Metal treatment – Compositions – Heat treating
Patent
1981-10-13
1982-12-07
Silverberg, Sam
Metal treatment
Compositions
Heat treating
427402, C23C 110
Patent
active
043625770
ABSTRACT:
A process for sealing a phosphate coating on metal includes the steps:
REFERENCES:
patent: 1485025 (1924-02-01), Green
patent: 3489595 (1970-01-01), Brown
patent: 3726720 (1973-04-01), Guhde
patent: 3895970 (1975-07-01), Blum
patent: 4148670 (1979-04-01), Keily
patent: 4153478 (1979-05-01), Parant et al.
patent: 4154620 (1979-05-01), Miller
Haefliger William W.
Purex Corporation
Silverberg Sam
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