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US 12,766,768 B2Granted
Filter media and related foam forming methods
AssigneeHollingsworth & Vose Company
InventorsThomas Petri, Julia Anuscha Kronawitt, Michael Arnulf Hermann Neukirch
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Abstract
Filter media and related methods of foam forming the filter media are generally described herein.
Claims21
A filter media, comprising:
- a fiber web comprising a plurality of pores,
- wherein the filter media has a pore permeability index (PPI) of greater than or equal to 0.2 and less than or equal to 4.0, and wherein greater than or equal to 15% of pores of the plurality of pores have an average size of less than or equal to 1 micrometer.
Dependencies are inferred from the claim text.