Metal treatment – Process of modifying or maintaining internal physical... – Processes of coating utilizing a reactive composition which...
Patent
1991-05-10
1992-05-12
Silverberg, Sam
Metal treatment
Process of modifying or maintaining internal physical...
Processes of coating utilizing a reactive composition which...
148252, C23C 2278
Patent
active
051124149
ABSTRACT:
Effective, titanium-free agents for activating metal surfaces prior to phosphating these surfaces with phosphating baths containing zinc ions can be made by reacting alkali metal phosphates with 1,1-diphosphonic acids and their alkali metal slats and/or poly(aldehydocarboxylic acids) and their alkali metal salts.
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Brands Karl-Dieter
Christophliemk Peter
Endres Helmut
Roland Wolf-Achim
Henkel Kommanditgesellschaft auf Aktien
Jaeschke Wayne C.
Silverberg Sam
Szoke Ernest G.
Wisdom, Jr. Norvell E.
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