Selected poly(oxyalkylated) pyrazoles and their use as corrosion

Details Selected poly(oxyalkylated) pyrazoles and their use as corrosion Selected poly(oxyalkylated) pyrazoles and their use as corrosion

1980-11-03

1981-12-22

Albrecht, Dennis L.

Compositions

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

Organic components

252 68, 252136, 252148, 252390, 422 12, 422 16, 548373, C07D23112, C09K 1530, C23F 1104, C23G 106

Patent

active

043069860

ABSTRACT:
Disclosed are selected poly(oxyalkylated) pyrazoles of the formula: ##STR1## wherein R and R' are independently selected from lower alkyl groups having 1 to 4 carbon atoms; each R" is individually selected from hydrogen and methyl; and n is from 2 to about 20. These compounds are shown to be effective corrosion inhibitors in corrosive liquids such as acids, antifreezes and hydraulic fluids.

REFERENCES:
patent: 2160293 (1939-05-01), Shoemaker
patent: 2618608 (1952-11-01), Schaeffer
patent: 3553101 (1971-01-01), Foroulis
patent: 3778376 (1973-12-01), Herber
Kirk-Othmer, Encyclopedia of Chemical Technology, vol. 16, pp. 762-779 (1968).

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