Delayed hydrolysis of metal phosphides
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United States of America Patent
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-
Jan 16, 1990
Grant Date -
N/A
app pub date -
Dec 29, 1987
filing date -
Jan 5, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An alkaline earth or alkaline earth metal phosphide-based hydrogen phosphide generating pest control agent with a moisture-permeable coating thereon for delaying the gas generation which is formed from moisture-pervious, solid, organic materials and which completely envelops the hydrogen phosphide generating composition. The moisture permeability of the coating is controlled to delay the onset of hydrogen phosphide generation for a desired period of several hours up to one month.
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