Liquid membrane capsule systems resistant to coalescence by mean

Details Liquid membrane capsule systems resistant to coalescence by mean Liquid membrane capsule systems resistant to coalescence by mean

1979-01-22

1981-01-13

Spear, Jr., Frank A.

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

128213A, 210643, 252352, 210646, 210648, 2103213, B01D 3100, B01D 1300, A61M 103

Patent

active

042448166

ABSTRACT:
The instant invention relates to liquid membrane capsule system (LMCS) which are made resistant to coalescence by means of an irreversible coating material present in the suspension phase. LMCS having this irreversible coating material are stable (i.e. resist coalescence) over relatively long periods of time with little or no applied agitation. These irreversibly coated LMCS can be pumped for long periods, are resistant to bile, pancreatin and solid matter and maintain their initial size distribution.
The instant invention relates to methods of preparing the irreversibly coated LMCS.
The LMCS of the instant invention exhibit resistance to rupture during pumping and passage over packing materials, such as glass beads or charcoal, thus making them of use in medical treatment processes such as renal dialysis and in the equipment used for such processes.

REFERENCES:
patent: 2773027 (1956-12-01), Powers
patent: 3608729 (1971-09-01), Haselden
patent: 3703959 (1972-11-01), Raymond
patent: 3714063 (1973-01-01), Salomone
patent: 3825493 (1974-07-01), Brown et al.
patent: 3969265 (1976-07-01), Singhal et al.
patent: 4014785 (1977-03-01), Li et al.

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