C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 22/23 (2006.01) C09D 5/08 (2006.01) C09D 125/18 (2006.01) C23C 22/68 (2006.01)
Patent
CA 2096116
A superior protective prepainting treatment for tin plated steel surfaces, particularly Dl cans, may be achieved by contact- ing the surface with an aqueous liquid composition containing from 1 to 30 g/L of phosphate ions, from 0.1 to 5 g/L of con- densed phosphate ions; from 0.5 to 5 g/L of reducing agent, and from 0.1 to 20 g/L of dissolved solids of a water soluble aminat- ed poly(vinyiphenol) resin.
Aoki Tomoyuki
Yoshida Masayuki
Fetherstonhaugh & Co.
Henkel Corporation
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