Metal treatment – Process of modifying or maintaining internal physical... – Processes of coating utilizing a reactive composition which...
Patent
1989-09-07
1992-01-21
Silverberg, Sam
Metal treatment
Process of modifying or maintaining internal physical...
Processes of coating utilizing a reactive composition which...
148262, C23C 2236
Patent
active
050825119
ABSTRACT:
The cold impact resistance and corrosion resistance of objects having a zinciferous metal surface successively coated with a zinc phosphate conversion coating and an organic surface coating can be improved by utilizing sufficient manganese ion in the solution used for zinc phosphating to assure the presence of at least 3% by weight manganese in the phosphate conversion coating layer formed. Sufficient phosphating to achieve good bonds to organic surface coatings can be accomplished in as little as 5 seconds.
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EP 010659 4/84.
EP 0060716 9/82.
Farina Samuel T.
Korinek Karl A.
Henkel Corporation
Jaeschke Wayne C.
Silverberg Sam
Szoke Ernest G.
Wisdom, Jr. Norvell E.
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