CA2979686C - Formulations de sulfate de tetrakis(hydroxymethyl)phosphonium stables a la congelation - Google Patents

Formulations de sulfate de tetrakis(hydroxymethyl)phosphonium stables a la congelation

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Publication number
CA2979686C
CA2979686C CA2979686A CA2979686A CA2979686C CA 2979686 C CA2979686 C CA 2979686C CA 2979686 A CA2979686 A CA 2979686A CA 2979686 A CA2979686 A CA 2979686A CA 2979686 C CA2979686 C CA 2979686C
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Canada
Prior art keywords
water
thps
methanol
frozen
liquid
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CA2979686A
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English (en)
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CA2979686A1 (fr
Inventor
Randall W. Stephens
Original Assignee
Lanxess Corp
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Priority claimed from PCT/US2016/022412 external-priority patent/WO2016149236A1/fr
Publication of CA2979686A1 publication Critical patent/CA2979686A1/fr
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Publication of CA2979686C publication Critical patent/CA2979686C/fr
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Abstract

L'invention concerne une composition comprenant : (a) du sulfate de tétrakis(hydroxyméthyl)phosphonium (THPS) ; (b) de l'eau ; et (c) du méthanol ; les pourcentages en poids de (a), (b) et (c) se situant à l'intérieur de la zone sur un diagramme de phases ternaires pour (a), (b) et (c) délimitée par quatre points : (A) 5 % de THPS / 58 % d'eau / 37 % de méthanol ; (B) 5 % de THPS / 36 % d'eau / 59 % de méthanol ; (C) 65 % de THPS / 27 % d'eau / 8 % de méthanol ; et (D) 65 % de THPS / 29 % d'eau / 6 % de méthanol.
CA2979686A 2015-03-18 2016-03-15 Formulations de sulfate de tetrakis(hydroxymethyl)phosphonium stables a la congelation Active CA2979686C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201562134798P 2015-03-18 2015-03-18
US62/134,798 2015-03-18
PCT/US2016/022412 WO2016149236A1 (fr) 2015-03-18 2016-03-15 Formulations de sulfate de tétrakis(hydroxyméthyl)phosphonium stables à la congélation

Publications (2)

Publication Number Publication Date
CA2979686A1 CA2979686A1 (fr) 2016-09-22
CA2979686C true CA2979686C (fr) 2025-11-04

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