C - Chemistry – Metallurgy – 23 – F
Patent
C - Chemistry, Metallurgy
23
F
204/66, 204/80
C23F 1/36 (2006.01) C23F 1/44 (2006.01) C23F 1/46 (2006.01) C25C 1/14 (2006.01) C25F 7/02 (2006.01)
Patent
CA 2009130
ABSTRACT OF THE DISCLOSURE An aqueous solution of alkane sulfonic acid and inorganic nitrate used to strip metals from substrate surfaces, such as in stripping tin or tin-lead from copper surfaces, is regenerated by subjecting it to electrolysis to cause dissolved stripped metals therein to deposit in metallic form on the surfaces of a cathode.
Cordani John L.
Letize Raymond A.
Cordani John L.
Letize Raymond A.
Macdermid Incorporated
Perley-Robertson Hill & Mcdougall Llp
LandOfFree
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