FREEZE STABLE TETRAKIS(HYDROXYMETHYL)PHOSPHONIUM SULFATE FORMULATIONS

A composition comprising: (a) tetrakis(hydroxymethyl)phosphonium sulfate (THPS); (b) water; and (c) 1,2-propanediol; wherein the weight percentages of (a), (b) and (c) are within the area on a ternary phase diagram for (a), (b) and (c) bounded by five points: (A) 20% THPS/40% water/40% 1,2-propanedi...

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Bibliographische Detailangaben
Hauptverfasser: STEPHENS, Randall W, WARWICK, Eileen F
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A composition comprising: (a) tetrakis(hydroxymethyl)phosphonium sulfate (THPS); (b) water; and (c) 1,2-propanediol; wherein the weight percentages of (a), (b) and (c) are within the area on a ternary phase diagram for (a), (b) and (c) bounded by five points: (A) 20% THPS/40% water/40% 1,2-propanediol; (B) 20% THPS/20% water/60% 1,2-propanediol; (C) 65% THPS/22% water/13% 1,2-propanediol; (D) 65% THPS/25% water/10% 1,2-propanediol; and (E) 40% THPS/28% water/32% 1,2-propanediol.