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AssigneesCelgard, LLC, Daramic, LLC
InventorsChad Graves, Andrew Goodby, Celine Chan, J. Kevin Whear, Matt Wolski, Margaret Roberts, Daniel R. Alexander
Estimating the term…
In one aspect, a device for absorbing a liquid is provided, the device comprising one or more layers of a polyolefin. The device may be configured as a microporous membrane comprising one or more layers of a polyolefin and can further be configured to absorb an oil while also allowing water to pass through or to absorb oil while repelling or not allowing water to pass through. The device may be configured as at least one of a sheet, a strip, a roll, pleated, embossed, ribbed, and patterned. The device may further be configured as a floor covering or mat.
An absorption device comprising:
3-45. (canceled)
The device of claim 3, wherein the filler is at least one of a hydrophobic siliceous filler, a hydrophilic siliceous filler, or combinations thereof.
The device of claim 9, wherein the oil is recoverable by at least one of compression and extraction.
The device of claim 12, wherein the floor covering or mat is at least one of non-slip or non-skid, anti-fatigue, anti-static, and dirt or soil removing.
The method of claim 16, wherein the oil is contacted with the device.
The method of claim 16, wherein the device is contacted with oil.
A method of using the device of claim 12, comprising a step of providing the floor covering or floor mat onto a floor and leaving it on the floor for at least one day, for at least one week, or for at least one month.
An absorption device comprising at least one of:
A composite or laminate absorption device comprising:
The device of claim 5, wherein the plasticizing agent is present in an amount of 25% or less.
Dependencies are inferred from the claim text.