Bottles and jars – Closures – Barrier permeable to gas and impermeable to liquid
Patent
1999-03-10
2000-08-01
Newhouse, Nathan J.
Bottles and jars
Closures
Barrier permeable to gas and impermeable to liquid
215308, 4352971, 422101, C12M 124, B65D 5116
Patent
active
06095356&
ABSTRACT:
A vented flask cap having a body portion with proximal and distal ends with a generally cylindrical sidewall extending from the proximal end to the distal end of first and second support plates are formed at the proximal end of the body portion and having a plurality of apertures extending therethrough; a filter assembly is also provided which includes a first, lower membrane having a first porosity, a second, upper membrane having a second porosity and a radiation absorbing material disposed between the first and second membranes.
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Children's Medical Center Corp.
Newhouse Nathan J.
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