Sintered porous plastic liquid barrier media and applications thereof
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United States of America Patent
Stats
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Jun 21, 2016
Issued Date -
N/A
app pub date -
Mar 25, 2014
filing date -
Jun 15, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
This application discloses porous self-sealing media comprising a sintered mixture of an absorbent material and a thermoplastic. The self-sealing media block passage of organic solvents or organic solvents in aqueous mixtures, wherein the organic solvents are at concentrations greater than about 40%. The self-sealing media also block acidic solutions. The self-sealing media are useful in a variety of applications such as a pipette tip filter, in line filter, vent, non-mechanical check valve, safety valve, and suction canister.
First Claim
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International Classification(s)
- 2014 Application Filing Year
- C08J Class
- 1723 Applications Filed
- 1369 Patents Issued To-Date
- 79.46 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 3 Citation Count
- C08J Class
- 26.66 % this patent is cited more than
- 9 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 21, 2027 |
