Compositions – Compositions containing a single chemical reactant or plural... – Organic reactant
Patent
1988-08-31
1990-02-06
Hunt, Brooks H.
Compositions
Compositions containing a single chemical reactant or plural...
Organic reactant
25218637, 25218636, 25218725, 25218726, 252550, 252106, D06L 308, C11D 3395, A61L 216, A01N 3304
Patent
active
048986810
ABSTRACT:
Dilute aqueous sodium hypochlorite solution is stabilized against decomposition during storage by incorporating in it a small proportion of the calcium chelate of disodium ethylenediaminetetraacetic acid. The solution preferably contains by weight at least 95 percent water, from 0.25 to 1 percent sodium hypochlorite, and from 0.005 to 0.25 percent of the calcium chelate. It may be stored for a period of many months and remains effective as a disinfectant for medical environmental surfaces. The solution may also be formulated to contain a synthetic detergent, such as sodium lauryl sulfate, 0.1 to 3 percent, and an alkaline builder, such as sodium metasilicate, to maintain a pH value above 11. Sodium hydroxide may be added to produce a pH above 12.
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patent: 2988514 (1961-06-01), Robson et al.
patent: 3170883 (1965-02-01), Owen et al.
patent: 4011172 (1977-03-01), Marsan et al.
patent: 4071463 (1978-01-01), Steinhauer
patent: 4164477 (1979-08-01), Whitley
patent: 4259200 (1981-03-01), Sims et al.
patent: 4287080 (1981-09-01), Siklosi
patent: 4302350 (1981-11-01), Callicott
patent: 4497725 (1985-02-01), Smith et al.
MMWR, Morbidity and Mortality Weekly Report, Aug. 21, 1987 p. 10S.
The Dow Chemical Company "Keys to Chelation", 1980 pp. 1.5, 1.6, 2.15, 2.16, 6.3 A Looseleaf catalog of the VERSENE family of chelating agents.
Caress Virginia B.
Hunt Brooks H.
Yates William Miller
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