Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Using direct contact steam to disinfect or sterilize
Patent
1986-10-17
1988-07-26
Richman, Barry S.
Chemical apparatus and process disinfecting, deodorizing, preser
Process disinfecting, preserving, deodorizing, or sterilizing
Using direct contact steam to disinfect or sterilize
422 3, 422110, 422116, 422295, A61L 206, A61L 208
Patent
active
047599090
ABSTRACT:
Methods and apparatus for steam sterilization in which goods are conditioned by removing air and heated to a desired temperature in a chamber. The goods are subjected to a plurality of pressure pulses at above atmospheric pressure by alternate pressurization and venting of the chamber to atmospheric pressure. At the beginning of the process and following pressurization pulses, at or slightly above atmospheric pressure air is flushed from the chamber with steam prior to pressurization. Upon removal of air from the load and the chamber sterilizing environment, the chamber is pressurized until a selected pressure related sterilization temperature is reached. After a timed exposure period, the sterilizing chamber is vented to atmospheric pressure and a vacuum is created in the sterilizing chamber to dry the load.
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Johnston Jill
Joslyn Valve Corp.
Lukacher Martin
Richman Barry S.
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