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Danan Dou
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Tulsa, OK, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method of making a NOx adsorber catalyst
Patent number
7,375,056
Issue date
May 20, 2008
Unicore AG & co. KG
Ming Wei
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Multiple washcoats on filter substrate
Patent number
7,119,044
Issue date
Oct 10, 2006
Delphi Technologies, Inc.
Ming Wei
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
NOx adsorber diagnostics and automotive exhaust control system util...
Patent number
7,111,451
Issue date
Sep 26, 2006
Delphi Technologies, Inc.
Danan Dou
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
NiO catalyst configurations, methods for making NOx adsorbers, and...
Patent number
6,930,073
Issue date
Aug 16, 2005
Delphi Technologies, Inc.
Danan Dou
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
NO2 abatement composition with enhanced sulfur resistance
Patent number
6,468,484
Issue date
Oct 22, 2002
Delphi Technologies, Inc.
Danan Dou
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Dual NOx adsorber catalyst system
Patent number
6,391,822
Issue date
May 21, 2002
Delphi Technologies, Inc.
Danan Dou
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
NOx adsorber diagnostics and automotive exhaust control system util...
Publication number
20060053772
Publication date
Mar 16, 2006
Danan Dou
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Method of making a NOx adsorber catalyst
Publication number
20050020443
Publication date
Jan 27, 2005
Ming Wei
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Multiple washcoats on filter substrate
Publication number
20040254073
Publication date
Dec 16, 2004
Ming Wei
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Diesel exhaust emissions control device and methods of making thereof
Publication number
20040254061
Publication date
Dec 16, 2004
Danan Dou
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
NOx adsorber catalyst configurations and method for reducing emissions
Publication number
20030103886
Publication date
Jun 5, 2003
Danan Dou
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
NiO catalyst configurations, methods for making NOx adsorbers, and...
Publication number
20030086851
Publication date
May 8, 2003
Danan Dou
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Methods to reduce alkali material migration from NOx adsorber washc...
Publication number
20020082164
Publication date
Jun 27, 2002
Danan Dou
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Sulfur trap in NOx adsorber systems for enhanced sulfur resistance
Publication number
20010035006
Publication date
Nov 1, 2001
Danan Dou
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL