Invention Application
- Patent Title: LAYERED CATALYSTS FOR GASOLINE ENGINE EXHAUST
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Application No.: US15390373Application Date: 2016-12-23
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Publication No.: US20170189892A1Publication Date: 2017-07-06
- Inventor: Qinghua YIN , Xiwang QI , Bryant KEARL , Maximilian A. BIBERGER
- Applicant: SDCmaterials, Inc.
- Main IPC: B01J23/63
- IPC: B01J23/63 ; F01N3/10 ; B01J37/02 ; B01D53/94 ; B01J35/00 ; B01J35/02
Abstract:
The present invention relates to coated substrates useful in catalytic converters. The coated substrates can have two washcoat layers, and in some embodiments, the first washcoat layer is divided into two zones. The substrates can be used in catalytic converters and emission control systems for treatment of exhaust gases from gasoline engines.
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