Sorbents for coal combustion
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United States of America Patent
Stats
-
May 5, 2020
Grant Date -
Mar 28, 2019
app pub date -
Nov 30, 2018
filing date -
Mar 17, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Sorbent compositions containing calcium and iodine are added to coal to mitigate the release of mercury and/or other harmful elements into the environment during combustion of coal containing natural levels of mercury.
First Claim
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International Classification(s)
- 2018 Application Filing Year
- F23J Class
- 62 Applications Filed
- 35 Patents Issued To-Date
- 56.46 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- F23J Class
- 0 % this patent is cited more than
- 5 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 | Nov 5, 2027 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 5, 2031 |
