Patent ID: 7235142
Filing Date: 2007-06-26
Classification: C23C,C25D,Y10T

Abstract:
1. A solid corrosion-inhibiting seal formed on a coating selected from anodic coatings, phosphating coatings, or black oxide coatings, the solid corrosion-inhibiting seal comprising cobalt, wherein the cobalt is trivalent cobalt, tetravalent cobalt, or combinations thereof, and a valence stabilizer combined to form a cobalt/valence stabilizer complex within the solid corrosion-inhibiting seal, and wherein the cobalt/valence stabilizer complex has a solubility in water of between about 5×10 −1 and about 1×10 −5 moles per liter of cobalt at about 25° C. and about 760 Torr.