Forming a silver coating on a vitreous substrate
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United States of America Patent
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Sep 13, 2005
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N/A
app pub date -
May 28, 2004
filing date -
May 12, 1994
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Abstract
A process for forming a silver coating on a surface of a vitreous substrate is described. The process comprises an activating step in which said surface is contacted with an activating solution, a sensitising step in which said surface is contacted with a sensitising solution, and a subsequent silvering step in which said surface is contacted with a silvering solution comprising a source of silver to form the silver coating. The process is characterised in that said activating solution comprises ions of at least one of bismuth (III), chromium (II), gold (III), indium (III), nickel (II), palladium (II), platinum (II), rhodium (III), ruthenium (III), titanium (III), vanadium (III) and zinc (II).
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