Liquid purification or separation – Casing divided by membrane into sections having inlet – Cylindrical membrane
Reexamination Certificate
2006-01-17
2006-01-17
Drodge, Joseph (Department: 1723)
Liquid purification or separation
Casing divided by membrane into sections having inlet
Cylindrical membrane
C096S008000, C096S010000, C210S500230, C210S500280, C210S500360
Reexamination Certificate
active
06986844
ABSTRACT:
Solvent-resistant polybenzimidazole membranes, methods of making them and crosslinking them and composite membranes and hollow fiber membrane modules from them are disclosed.
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Barss Robert P.
Friesen Dwayne T.
McCray Scott B.
Pearson Kendall R.
Ray Roderick J.
Bend Research Inc.
Chernoff Vilhauer McClung & Stenzel LLP
Drodge Joseph
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