Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – By treating occluded solids
Patent
1990-10-22
1992-02-18
Spear, Frank
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
By treating occluded solids
21050023, 21050028, 427245, B01D 6700
Patent
active
050891928
ABSTRACT:
Asymmetric, semipermeable membranes cast from a solution comprised of poly(aryletherketone) dissolved in a strongly protic non-reactive acid.
REFERENCES:
patent: 4904426 (1990-02-01), Lundgard et al.
Ionics Incorporated
Saliba Norman E.
Spear Frank
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