Dehumidifying pouch

Details Dehumidifying pouch Dehumidifying pouch

1997-10-01

1999-06-01

Bennett, Henry

Drying and gas or vapor contact with solids

Apparatus

For diverse operations on treated material

34 80, 34 95, F26B 1900

Patent

active

059079088

ABSTRACT:
A dehumidifying pouch comprising a container having a moisture-absorption compartment and a collection compartment, the moisture-absorption compartment comprising semi-permeable material that encloses a deliquescent desiccant material and an optional deodorizing material. The collection compartment comprises walls made of a moisture impervious material. The collection compartment is connected to the moisture-absorption compartment, preferably by a broken seal, so that liquids from the moisture-absorption compartment can be transferred to the collection compartment of the pouch. The semi-permeable material can comprise polyethylene or expanded polytetrafluoroethylene, individually or a combination thereof. The moisture impervious compartment can comprise either polyethylene film or polypropylene film. Alternatively, the dehumidifying pouch is comprised of one compartment having a moisture-absorption section and a moisture collection section. The dehumidifying pouch is non-spillable under normal use conditions and is disposable.

REFERENCES:
patent: 4588505 (1986-05-01), Walley et al.
patent: 5148613 (1992-09-01), Cullen
patent: 5324448 (1994-06-01), Mayeaux
patent: 5657866 (1997-08-01), Kaneko et al.
patent: 5660868 (1997-08-01), Yeager
patent: 5675911 (1997-10-01), Moser

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