Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Using disinfecting or sterilizing substance
Patent
1993-07-12
1994-09-27
Alexander, Lyle A.
Chemical apparatus and process disinfecting, deodorizing, preser
Process disinfecting, preserving, deodorizing, or sterilizing
Using disinfecting or sterilizing substance
422 16, 252 99, 25217414, 25217419, C11D 712
Patent
active
053505638
ABSTRACT:
Sodium perborate is mixed with a mixture, preferably a 1:1 mixture, of a rapid acetylating agent, e.g. TAED, and a slow acetylating agent, e.g. acetylsalicylic acid, in water to form a biocidally effective peracetic acid solution. When sodium perborate and TAED alone react in water, peracetic acid is produced quickly but has relatively little stability and a short useful life (curve 10). When sodium perborate and acetylsalicylic acid are mixed in water, the peracetic acid solution takes an extended duration to reach maximum efficacy, but is stable for an extended duration (curve 12). The mixture of rapid and slow acetylating agents quickly produces a stable peracetic acid concentration (curve 14).
REFERENCES:
patent: 5015408 (1991-05-01), Reuss
patent: 5116575 (1992-05-01), Badertscher et al.
"Desinfectant Effect of Persteril In Combination With Detergents/", V. Melichercikova, Journal of Hygiene, Epidermiology, Microbiology and Immunology, 33, 1989, No. 1, 19-28.
"Studies Conerning the Mechanism of Bleaching Activation", Hauthal et al., Tenside Surf. Det., 27, (1990), 3, pp. 187-193.
"Effect of pH on Sproicidal and Microbicidal Activity of Buffered Mixtures of Alcohol and Sodium Hypochlorite", Death, et al., J. of Clinic Pathology, 1979, 32, 148-153.
Kralovic Raymond C.
Levin David Z.
Lindeman Lorraine D. H.
Alexander Lyle A.
Steris Corporation
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