Method for protecting metal from erosion

Details Method for protecting metal from erosion Method for protecting metal from erosion

1977-05-16

1978-08-01

Padgett, Benjamin R.

Compositions

Preservative agents

Anti-corrosion

21 27R, 21 25R, 252392, C09K 300

Patent

active

041041941

ABSTRACT:
1,2-Fused five-membered or six-membered 1,3-dinitrogen-heterocyclic compounds, useful as anti-corrosion agents, having the formula ##STR1## wherein A is an optionally substituted, optionally polynuclear orth- or peri-arylene radical and

REFERENCES:
patent: 3117970 (1964-01-01), Weisbach
patent: 3189616 (1965-06-01), Loffler et al.
patent: 3920678 (1975-11-01), Butula
patent: 3987054 (1976-10-01), Butula

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