Invention Grant
- Patent Title: Diesel oxidation catalyst and exhaust system
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Application No.: US14603550Application Date: 2015-01-23
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Publication No.: US09636634B2Publication Date: 2017-05-02
- Inventor: Andrew Francis Chiffey , John Benjamin Goodwin , James Leeland , Francois Moreau , Stuart David Reid , Daniel Swallow
- Applicant: Johnson Matthey Public Limited Company
- Applicant Address: GB London
- Assignee: Johnson Matthey Public Limited Company
- Current Assignee: Johnson Matthey Public Limited Company
- Current Assignee Address: GB London
- Agent Gary D. Mangels
- Priority: GB1401115.9 20140123
- Main IPC: B01D50/00
- IPC: B01D50/00 ; B01D53/94 ; B01J21/12 ; B01J23/656 ; B01J23/10 ; B01J29/70 ; B01J35/04 ; B01J37/02 ; B01J35/00 ; F01N3/28 ; B01J37/10 ; B01J29/74 ; B01J35/02 ; B01J37/00 ; F01N3/10 ; F01N3/035 ; B01J23/66 ; B01J23/34 ; B01J23/38 ; B01D53/56 ; B01J23/42 ; B01D53/62 ; B01J23/44 ; B01D53/72 ; B01J23/58 ; B01J23/63 ; B01D53/92 ; B01J29/40
Abstract:
An oxidation catalyst for treating an exhaust gas from a diesel engine, which oxidation catalyst comprises: a first washcoat region comprising a first platinum group metal (PGM), a first support material and a NOx storage component; a second washcoat region comprising platinum (Pt), manganese (Mn) and a second support material; and a substrate having an inlet end and an outlet end.
Public/Granted literature
- US20150202600A1 DIESEL OXIDATION CATALYST AND EXHAUST SYSTEM Public/Granted day:2015-07-23
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