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US 5,332,505 AGranted
Method for inhibiting silica and silicate deposition
AssigneeBetz Laboratories, Inc.
InventorsWilliam S. Carey, Andrew Solov, Libardo A. Perez
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Abstract
A method and composition for inhibiting silica and silicate deposition on metal surfaces in contact with aqueous systems is disclosed.
Claims14
A method of inhibiting the deposition of silica and silicate compounds on the metal surfaces in contact with an aqueous system comprising adding to the system a sufficient amount for the purpose of a water soluble compound having the formula:
- ##STR8## wherein R is an alkyl or aryl moiety or a repeat unit obtained after polymerization of an ethylenically unsaturated compound;
- R' and R" are hydrogen, C.sub.1-4 alkyl or C.sub.1-4 substituted alkyl;
- Z is NH, NR, O or S;
- f is a positive integer;
- and M is H, a water soluble cation or a C.sub.1 -C.sub.3 alkyl group.
2 more elements
Dependencies are inferred from the claim text.