A filtration device is provided which includes a housing containing a porous membrane formed of a porous membrane substrate having its exposed surface completely modified with a perfluorocarbon copolymer composition. The porous membrane has substantially the same permeability as the porous membrane ...http://www.google.fr/patents/US5976380?utm_source=gb-gplus-shareBrevet US5976380 - Article of manufacture including a surface modified membrane and process
Article of manufacture including a surface modified membrane and process
