Process for the production of formed members for the disinfection of water
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United States of America Patent
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Jun 7, 1988
Issued Date -
N/A
app pub date -
Mar 25, 1986
filing date -
Apr 2, 1981
priority date (Note) -
Expired
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Abstract
A process for the production of a prolonged release shaped product for the disinfection of water or aqueous solutions which comprises shaping, by deformation at a pressure of at least 8000 kg/cm.sup.2, at least one difficulty soluble metal compound having microbicidal activity into shaped form, and treating the compound in a manner which produces an outer metal oxide layer on the surface of the shaped product which is readily soluble in water wherein the readily soluble metal oxide layer of the shaped product provides an initial source of microbicidal activity, and the difficulty soluble metal compound provides a prolonged release source of microbicidal activity.
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