Mono- and di-substituted (diphosphonoalkylamino methyl)-4-hydrox

Details Mono- and di-substituted (diphosphonoalkylamino methyl)-4-hydrox Mono- and di-substituted (diphosphonoalkylamino methyl)-4-hydrox

1990-07-13

1991-08-27

Kyle, Deborah L.

Compositions

Preservative agents

Anti-corrosion

562 13, 25238962, C23F 1110

Patent

active

050430998

ABSTRACT:
New polyamino-polyphosphonic-hydroxybenzenesulfonic acid compounds as the free acid or their alkali or alkaline earth metal salt. Specifically, the compounds are the mono- and di-(1,1-diphosphono-1-alkylaminomethyl)-4-hydroxybenzenesulfonic acid. These compounds are useful as corrosion inhibiting agents for metal/water applications.

REFERENCES:
patent: 2673213 (1954-03-01), Berworth
patent: 3398198 (1968-08-01), Kersnar
patent: 4085134 (1978-04-01), Redmore et al.
patent: 4229294 (1980-09-01), Redmore et al.
patent: 4312736 (1982-01-01), Menth et al.
patent: 4608368 (1986-08-01), Blum et al.
Helv. Chim. Acta 35 1785 (1952).

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