Dewatering process, procedure and device
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United States of America Patent
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-
Aug 19, 1986
Grant Date -
N/A
app pub date -
Jul 9, 1984
filing date -
Nov 12, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Use of an application of foam to air permeable sheet material by a variety of mechanical or pressure applied means in order to cause or allow the foam to enter the interstices of the material. The foam contains as an essential integer an agent capable of lowering the surface tension of the foaming liquid thereby effecting a dewatering/drying action on the material greater than that than would otherwise be applied.
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