B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 39/14 (2006.01) B01D 39/08 (2006.01) B01D 39/20 (2006.01) B01D 46/54 (2006.01) B32B 5/22 (2006.01) D04H 11/00 (2006.01) D04H 13/00 (2006.01)
Patent
CA 2183704
A filter composite comprising a first layer of glass fibers having random orientation, the layer being porous to gas flow therethrough; a porous mat of sufficient stiffness as to support the glass fiber layer during use as a filter, the mat consisting of compacted glass fibers, and; an additional porous layer carried by the mat to block escape of glass fibers or particles from the filter composite during gas flow therethrough. The first layer fibers have diameters between about .000035 and .00015 inch.
Gowling Lafleur Henderson Llp
Pfeffer Jack R.
Upf Corporation
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