B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
183/109, 154/90.
B01D 39/16 (2006.01)
Patent
CA 1110980
Abstract of the Disclosure A layer of open cell polyurethane foam adhered to a layer of a non-woven fibrous material of fine porosity relative to the foam results in an efficient fluid (e.g., air) filtering medium having a high capacity for retaining particulate contaminants. The combined layers are useful as an air filter element.
288838
Fischman Kurt
Offer Robert
Rudner Bernard
Shepard David
Smart & Biggar
Tenneco Chemicals Inc.
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