Exhaust gas purification method using selective reduction catalyst
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United States of America Patent
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N/A
Issued Date -
Oct 29, 2009
app pub date -
Apr 23, 2009
filing date -
Apr 28, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An exhaust gas purification method which is capable of purifying nitrogen oxide to be included in exhaust gas from a lean burn engine such as a boiler, a gas turbine or a lean-burn-type gasoline engine, a diesel engine, effectively, in particular, even at low temperature, with spray-supplying an aqueous solution of urea as the reducing component to the selective reduction catalyst.
First Claim
Other Claims data not available
Family
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| Country | kind | publication No. | Filing Date |
|---|---|---|---|
| JP | A | JP2009262098 | Apr 28, 2008 |
| EP | A2 | EP2113296 | Apr 16, 2009 |
| US | B2 | US9079162 | Apr 08, 2011 |
International Classification(s)
- 2009 Application Filing Year
- B01D Class
- 2677 Applications Filed
- 1869 Patents Issued To-Date
- 69.82 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 12 Citation Count
- B01D Class
- 60.66 % this patent is cited more than
- 16 Age