Disinfecting with N,N'-dihaloimidazolidin-4-ones

Details Disinfecting with N,N'-dihaloimidazolidin-4-ones Disinfecting with N,N'-dihaloimidazolidin-4-ones

1991-06-28

1992-06-30

Wyse, Thomas

Liquid purification or separation

Processes

Chemical treatment

210764, 71 67, 162161, 422 37, C02F 150

Patent

active

051260573

ABSTRACT:
Method for disinfecting a liquid medium or hard surface containing undesired halogen-sensitive micro-organisms by treatment with substituted N-halo derivatives of imidazolidin-4-ones having substituents at the 2 and 5 positions of the imidazolidin-4-one ring, including N-chloro, N-bromo, N,N'-dichloro, N,N'-dibromo, and N,N'-bromochloro derivatives of imidazolidin-4-ones having substituents selected from hydrogen, alkyl, alkoxy, hydroxy, phenyl, substituted phenyl, or spiro-substitution at the 2 and 5 positions on the ring. These N-halo compounds are stable, noncorrosive biocides which are resistant to direct sunlight, and are useful as disinfectants, sanitizers, and algae inhibitors.

REFERENCES:
patent: 4681948 (1987-07-01), Worley
patent: 4767542 (1988-08-01), Worley
Tsao, T. C. et al., "Novel N-halamine Disinfectant Cmpds.", Biotechnology Progress, vol. 7(1), pp. 60-66 (1991).

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