Sterile hydrophobic polytetrafluoroethylene membrane laminate

Details Sterile hydrophobic polytetrafluoroethylene membrane laminate Sterile hydrophobic polytetrafluoroethylene membrane laminate

1990-03-07

1991-08-06

Spitzer, Robert

Gas separation

Means within gas stream for conducting concentrate to collector

55159, 156162, 156289, 1563096, 428480, B01D 5322, B01D 7148

Patent

active

050374575

ABSTRACT:
A gamma radiation sterilized membrane laminate is provided comprising a porous polytetrafluoroethylene membrane directly laminated to a porous polyester web substrate. The laminate is hydrophobic and has a burst strength when unsupported of at least 10 psi in both the forward and reverse direction of filtration after the laminate is exposed to radiation.

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