Title:
OXIDATION CATALYST FOR A DIESEL ENGINE EXHAUST
Document Type and Number:
WIPO Patent Application WO/2019/138256
Kind Code:
A1
Abstract:
An oxidation catalyst is described for treating an exhaust gas produced by a diesel engine comprising a catalytic region and a substrate, wherein the catalytic region comprises a catalytic material comprising: bismuth (Bi) or an oxide thereof; an alkaline earth metal or an oxide thereof; a platinum group metal (PGM) selected from the group consisting of (i) platinum (Pt), (ii) palladium (Pd) and (iii) platinum (Pt) and palladium (Pd); and a support material comprising alumina doped with silica in a total amount of 0.5 to 15 % by weight of the alumina.
Inventors:
CHIFFEY ANDREW FRANCIS (GB)
COOPER OLIVER (GB)
DALY CHRISTOPHER (GB)
MOREAU FRANCOIS (GB)
COOPER OLIVER (GB)
DALY CHRISTOPHER (GB)
MOREAU FRANCOIS (GB)
Application Number:
PCT/GB2019/050104
Publication Date:
July 18, 2019
Filing Date:
January 15, 2019
Export Citation:
Assignee:
JOHNSON MATTHEY PLC (GB)
International Classes:
B01J37/02; B01D53/94; B01J21/12; B01J23/644; B01J35/04
Domestic Patent References:
| WO2017064498A1 | 2017-04-20 | |||
| WO2017060694A1 | 2017-04-13 | |||
| WO2006094746A1 | 2006-09-14 |
Foreign References:
| GB2051056A | 1981-01-14 | |||
| US3919120A | 1975-11-11 | |||
| US20090288401A1 | 2009-11-26 | |||
| US20080124514A1 | 2008-05-29 | |||
| GB1286443A | 1972-08-23 | |||
| JP2012000595A | 2012-01-05 |
Attorney, Agent or Firm:
NUNN, Andrew Dominic (GB)
Download PDF:
Previous Patent: MOLECULE DETECTION USING APTAMER NUCLEIC ACID DUPLEX
Next Patent: SCREED ACCESSORY FOR LEVELLING UNCURED CONCRETE SURFACES
Next Patent: SCREED ACCESSORY FOR LEVELLING UNCURED CONCRETE SURFACES