C - Chemistry – Metallurgy – 25 – C
Patent
C - Chemistry, Metallurgy
25
C
204/73
C25C 1/18 (2006.01)
Patent
CA 1115658
ABSTRACT OF THE DISCLOSURE Process for the electrorefining of lead in which a grain refining and levelling agent system comprising a lignin sulphonate together with a flavone, isoflavone, flavanone, isoflavanone or chalcone is used.
296227
Jackson Harry E.
Kerby Robert C.
Cominco Ltd.
Smart & Biggar
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