CONTINUOUSLY SEALING ONE WAY VALVE ASSEMBLY AND FLUID DELIVERY SYSTEM AND FORMULATIONS FOR USE THEREIN
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United States of America Patent
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-
N/A
Issued Date -
Sep 3, 2009
app pub date -
Nov 3, 2006
filing date -
Nov 3, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A reusable continuously sealing one-way valve assembly and delivery system flows a sterile flowable substance from a source to an outlet orifice and prevents any backflow of contaminants through the continuously sealing one way valve assembly when the flowable substance ceases to flow. The valve assembly includes an elastomeric membrane which aids in preventing any backflow of contaminants when dispensing of the flowable substance is stopped. Multiple dosing of preservative-free flowable substance is provided.
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