Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1977-05-11
1978-07-18
Sever, Frank
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
23230B, 232585R, 23259, 128 2F, 128 2G, 233 1A, 210515, 210516, 210518, B01D 2126
Patent
active
041014227
ABSTRACT:
Copolyesters are provided which are derived from mixed dibasic acids and a branched-chain diol. These copolyesters possess a unique balance of physical and chemical characteristics which permits their use in small amounts in blood separation tubes to provide an effective barrier between the light and heavy phases of the blood after centrifuging.
REFERENCES:
patent: 3852194 (1974-12-01), Zine
Braun Robert J.
Lamont James
Baracka Gerald A.
Emery Industries Inc.
Rice John D.
Sever Frank
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