US2016310933A1PendingUtilityA1

Catalyst for low temperature emission control and methods for using same

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Assignee: UT BATTELLE LLCPriority: Apr 23, 2015Filed: Apr 21, 2016Published: Oct 27, 2016
Est. expiryApr 23, 2035(~8.7 yrs left)· nominal 20-yr term from priority
Inventors:James E. Parks, IiSheng DaiTodd J. ToopsAndrew J. Binder
B01J 2235/10B01J 2235/30B01J 2235/00B01J 23/83B01J 35/0006B01J 23/42B01J 23/894Y02A50/20B01J 37/03B01D 53/944F01N 3/103B01J 2523/17B01J 23/002B01J 2523/00B01J 37/04B01J 2523/845B01J 37/035B01D 2255/20746B01D 2255/20761B01J 2523/3712B01D 2255/102B01D 2255/2065B01J 35/19
61
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Claims

Abstract

The invention provides a composite catalyst containing a first component and a second component. The first component contains a ternary mixed metal oxide. The second component contains a platinum group metal. The composite catalyst is useful for catalyzing the low temperature oxidation of carbon monoxide and hydrocarbons.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A composite catalyst comprising:
 a. a first component comprising a ternary mixed metal oxide; and   b. a second component comprising a platinum group metal.   
     
     
         2 . A composite catalyst according to  claim 1 , wherein the composite catalyst catalyzes the oxidation of CO to CO 2  at or around 150° C. 
     
     
         3 . A composite catalyst according to  claim 1 , wherein the platinum group metal is selected from the group consisting of ruthenium, rhodium, palladium, osmium, iridium, platinum, and combinations thereof. 
     
     
         4 . A composite catalyst according to  claim 1 , wherein the ternary mixed metal oxide comprises cerium oxide. 
     
     
         5 . A composite catalyst according to  claim 1 , wherein the ternary mixed metal oxide comprises copper oxide. 
     
     
         6 . A composite catalyst according to  claim 1 , wherein the ternary mixed metal oxide comprises cobalt oxide. 
     
     
         7 . A component in an exhaust system in an engine comprising the composite catalyst of  claim 1 . 
     
     
         8 . An emission control system comprising the composite catalyst of  claim 1 . 
     
     
         9 . A motor vehicle comprising the composite catalyst of  claim 1 .

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