Corrosion inhibitors

Compositions – Leather or fur treating

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Details

21 25R, 252 855C, 252148, 252392, 2605709, C23F 1104, C23G 106, C07C 8729

Patent

active

040897893

ABSTRACT:
As improved corrosion inhibitors, reaction products of alkylene oxides and blocked phenols wherein two substituents of the phenol are non-oxyalkylatable, saturated tertiary-amino alkylene groups, and acid-stable salts of these products.

REFERENCES:
patent: 2395336 (1946-02-01), MacMullen et al.
patent: 2832795 (1958-04-01), Hempel et al.
patent: 2987546 (1961-06-01), Muller
patent: 2998452 (1961-08-01), Bruson et al.
patent: 3127355 (1964-03-01), De Groote et al.
Adams et al., "Organic Reactions", vol. I, pp. 311 and 334 (1954).

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