Process for reducing the rate of sludge formation in crystalline

Details Process for reducing the rate of sludge formation in crystalline Process for reducing the rate of sludge formation in crystalline

1975-04-21

1976-08-31

Kendall, Ralph S.

Metal treatment

Compositions

Heat treating

148 615Z, C23F 710

Patent

active

039779122

ABSTRACT:
Disclosed is a process for reducing the rate of sludge formation in a crystalline phosphatizing process. The phosphatizing bath includes 0.005 to 20 g/l of a phosphoric acid ester of an organic condensation product containing an alkylene oxide chain.

REFERENCES:
patent: 2304299 (1942-12-01), Boyle et al.
patent: 2744555 (1956-05-01), Nicholson et al.
patent: 3276916 (1966-10-01), Wurstner

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