts compositions disposed on a wall-flow filter substrate in zones that are arranged in series with respect to the inlet and outlet faces of the substrate. Also provided is method of reducing backpressure and ammonia slip that involves the use of such SCRF articles.
    Type: Grant
    Filed: April 28, 2014
    Date of Patent: January 26, 2016
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Paul Richard Phillips, Guy Richard Chandler, Keith Anthony Flanagan
  • Oxidation Catalyst for a Lean Burn Internal Combustion Engine
    Publication number: 20150375221
    Abstract: An apparatus is disclosed. The apparatus comprises a lean-burn internal combustion engine, engine management means and an exhaust system for treating exhaust gas of the engine. The exhaust system comprises a first oxidation catalyst disposed on a first honeycomb monolith substrate. The first oxidation catalyst comprises platinum supported on a first metal oxide support comprising at least one reducible oxide, and is substantially free of alkali metals and alkaline earth metals. The engine management means is arranged, when in use, intermittently to modulate the lambda composition of the exhaust gas entering the first oxidation catalyst to a rich lambda composition.
    Type: Application
    Filed: September 4, 2015
    Publication date: December 31, 2015
    Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
    Inventors: David BERGEAL, Andrew Francis CHIFFEY, Marie FEUERSTEIN, Paul Richard PHILLIPS, Wolfgang STREHLAU, Daniel SWALLOW, James WYLIE
  • TRANSITION METAL-CONTAINING ALUMINOSILICATE ZEOLITE
    Publication number: 20150360212
    Abstract: A synthetic aluminosilicate zeolite catalyst containing at least one catalytically active transition metal selected from the group consisting of Cu, Fe, Hf, La, Au, In, V, lanthanides and Group VIII transition metals, which aluminosilicate zeolite is a small pore aluminosilicate zeolite having a maximum ring size of eight tetrahedral atoms, wherein the mean crystallite size of the aluminosilicate zeolite determined by scanning electron microscope is >0.50 micrometer.
    Type: Application
    Filed: August 24, 2015
    Publication date: December 17, 2015
    Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
    Inventors: Guy Richard CHANDLER, Neil Robert COLLINS, Rodney FOO KOK SHIN, Alexander Nicholas Michael GREEN, Paul Richard PHILLIPS, Raj Rao RAJARAM, Stuart David REID
  • Oxidation Catalyst for a Compression Ignition Engine
    Publication number: 20150360213
    Abstract: An oxidation catalyst for treating an exhaust gas from a compression ignition engine, which oxidation catalyst comprises: a first washcoat region comprising platinum (Pt) and a first support material, wherein the first washcoat region is substantially free of a hydrocarbon adsorbent; a second washcoat region comprising platinum (Pt), palladium (Pd) and a second support material, wherein the second washcoat region has a ratio by mass of platinum (Pt) to palladium (Pd) of 4:1 to 1:1; a hydrocarbon adsorbent; and a substrate; wherein the first washcoat region is arranged to contact inlet exhaust gas before the hydrocarbon adsorbent, and the first washcoat region is arranged to contact inlet exhaust gas before the second washcoat region.
    Type: Application
    Filed: May 16, 2014
    Publication date: December 17, 2015
    Inventors: David BERGEAL, Andrew Francis CHIFFEY, Daniel HATCHER, James LEELAND, Francois MOREAU, Paul Richard PHILLIPS
  • Diesel engine and a catalysed filter therefor
    Patent number: 9169753
    Abstract: A diesel engine includes an exhaust system having a particulate filter made from a porous material having a mean pore diameter of from 5 ?m to 40 ?m, a porosity of at least 40% and a bulk volumetric heat capacity of at least 0.50 J cm?3 K?1 at 500° C. The filter includes a diesel oxidation catalyst (DOC) located in a first catalyst zone on the front end of the filter and at least one catalyst zone located downstream thereof, for oxidizing carbon monoxide, hydrocarbons and nitrogen monoxide. The engine includes engine management means, in use, to provide continuously or intermittently an exhaust gas having sufficient nitrogen oxides or hydrocarbon and/or an exhaust gas of sufficiently high temperature to combust particulate matter. The platinum group metal (PGM) loading in the first catalyst zone is greater than the total PGM loading in the at least one downstream catalyst zone.
    Type: Grant
    Filed: March 5, 2004
    Date of Patent: October 27, 2015
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Martyn Vincent Twigg, Paul Richard Phillips
  • Catalysed Soot Filter for Treating the Exhaust Gas of a Compression Ignition Engine
    Publication number: 20150298059
    Abstract: A catalysed soot filter comprising an oxidation catalyst for treating carbon monoxide (CO) and hydrocarbons (HCs) in exhaust gas from a compression ignition engine disposed on a filtering substrate, wherein the oxidation catalyst comprises: a platinum group metal (PGM) component selected from the group consisting of a platinum (Pt) component, a palladium (Pd) component and a combination thereof; an alkaline earth metal component; a support material comprising a modified alumina incorporating a heteroatom component.
    Type: Application
    Filed: May 12, 2015
    Publication date: October 22, 2015
    Inventors: David BERGEAL, Andrew Francis CHIFFEY, John Benjamin GOODWIN, Daniel HATCHER, Francois MOREAU, Agnes RAJ, Raj Rao RAJARAM, Paul Richard PHILLIPS, Cathal PRENDERGAST, Gavin Michael BROWN
  • DIESEL OXIDATION CATALYST WITH NOx ADSORBER ACTIVITY
    Publication number: 20150273452
    Abstract: An oxidation catalyst for treating an exhaust gas from a diesel engine and an exhaust system comprising the oxidation catalyst are described. The oxidation catalyst comprises: a first washcoat region for adsorbing NOx, wherein the first washcoat region comprises a zeolite catalyst, wherein the zeolite catalyst comprises a noble metal and a zeolite; a second washcoat region for oxidising nitric oxide (NO), wherein the second washcoat region comprises platinum (Pt) and a support material; and a substrate having an inlet end and an outlet end.
    Type: Application
    Filed: April 1, 2015
    Publication date: October 1, 2015
    Inventors: Andrew Francis CHIFFEY, Paul Richard PHILLIPS, Francois MOREAU, Christopher DALY, Matthew O'BRIEN
  • Oxidation catalyst for a combustion engine
    Patent number: 9138724
    Abstract: An oxidation catalyst for treating an exhaust gas produced by a combustion engine, wherein the oxidation catalyst comprises a substrate and a catalyst layer, wherein the catalyst layer comprises: a first support material; a first noble metal; and a second noble metal; wherein the catalyst layer is disposed on a surface of the substrate, and the catalyst layer has a non-uniform distribution of the first noble metal in a direction perpendicular to the surface of the substrate. The oxidation catalyst can be used to oxidize carbon monoxide (CO), hydrocarbons (HCs) and also oxides of nitrogen (NOx) in such an exhaust gas.
    Type: Grant
    Filed: February 18, 2014
    Date of Patent: September 22, 2015
    Assignee: Johnson Matthey Public Limited Company
    Inventors: David Bergeal, Paul Richard Phillips, Andrew Francis Chiffey, John Benjamin Goodwin
  • Oxidation catalyst for a lean burn internal combustion engine
    Patent number: 9140167
    Abstract: An apparatus is disclosed. The apparatus comprises a lean-burn internal combustion engine, engine management means and an exhaust system for treating exhaust gas of the engine. The exhaust system comprises a first oxidation catalyst disposed on a first honeycomb monolith substrate. The first oxidation catalyst comprises platinum supported on a first metal oxide support comprising at least one reducible oxide, and is substantially free of alkali metals and alkaline earth metals. The engine management means is arranged, when in use, intermittently to modulate the lambda composition of the exhaust gas entering the first oxidation catalyst to a rich lambda composition.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: September 22, 2015
    Assignee: Johnson Matthey Public Limited Company
    Inventors: David Bergeal, Andrew Francis Chiffey, Marie Feuerstein, Paul Richard Phillips, Wolfgang Strehlau, Daniel Swallow, James Wylie
  • Extruded honeycomb catalyst
    Patent number: 9138731
    Abstract: An extruded honeycomb catalyst for nitrogen oxide reduction according to the selective catalytic reduction (SCR) method in exhaust gases from motor vehicles includes an extruded active carrier in honeycomb form having a first SCR catalytically active component and with a plurality of channels through which the exhaust gas flows during operation, and a washcoat coating having a second SCR catalytically active component being applied to the extruded body, wherein the first SCR catalytically active component and the second SCR catalytically active component are each independently one of: (i) vanadium catalyst with vanadium as catalytically active component; (ii) mixed-oxide catalyst with one or more oxides, in particular those of transition metals or lanthanides as catalytically active component; and (iii) an Fe- or a Cu-zeolite catalyst.
    Type: Grant
    Filed: July 31, 2012
    Date of Patent: September 22, 2015
    Assignee: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
    Inventors: Guy Richard Chandler, Neil Robert Collins, Ralf Dotzel, Jörg Werner Münch, Paul Richard Phillips, Gudmund Smedler, Andrew Peter Walker
  • ZONED CATALYSED SUBSTRATE MONOLITH
    Publication number: 20150252708
    Abstract: A zoned catalysed substrate monolith comprises a first zone and a second zone that are arranged axially in series. The first zone comprises a platinum group metal loaded on a support and a first base metal oxide or a first base metal loaded on an inorganic oxide. The first base metal oxide is iron oxide, manganese oxide, copper oxide, zinc oxide, nickel oxide, or mixtures thereof. The first base metal is iron, manganese, copper, zinc, nickel, or mixtures thereof. The second zone comprises copper or iron loaded on a zeolite and a second base metal oxide or a second base metal loaded on an inorganic oxide. The second base metal oxide is iron oxide, manganese oxide, copper oxide, zinc oxide, nickel oxide, or mixtures thereof. The second base metal is iron, manganese, copper, zinc, nickel, or mixtures thereof. The second base metal is different from the first base metal.
    Type: Application
    Filed: November 22, 2013
    Publication date: September 10, 2015
    Inventors: Gavin Michael Brown, Andrew Francis Chiffey, Paul Richard Phillips, Daniel Swallow
  • SCR CATALYSTS HAVING IMPROVED LOW TEMPERATURE PERFORMANCE, AND METHODS OF MAKING AND USING THE SAME
    Publication number: 20150246346
    Abstract: SCR-active molecular-sieve based catalysts with improved low-temperature performance are made by heating a molecular-sieve in a non-oxidizing atmosphere with steam (hydrothermal treatment), or in a reducing atmosphere without steam (thermal treatment), at a temperature in the range of 600-900° C. for a time period from 5 minutes to two hours. The resulting SCR-active iron-containing molecular sieves exhibit a selective catalytic reduction of nitrogen oxides with NH3 or urea at 250° C. that is at least 50% greater than if the iron-containing molecular-sieve were calcined at 500° C. for two hours without performing the hydrothermal or thermal treatment.
    Type: Application
    Filed: February 27, 2015
    Publication date: September 3, 2015
    Inventors: Guy Richard CHANDLER, Jillian Elaine COLLIER, Alexander Nicholas Michael GREEN, Desiree DURAN-MARTIN, Paul Richard PHILLIPS, Raj Rao RAJARAM, Stuart David REID
  • CATALYSED SUBSTRATE MONOLITH
    Publication number: 20150238934
    Abstract: A catalysed substrate monolith 12 for use in treating exhaust gas emitted from a lean-burn internal combustion engine, which catalysed substrate monolith 12 comprising a first washcoat coating 16 and a second washcoat coating 18, wherein the first washcoat coating comprises a catalyst composition comprising at least one platinum group metal (PGM) and at least one support material for the at least one PGM, wherein at least one PGM in the first washcoat coating is liable to volatilise when the first washcoat coating is exposed to relatively extreme conditions including relatively high temperatures, wherein the second washcoat coating comprises at least one metal oxide for trapping volatilised PGM and wherein the second washcoat coating is oriented to contact exhaust gas that has contacted the first washcoat coating.
    Type: Application
    Filed: May 12, 2015
    Publication date: August 27, 2015
    Inventors: Philip Gerald BLAKEMAN, Gavin Michael BROWN, Sougato CHATTERJEE, Andrew Francis CHIFFEY, Jane GAST, Paul Richard PHILLIPS, Raj Rao RAJARAM, Glen SPREITZER, Andrew Peter WALKER
  • EXHAUST SYSTEM HAVING N2O CATALYST IN EGR CIRCUIT
    Publication number: 20150240752
    Abstract: An exhaust system for an internal combustion engine is disclosed. The exhaust system comprises a particulate filter, one or more NOx reduction catalysts, and a low pressure exhaust gas recirculation (EGR) circuit for connecting the exhaust system downstream of the filter and the one or more NOx reduction catalysts to an intake of the engine. The EGR circuit comprises a N2O-producing catalyst.
    Type: Application
    Filed: February 27, 2015
    Publication date: August 27, 2015
    Inventors: Guy Richard CHANDLER, Alexander Nicholas Michael GREEN, Paul Richard PHILLIPS
  • Oxidation Catalyst for Treating the Exhaust Gas of a Compression Ignition Engine
    Publication number: 20150224478
    Abstract: An exhaust system for a compression ignition engine comprising an oxidation catalyst for treating carbon monoxide (CO) and hydrocarbons (HCs) in exhaust gas from the compression ignition engine, wherein the oxidation catalyst comprises: a platinum group metal (PGM) component selected from the group consisting of a platinum (Pt) component, a palladium (Pd) component and a combination thereof; an alkaline earth metal component; a support material comprising a modified alumina incorporating a heteroatom component; and a substrate, wherein the platinum group metal (PGM) component, the alkaline earth metal component and the support material are disposed on the substrate.
    Type: Application
    Filed: April 20, 2015
    Publication date: August 13, 2015
    Inventors: David BERGEAL, Andrew Francis CHIFFEY, John Benjamin GOODWIN, Daniel HATCHER, Francois MOREAU, Agnes RAJ, Raj Rao RAJARAM, Paul Richard PHILLIPS, Cathal PRENDERGAST
  • OXIDATION CATALYST FOR INTERNAL COMBUSTION ENGINE EXHAUST GAS TREATMENT
    Publication number: 20150202604
    Abstract: The invention provides an exhaust gas cleaning oxidation catalyst and in particular to an oxidation catalyst for cleaning the exhaust gas discharged from internal combustion engines of compression ignition type (particularly diesel engines). The invention further relates to a catalysed substrate monolith comprising an oxidising catalyst on a substrate monolith for use in treating exhaust gas emitted from a lean-burn internal combustion engine. In particular, the invention relates to a catalysed substrate monolith comprising a first washcoat coating and a second washcoat coating, wherein the second washcoat coating is disposed in a layer above the first washcoat coating.
    Type: Application
    Filed: April 1, 2015
    Publication date: July 23, 2015
    Inventors: Satoshi SUMIYA, Lifeng WANG, Hanako OYAMADA, Philip Gerald BLAKEMAN, Gavin Michael BROWN, Sougato CHATTERJEE, Andrew Francis CHIFFEY, Jane GAST, Paul Richard PHILLIPS, Raj Rao RAJARAM, Andrew Peter WALKER
  • NOx TRAP
    Publication number: 20150190793
    Abstract: A NOx trap, and its use in an exhaust system for internal combustion engines, is disclosed. The NOx trap comprises a substrate and three layers on the substrate. The first layer comprises a first platinum group metal, a first NOx storage component, and a first support; the second layer comprises a second platinum group metal, a second NOx storage component, and a second support; and the third layer comprises rhodium and a third support. The platinum group metal loading in the first layer is from 1 to 40 percent of the platinum group metal loading in the second layer. In addition, the first NOx storage component and the second NOx storage component are the same, and the first support and the second support are the same. The NOx trap is less prone to deactivation over numerous desulfation/NOx trap regeneration cycles.
    Type: Application
    Filed: December 12, 2012
    Publication date: July 9, 2015
    Inventors: Daniel Swallow, Paul Richard Phillips
  • EXHAUST SYSTEM FOR A COMPRESSION IGNITION ENGINE COMPRISING A WATER ADSORBENT MATERIAL
    Publication number: 20150176455
    Abstract: An exhaust system for a compression ignition engine comprising: a water adsorbent material; and a catalyst composition for treating an exhaust gas pollutant produced by the compression ignition engine; wherein the water adsorbent material is: (i) arranged to contact exhaust gas from the compression ignition engine before the catalyst composition; and (ii) in thermal communication with the catalyst composition.
    Type: Application
    Filed: December 19, 2014
    Publication date: June 25, 2015
    Inventors: Guy Richard CHANDLER, Alexander Nicholas Michael GREEN, Paul Richard PHILLIPS, Andrew WALKER
  • Catalysed soot filter for treating the exhaust gas of a compression ignition engine
    Patent number: 9057310
    Abstract: A catalysed soot filter comprising an oxidation catalyst for treating carbon monoxide (CO) and hydrocarbons (HCs) in exhaust gas from a compression ignition engine disposed on a filtering substrate, wherein the oxidation catalyst comprises: a platinum group metal (PGM) component selected from the group consisting of a platinum (Pt) component, a palladium (Pd) component and a combination thereof; an alkaline earth metal component; a support material comprising a modified alumina incorporating a heteroatom component.
    Type: Grant
    Filed: November 21, 2013
    Date of Patent: June 16, 2015
    Assignee: Johnson Matthey Public Limited Company
    Inventors: David Bergeal, Andrew Francis Chiffey, John Benjamin Goodwin, Daniel Hatcher, Francois Moreau, Agnes Raj, Raj Rao Rajaram, Paul Richard Phillips, Cathal Prendergast, Gavin Michael Brown
  • WALL-FLOW FILTER COMPRISING CATALYTIC WASHCOAT
    Publication number: 20150152768
    Abstract: A catalysed honeycomb wall-flow filter for treating exhaust gas comprising particulate matter emitted from an internal combustion engine, which filter comprising a honeycomb substrate having a first end and a second end and comprising an array of interconnecting porous walls defining an array of longitudinally extending first channels and second channels, wherein the first channels are bordered on their sides by the second channels and have a larger hydraulic diameter than the second channels, wherein the first channels are end-plugged at a first end of the honeycomb substrate and the second channels are end-plugged at a second end of the honeycomb substrate, wherein channel wall surfaces of the first channels comprise an on-wall-type catalytic washcoat. The invention also relates to an exhaust system comprising the catalysed filter and to methods of making it.
    Type: Application
    Filed: December 2, 2014
    Publication date: June 4, 2015
    Inventors: Kaneshalingham ARULRAJ, Guy Richard CHANDLER, Neil Robert COLLINS, Paul Richard PHILLIPS, David William PREST