Stock material or miscellaneous articles – All metal or with adjacent metals – Having composition – density – or hardness gradient
Patent
1993-12-10
1995-03-14
Zimmerman, John
Stock material or miscellaneous articles
All metal or with adjacent metals
Having composition, density, or hardness gradient
428648, 428685, 148242, B32B 1518, C23C 2272, C23C 2278, C23C 2283
Patent
active
053976525
ABSTRACT:
A colored, corrosion resistant architectural material having improved corrosion-resistant properties wherein the material includes stainless steel which is coated with a tin and the tin coated material is post-treated with an oxidizing solution to remove the tin coating to expose a barrier which includes an alloy of chromium, iron and tin. The barrier exhibits excellent corrosion resistance especially with respect to chlorine and has a dark grey or earth tone grey color.
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Carey, II Jay F.
Hesske Nicholas R.
The Louis Berkman Company
Zimmerman John
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