Compositions – Water-softening or purifying or scale-inhibiting agents – Plant or organic material containing
Patent
1993-06-22
1995-02-28
Willis, Jr., Prince
Compositions
Water-softening or purifying or scale-inhibiting agents
Plant or organic material containing
252181, 252180, C08F 510
Patent
active
053934563
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.
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Brown J. Michael
Nguyen Khac T.
Perez Libardo A.
Betz Laboratories Inc.
Hill Gregory M.
Paikoff Richard A.
Ricci Alexander D.
Sibermann James M.
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