| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 03.00 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Selectively Permeable Sepn Module system production process (a) Forming polymer soln (b) Pouring said soln into plurality of porous tubes comprising a tubular module, each of said porous tubes having a cap at one end (c) Capping the other end of each of the porous tubes so that the ends of the tube are sealed from the ambient environment (d) Aligning the longitudinal axis of the tubular module in a horizontal position (e) Rotating the aligned tubular module about its longitudinal axis at speed < 60 rpm so that the polymer soln solvent evaporates through the porous wall tubes to provide a polymer film having a uniform thickness on the inside surface of the porous wall tubes, the polymer film & porous wall tubes therebty constituting the permeate filter system (f) Removing the caps at each end of each of the porous tubes |
| PATENT PHOTOCOPY | Available on request |
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