Invention Grant
- Patent Title: Exhaust system having a gold-platinum group metal catalyst
- Patent Title (中): 具有金 - 铂族金属催化剂的排气系统
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Application No.: US13267237Application Date: 2011-10-06
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Publication No.: US08236261B2Publication Date: 2012-08-07
- Inventor: Christie Susan Ragle , Ronald G. Silver , Svetlana Mikhailovna Zemskova , Colleen J. Eckstein
- Applicant: Christie Susan Ragle , Ronald G. Silver , Svetlana Mikhailovna Zemskova , Colleen J. Eckstein
- Applicant Address: US IL Peoria
- Assignee: Caterpillar Inc.
- Current Assignee: Caterpillar Inc.
- Current Assignee Address: US IL Peoria
- Agency: Finnegan, Henderson, Farabow, Garrett & Dunner LLP
- Main IPC: B01D46/00
- IPC: B01D46/00 ; B01D53/56 ; B01D53/62 ; B01D53/72 ; B01D53/94
Abstract:
A method of providing an exhaust treatment device is disclosed. The method includes applying a catalyst including gold and a platinum group metal to a particulate filter. The concentration of the gold and the platinum group metal is sufficient to enable oxidation of carbon monoxide and nitric oxide.
Public/Granted literature
- US20120051992A1 EXHAUST SYSTEM HAVING A GOLD-PLATINUM GROUP METAL CATALYST Public/Granted day:2012-03-01
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