Liquid purification or separation – Processes – Chemical treatment
Patent
1988-06-29
1989-10-17
Wyse, Tom
Liquid purification or separation
Processes
Chemical treatment
210909, 210911, C02F 158
Patent
active
048745324
ABSTRACT:
N,N'-dihalo-2-imidazolidinones are described as decontaminants for toxic chemical agents such as the sulfur mustards. Decontamination is effected by contacting the toxic chemical agent with a decontaminating amount of the N,N'-dihalo-2-imidazolidinone, e.g., 1,3-dichloro-4,4,5,5-tetramethyl-2-imidazolidinone.
REFERENCES:
patent: 4659484 (1987-04-01), Worley et al.
patent: 4681948 (1987-07-01), Worley
patent: 4698165 (1987-10-01), Theyson
patent: 4767542 (1988-08-01), Worley
patent: 4775484 (1988-10-01), Schmidt et al.
patent: 4784699 (1988-11-01), Cowsar et al.
patent: 4797128 (1989-01-01), Fowler
PPG Industries Inc.
Stein Irwin M.
Wyse Tom
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