Corrosion inhibitor comprising the ethynylation reaction product

Details Corrosion inhibitor comprising the ethynylation reaction product Corrosion inhibitor comprising the ethynylation reaction product

1981-10-15

1983-06-07

Gluck, Irwin

Compositions

Preservative agents

Anti-corrosion

106 1413, 106 1415, 252 855C, 252 855E, 422 12, 422 16, C23F 1114

Patent

active

043870422

ABSTRACT:
A corrosion inhibitor for aqueous solutions of mineral acids consisting essentially of the reaction product obtained by the catalytic ethynylation of a dialkylamine, a substituted benzaldehyde and acetylene, said reaction product being a complex material which contains predominately a 3-dialkylamino-3-(substituted phenyl) prop-l-yne.

REFERENCES:
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patent: 3107221 (1963-10-01), Harrison et al.
patent: 3231507 (1966-01-01), Beale et al.
patent: 3382179 (1968-05-01), Keeney et al.
patent: 3428566 (1969-02-01), Herman et al.
patent: 3705106 (1972-12-01), Muzyczko et al.
patent: 3772208 (1973-11-01), Tedeschi et al.
patent: 3779935 (1973-12-01), McDougall et al.
patent: 3802890 (1974-04-01), Keeney
patent: 3816322 (1974-06-01), Griffin et al.

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