N-bis(phosphonomethyl) amino acids and their use as scale inhibi

Organic compounds -- part of the class 532-570 series – Organic compounds – Phosphorus acids or salts thereof

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562 14, C07F 938

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active

054141125

ABSTRACT:
Certain N-bis(phosphonomethyl) amino acids are novel compounds and are useful in preventing calcium carbonate scale.

REFERENCES:
patent: 3288846 (1966-11-01), Irani et al.
patent: 3434969 (1969-03-01), Ralston
patent: 4047927 (1977-09-01), Gaertner et al.
patent: 4307038 (1981-12-01), Sommer et al.
patent: 4308147 (1981-12-01), Sommer et al.
patent: 5087376 (1992-02-01), Bendiksen et al.
Chemical Abstracts Online 120:166669 Jun. 8, 1993.
Chemical Abstracts Online 119:259403 Feb. 5, 1993.

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