Anticorrosives

Details Anticorrosives Anticorrosives

1973-06-27

1976-12-28

Albrecht, Dennis L.

Compositions

Heat-exchange, low-freezing or pour point, or high boiling...

Organic components

252 77, 252 781, 252390, 252391, 260304R, 2603092, C09K 500, C09K 1530, C23F 1114, C23F 1116

Patent

active

040000796

ABSTRACT:
Corrosion-inhibiting aqueous solutions and corrosion inhibiting antifreeze agents based on glycols and aqueous solutions thereof are prepared by adding two such solutions and agents already containing conventional corrosion inhibitors, heterocyclic nitrogen compounds having the formula: ##STR1## wherein: R.sup.1 and R.sup.2 are hydrogen or together with the carbon atoms to which they are attached represent an optionally substituted benzene ring;

REFERENCES:
patent: 2466517 (1949-04-01), Blair
patent: 2468163 (1949-04-01), Blair
patent: 2739872 (1956-03-01), Senkus
patent: 3231494 (1966-01-01), Moray
patent: 3399197 (1968-08-01), Roberts

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