Metal treatment – Compositions – Heat treating
Patent
1985-07-01
1986-06-24
Silverberg, Sam
Metal treatment
Compositions
Heat treating
148 315, C23C 2218
Patent
active
045966079
ABSTRACT:
A zinc phosphate coating bath and its application to metal is disclosed characterized in that the bath contains 80 to 94, preferably 84 to 94, mole percent nickel cations, 0.5 to 10 mole percent manganese cations and 5.5 to 19.5 mole percent zinc cations together with solubilizing amounts of phosphate ions or phosphate ions in combination with ions of acids other than phosphoric acid.
REFERENCES:
patent: 3597283 (1971-08-01), Snee
EP0060716 9/22/82.
Huff John
Zurilla Ronald W.
Ford Motor Company
May Roger L.
Silverberg Sam
Zerschling Keith L.
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