Back to results
US 4,229,267 AGranted
Alkaline bright zinc plating and additive therefor
AssigneeRichardson Chemical Company
InventorCarl Steinecker
Life of this patent
Estimating the term…
Abstract
An alkaline, electroplating bath for bright zinc plating comprising a source of zinc ions and a bath soluble polymer containing repeating tertiaryaminoalkyl acrylamide groups or quaternary salts thereof. The bath is capable of producing bright, fine grained zinc deposits over a broad current density range both in the presence and absence of cyanides.
Claims23
A bright zinc electroplating bath comprising an aqueous alkaline solution which includes a source of zinc ions and a bath soluble polymer containing repeating tertiaryaminoalkyl acrylamide groups or a quaternary salt thereof.
Dependencies are inferred from the claim text.