Composite filter material
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United States of America Patent
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Nov 5, 1996
Grant Date -
N/A
app pub date -
Jun 18, 1993
filing date -
Jun 22, 1992
priority date (Note) -
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Abstract
A layered composite material for filtration having a filter layer, a buffer layer, and a support, layer. The buffer layer is a material more compressible and extensible than the support layer and imparts strength and durability to the composite material.
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