Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1995-12-08
1997-01-14
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
C08F 3002
Patent
active
055940846
ABSTRACT:
A water soluble isopropenylphosphonic acid copolymer composition and method of use thereof are disclosed. The copolymer comprises repeat units (a) of the formula: ##STR1## wherein X=OH or OM, wherein M is a cation, and repeat units (b) of the formula: ##STR2## wherein R.sub.1 and R.sub.2 are independently hydrogen, C.sub.1-10 linear or branched alkyl, phenyl or alkyl substituted phenyl. The copolymers are effective in inhibiting the precipitation of scale forming salts and also act to inhibit corrosion in boiler water systems.
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Boyette Scott M.
Goliaszewski Alan E.
BetzDearborn Inc.
Boyd Steven D.
Ricci Alexander D.
Sarofim N.
Schofer Joseph L.
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