Sorbent and devices for capturing, stabilizing and recovering volatile and semi-volatile compounds
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United States of America Patent
Stats
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Oct 4, 2022
Grant Date -
Jun 20, 2019
app pub date -
Dec 18, 2018
filing date -
Apr 24, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention provides an improved sorbent and corresponding device(s) and uses thereof for the capture and stabilization of volatile organic compounds (VOC) or semi-volatile organic compounds (SVOC) from a gaseous atmosphere. The sorbent is capable of rapid and high uptake of one or more compounds and provides quantitative release (recovery) of the compound(s) when exposed to elevated temperature and/or organic solvent. Uses of particular improved grades of mesoporous silica are disclosed.
First Claim
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International Classification(s)
- 2018 Application Filing Year
- F42D Class
- 67 Applications Filed
- 57 Patents Issued To-Date
- 85.08 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- F42D Class
- 90 % this patent is cited more than
- 3 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Apr 4, 2026 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Apr 4, 2030 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Apr 4, 2034 |
