C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 5/10 (2006.01) C02F 5/12 (2006.01) C02F 5/14 (2006.01)
Patent
CA 2432677
This invention relates to phosphate stabilizing compositions comprising (a) polyaspartic acid, and (b) an anionic carboxylic polymer. The compositions effectively stabilize phosphates by inhibiting the formation of calcium phosphate scale. The invention also relates to a process for inhibiting calcium phosphate scale in water treatment systems.
La présente invention concerne des compositions de stabilisation de phosphates, comprenant (a) de l'acide polyaspartique, et (b) un polymère carboxylique anionique. Ces compositions stabilisent efficacement les phosphates en inhibant la formation de dépôt de phosphate de calcium. Cette invention concerne également un procédé permettant d'inhiber le dépôt de phosphate de calcium dans les systèmes de traitement de l'eau.
Emerich Dwight E.
Kmec Pavol
Ashland Inc.
Ashland Licensing And Intellectual Property Llc
Gowling Lafleur Henderson Llp
LandOfFree
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