Catalyst composition and exhaust gas purifying method
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United States of America Patent
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-
Jan 9, 2018
Issued Date -
N/A
app pub date -
Apr 7, 2014
filing date -
Apr 9, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
An exhaust gas purifying catalyst of the present invention includes: a first metal oxide selected from the group of praseodymium oxide, terbium oxide, and a combination thereof; a second metal oxide that is neodymium oxide; a third metal oxide that is zirconia or a combination of zirconia and ceria; and a fourth metal oxide selected from the group of lanthanum oxide, yttrium oxide, barium oxide, calcium oxide, strontium oxide, silicon oxide and a combination thereof.
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International Classification(s)
- 2014 Application Filing Year
- B01J Class
- 3035 Applications Filed
- 2524 Patents Issued To-Date
- 83.17 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- B01J Class
- 0 % this patent is cited more than
- 7 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jul 9, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 9, 2029 |
