Devices and methods for self-contained controlled release...

Details Devices and methods for self-contained controlled release... Devices and methods for self-contained controlled release...

B - Operations, Transporting

01

F

B01F 13/02 (2006.01) B01F 3/04 (2006.01) B01J 7/00 (2006.01) B01J 19/14 (2006.01)

Patent

CA 2110688

2110688 9221434 PCTABS00017 The present invention is devices and processes for self-contained, time-released mixing of an aqueous solution, having three components: reagent (1) capable of liberating gas in the form of effervescent bubbles without the application of heat; microporous material (2) of predetermined surface hydrophilicity comprising pores generally transverse thereto so as to permit liquid or gas to traverse therethrough when said aqueous solution is added; reaction well (3) of sufficient volume to contain said aqueous solution, said reagent (1) and said microporous material (2), said well (3) comprising said reagent (1) and said microporous material (2) positioned such that upon addition of said aqueous solution, said aqueous solution permeates said microporous material (2), contacts said reagent (1), resulting in the formation of effervescent bubbles which are released through said microporous material (2).

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