Control of protozoa and protonzoan cysts that harbor Legionella

A method of controlling protozoa trophozoite and cysts is disclosed, comprising administering a phosphonium salt of the formula: (R1)3P-R2.X-, wherein R1 is an alkyl group having from 1-8 carbons and R2 is a chain substituent having 6-20 carbons, to aqueous systems harboring protozoa trophozoites an...

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Bibliographische Detailangaben
Hauptverfasser:	WILSON K. WHITEKETTLE, GLORIA J. TAFEL
Format:	Patent
Sprache:	eng
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES FISHING FORESTRY HUMAN NECESSITIES HUNTING HYGIENE MEDICAL OR VETERINARY SCIENCE PEST REPELLANTS OR ATTRACTANTS PLANT GROWTH REGULATORS PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF TRAPPING
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Beschreibung
Zusammenfassung:	A method of controlling protozoa trophozoite and cysts is disclosed, comprising administering a phosphonium salt of the formula: (R1)3P-R2.X-, wherein R1 is an alkyl group having from 1-8 carbons and R2 is a chain substituent having 6-20 carbons, to aqueous systems harboring protozoa trophozoites and cysts. Addition of such phosphonium salts to aqueous systems was found to be effective at killing both the protozoa trophozoites and cysts. By effectively killing both the protozoa trophozoites and cysts, organism such as Legionella cells harbored in both the trophozoites and cysts are killed.