Method for the manufacture of a contact body for the exchange of moisture or heat
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United States of America Patent
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Mar 19, 1996
Grant Date -
N/A
app pub date -
Apr 26, 1994
filing date -
Nov 8, 1991
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Abstract
A method for treating a contact body for the exchange of heat or moisture comprises impregnating a contact body with waterglass and treating the impregnated body in acidic and basic environments to form a controlled pore structure.
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