Clarification basin membrane
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United States of America Patent
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Jul 25, 2006
Grant Date -
Mar 3, 2005
app pub date -
Dec 14, 2002
filing date -
Dec 22, 2001
priority date (Note) -
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Abstract
A clarification basin membrane made of a polymeric, in particular, elastomeric material, which is rendered gas-permeable by a perforation, whereby a permanent gas permeability is effected by mixing a wast water biologically active inhibitor with the polymeric material.
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