Special receptacle or package – With moisture absorbent
Patent
1989-08-09
1991-04-23
Nozick, Bernard
Special receptacle or package
With moisture absorbent
55275, 55387, 53440, 53474, 206444, 206309, B65D 8126
Patent
active
050093088
ABSTRACT:
A controlled rate adsorbent unit including an adsorbent and a heat-shrunk casing of porous material having a predetermined water vapor transmission rate encasing the adsorbent for prolonging the water vapor adsorption time of the adsorbent. The controlled rate adsorbent unit may be in the shape of a recording disc or it may be in the shape of a three-dimensional solid with the heat-shrunk casing stretched tightly thereover. A method of fabricating a controlled rate adsorbent unit including the steps of providing an adsorbent material, heating the adsorbent material to dry off moisture therefrom, providing a porous material having a controlled water vapor transmission rate, sealing the adsorbent material in a casing of the porous material, heat-shrinking the porous material about the adsorbent, and storing the sealed adsorbent material in a moisture barrier package.
REFERENCES:
patent: 3990872 (1976-11-01), Cullen
patent: 4433024 (1984-02-01), Elan
patent: 4488645 (1984-12-01), Yamaguchi
patent: 4517308 (1985-05-01), Ehlenz et al.
patent: 4614528 (1986-09-01), Lennen
patent: 4654057 (1987-03-01), Rhodes
patent: 4830643 (1989-05-01), Sassa et al.
Cullen John S.
Incorvia Samuel A.
Nigon Christopher S.
Vaylen Nicholas E.
Multiform Desiccants, Inc.
Nozick Bernard
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