Compositions – Preservative agents – Anti-corrosion
Patent
1989-12-15
1992-12-01
Stoll, Robert L.
Compositions
Preservative agents
Anti-corrosion
25238961, 25238962, 252180, 422 15, 422 16, 210700, 210756, 562 12, 562 13, 562 14, 562 16, 562 17, C23F 1110
Patent
active
051678667
ABSTRACT:
This invention relates to controlling corrosion in aqueous systems and more particularly to using certain calcium insensitive phosphonomethyl amine oxide compounds. The compounds of this invention are water soluble phosphonomethyl amine oxides having at least one oxidized tertiary amine group of the formula: ##STR1## and water soluble salts thereof and having a cloud point of at least about 25 ppm.
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Gaudette Roger R.
Hwa Chih M.
Kelly John A.
Neton Janet
Scanlon Patricia M.
Barr James P.
Fee Valerie
Stoll Robert L.
W. R. Grace & Co. - Conn.
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