C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 141/00 (2006.01) C02F 5/10 (2006.01) C02F 5/14 (2006.01) C09D 185/02 (2006.01)
Patent
CA 2094420
-20- ABSTRACT A method for the inhibition of silica and silicate deposits on the internal surfaces of a water system consisting of adding to the water system a composition comprised of a blend of- two water soluble copolymers. The first copolymer contains repeat units of maleic or acrylic acids and a phosphinic acid, or salt forms thereof. The second copolymer contains repeat units of acrylic acid and allyl hydroxy propyl sulfonate ether, or salt forms thereof.
Brown J. Michael
Nguyen Khac T.
Perez Libardo A.
Betzdearborn Inc.
Borden Ladner Gervais Llp
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