Liquid purification or separation – Processes – Preventing – decreasing – or delaying precipitation,...
Patent
1991-02-11
1992-03-17
Willis, Jr., Prince
Liquid purification or separation
Processes
Preventing, decreasing, or delaying precipitation,...
252180, 252181, 252175, 210699, C02F 100, C02F 510
Patent
active
050965956
ABSTRACT:
This invention relates to controlling scale formation in aqueous systems and more particularly to using certain calcium insensitive phosphonomethyl amine oxide compounds having at least one oxidized tertiary amine group of the formula: ##STR1## and water soluble salts thereof.
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Gaudette Roger R.
Hwa Chih M.
Kelly John A.
Neton Janet
Scanlon Patricia M.
Barr James P.
Silbermann James M.
W. R. Grace & Co.,-Conn.
Willis Jr. Prince
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