Liquid purification or separation – Processes – Separating
Patent
1980-03-19
1981-10-13
Therkorn, Ernest G.
Liquid purification or separation
Processes
Separating
210359, 210516, 210927, 23230B, 422101, 233 1A, 233 26, B01D 2126
Patent
active
042947073
ABSTRACT:
Disclosed is a method for centrifuging serum which comprises steps of introducing a barrier having an elastic porous member at least at its principle part into a blood-collecting tube and centrifuging serum, the elastic porous member having porosity of 40% or more, continuous-pore size of 50 to 400 .mu., and a cross section larger than that of the blood-collecting tube. Also disclosed is a barrier to be introduced into a blood-collecting tube, comprising an elastic porous member having porosity of 40% or more, continuous-pore size of 50 to 400 .mu., and a cross section larger than that of the blood-collecting tube, the bottom portion of the elastic porous member preferably being a relatively hard portion with smaller outside diameter.
REFERENCES:
patent: 3508653 (1970-04-01), Coleman
patent: 3894950 (1975-07-01), Ayres
patent: 3894951 (1975-07-01), Ayres
patent: 3931018 (1976-01-01), North
patent: 3972812 (1976-08-01), Gresel
patent: 4052320 (1977-10-01), Jakubowicz
patent: 4134832 (1979-01-01), Heimeeid
patent: 4154690 (1979-05-01), Ballies
patent: 4202769 (1980-05-01), Greenspun
Ikeda Tatsuhiko
Terada Soichiro
Terumo Corporation
Therkorn Ernest G.
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