Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Using disinfecting or sterilizing substance
Patent
1984-01-18
1987-01-20
Lacey, David L.
Chemical apparatus and process disinfecting, deodorizing, preser
Process disinfecting, preserving, deodorizing, or sterilizing
Using disinfecting or sterilizing substance
422 27, 422295, A01N 2700, A61L 220
Patent
active
046379169
ABSTRACT:
A sterilization method comprising subjecting a sterilization chamber to an initial vacuum and then introducing steam to increase chamber pressure. The introduction of steam is interrupted and the chamber is brought into communication with a solution in a gaseous sterilant generator. The mixture of gaseous sterilant and chamber atmosphere are continuously circulated whereby equilibrium is established and the material to be sterilized is subject to constant temperature, pressure, sterilant concentration, and relative humidity for a period of time sufficient for sterilization. Also disclosed is an apparatus capable of performing the sterilization method comprising a sterilization chamber in combination with a gaseous sterilant generator. Formaldehyde is the preferred sterilizing agent.
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"Studies the Use of Low Concentration of Formaldehyde with Steam at Sub-Atmospheric Pressures as a Method of Sterilising Non-Porous Heat Sensitive Items", Weymes et al., Greater Glasgow Health Board Sterilization Center, Aug. 1975.
Pickerill, J. K., "Practical System for Steam-Formaldehyde Sterilizing", Lab. Pract. (GB); vol. 24; No. 6; 6/75; pp. 401-404.
Gillard Jean
Hennebert Pierre
Roland Michel
Heaney Brion P.
Lacey David L.
Manufacture Belge de Gembloux S.A.
Universite Catholique de Louvain
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