C - Chemistry – Metallurgy – 25 – D
Patent
C - Chemistry, Metallurgy
25
D
C25D 3/32 (2006.01)
Patent
CA 2057199
-22- ABSTRACT ELECTROLYTE COMPOSITIONS A composition suitable for use in a process for electroplating surfaces with tin, which comprises (a) an alkane sulphonic acid, (b) an aryl sulphonic acid, (c) an additive, and (d) a tin source. A composition suitable for use in a process for electroplating surfaces with tin, which comprises (a) an alkane sulphonic acid (b) a tin source, and (c) a reaction product of a sulphonating agent with Bisphenol A.
Crosby David
Wild Malcolm S.
Riches Mckenzie & Herbert Llp
Yorkshire Chemicals Plc
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