FREEZE STABLE TETRAKIS(HYDROXYMETHYL) PHOSPHONIUM SULFATE FORMULATIONS

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专利权人:

发明人:

Randall W. Stephens,Eileen F. Warwick

申请号：

US15556759

公开号：

US20180042221A1

申请日:

2016.03.15

申请国别(地区):

US

年份:

2018

代理人:

摘要：

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.

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