Membranes of (per)fluorinated amorphous polymers
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United States of America Patent
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Apr 27, 2004
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N/A
app pub date -
May 24, 2000
filing date -
May 25, 1999
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Abstract
Porous membranes of (per)fluorinated amorphous polymers having a porosity in the range 5-500 nm, preferably 20-100 nm, measured by an atomic force electronic microscope; the membrane pore average size distribution being narrow, about 80%-90% of the pores have a size ranging from minus 5 nm to plus 5 nm of the value of the distribution maximum peak.
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