Metal treatment – Compositions – Heat treating
Patent
1986-11-03
1987-11-10
Morris, Theodore
Metal treatment
Compositions
Heat treating
106 1405, 427305, C23C 2224, C04B 902
Patent
active
047055766
ABSTRACT:
An aqueous acidic trivalent chromium and fluoride containing coating (passivating) solution for zinc, zinc alloy and cadmium surfaces contains one or more complex compounds of the formula
REFERENCES:
patent: 2563431 (1951-08-01), Spruance
Birnstiel Willi
Klos Klaus-Peter
Lindemann Karl-Heinz
Elektro-Brite GmbH
Kelman Kurt
Morris Theodore
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