Coating processes – Foraminous product produced – Microporous coating
Reexamination Certificate
2007-10-29
2011-10-04
Fortuna, Ana M (Department: 1777)
Coating processes
Foraminous product produced
Microporous coating
C210S500380, C210S490000, C210S502100, C210S500250
Reexamination Certificate
active
08029857
ABSTRACT:
Disclosed are compaction resistant thin film composite membranes having a porous polymeric support; a semi-permeable polymer film polymerized on the porous polymeric support; and particles, of a size in the range of microparticles and nanoparticles, dispersed in the porous polymeric support. Also disclosed are methods of making compaction resistant membranes by polymerizing a polymer film on a porous polymeric support with particles of a size in the range of microparticles and nanoparticles dispersed therein, the particles having been selected to improve flux flow characteristics over time of the semi-permeable membrane. Also disclosed are methods of purifying water using the disclosed membranes. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.
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Ghosh Asim K.
Hoek Eric M. V.
Nygaard Jodie M.
Ballard Spahr LLP
Fortuna Ana M
The Regents of the University of California
LandOfFree
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