C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
148/17
C23C 22/20 (2006.01) C23C 22/74 (2006.01) H01F 1/147 (2006.01)
Patent
CA 1198037
12 ABSTRACT OF THE DISCLOSURE A low temperature curable, phosphate coating on ferrous sheet steel, is made by applying an admixture of aqueous, aluminum phosphate solution and from about 1 vol.% to about 15 vol.% of nitric acid, and heating at a sheet steel temperature of from about 90°C to about 130°C.
427783
Pavlik Norman M.
Sefko John
Oldham And Company
Westinghouse Electric Corporation
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