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US 4,977,292 AGranted
4-phosphonomethyl-2-hydroxy-2-oxo-1,4,2-oxazaphosphorinane N-oxide and water-soluble salts thereof
AssigneeW. R. Grace & Co.-Conn.
InventorsChih M. Hwa, John A. Kelly, Mita Adhya
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Abstract
This invention relates to novel organic phosphonate compounds and more particularly to the compound 4-phosphonomethyl-2-hydroxy-2-oxo-1,4,2-oxazaphosphonrinane N-oxide and water soluble salts thereof. These compounds are useful as water treatment agents which can be employed for the control of scale and/or corrosion control.
Claims2
A compound of the formula ##STR2## and water soluble salts thereof.
Dependencies are inferred from the claim text.