Process for cleaning containers
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United States of America Patent
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Nov 10, 1998
Grant Date -
N/A
app pub date -
Sep 19, 1996
filing date -
Sep 22, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
A method of cleaning a reusable container includes the steps of (1) pre-rinsing the container with a pre-rinse fluid; (2) chemically cleaning the container; (3) post-rinsing the container with a post-rinse fluid; (4) introducing a contaminate indicator into the container prior to the step of post-rinsing; and (5) testing the post-rinse fluid for the presence of the contaminate indicator during at least a portion of the post-rinsing step. A number of alternative embodiments employ various contaminate indicators which may be introduced into the container at various points during the cleaning process.
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