Liquid purification or separation – Casing divided by membrane into sections having inlet – Planar membrane
Patent
1988-07-19
1990-02-20
Spear, Frank
Liquid purification or separation
Casing divided by membrane into sections having inlet
Planar membrane
210445, 210447, B01D 1300
Patent
active
049024159
ABSTRACT:
A filtration apparatus suitable for use in peridural anesthesia formed of two mating sections and a membrane positioned between and supported by the sections. Each section has an liquid inlet or liquid outlet and are joined together to form a chamber therebetween. The membrane is positioned at an angle between about 5.degree. and 15.degree. relative to the axes of the inlet and outlet.
REFERENCES:
patent: 4422939 (1983-12-01), Sharp et al.
patent: 4690757 (1987-09-01), Mathus et al.
Cook Paul J.
Karnakis Andrew T.
Millipore Corporation
Spear Frank
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