Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1975-04-16
1977-07-19
Spear, Jr., Frank A.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
210500M, B01D 1300
Patent
active
040367487
ABSTRACT:
An asymmetric semipermeable membrane of a homo- or co-polybenz-1,3-oxazine dione-(2,4).
REFERENCES:
patent: 3526588 (1970-09-01), Michaels et al.
patent: 3553304 (1971-01-01), Reese et al.
patent: 3686116 (1972-08-01), Rio
Binsack Rudolf
Bottenbruch Ludwig
Knickel Birger
Rosenkranz Hans Jurgen
Rudolph Hans
Bayer Aktiengesellschaft
Spear, Jr. Frank A.
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