PRESERVATIVE SYSTEM FOR EMULSION-BASED THERAPEUTIC TOPICAL FORMULATIONS

A topical formulation that inhibits the growth of microorganisms comprises an effective amount of an insecticide dissolved in an oil phase comprising a water-miscible or water-soluble surface active agent, a suspending agent, and a non-ionic surfactant, and an aqueous phase comprising one or more pr...

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Bibliographische Detailangaben
Hauptverfasser:	SPRING, Nicholas, DELANEY, Edward, J
Format:	Patent
Sprache:	eng ; fre ; ger
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 topical formulation that inhibits the growth of microorganisms comprises an effective amount of an insecticide dissolved in an oil phase comprising a water-miscible or water-soluble surface active agent, a suspending agent, and a non-ionic surfactant, and an aqueous phase comprising one or more preservatives, where the aqueous phase is buffered to a specific pH. The overall antimicrobial efficacy in an emulsion formulation can be enhanced by buffering the aqueous phase of the emulsion to a pH at which the preservative system inhibits growth for a wider variety of microorganism types in the formulation relative to the equivalent formulation in which the aqueous phase is not buffered.