Reduced solidity web comprising fiber and fiber spacer or...

Details Reduced solidity web comprising fiber and fiber spacer or... Reduced solidity web comprising fiber and fiber spacer or...

2011-04-05

2011-04-05

Greene, Jason M (Department: 1775)

Gas separation

Two or more separators

Plies or layers of different characteristics or orientation

C055S487000, C055S489000, C055S524000, C055S527000, C055S528000, C264S145000, C264S175000, C264SDIG048

Reexamination Certificate

active

07918913

ABSTRACT:
A web can comprise a substantially continuous fiber mass and a separation means dispersed into the fiber. The web having a preferred thickness resulting from forming a polymer material and a particulate into a fine fiber layer can have a variety of end uses. A filtration media can include a structure comprising such a web of fine fiber and a substantial volume of particulate embodiment of the separation means. The resulting fine fiber structure provides an improved filtration medium having substantial depth, thickness, and a layered structure. The improved properties of the web results from inclusion of the separation or spacer particulate.

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