Corrosion and abrasion

Patent No. U.S. 7,026,057 B2
Moen Incorporated has received a patent for an article having on at least a portion of its surface, a coating of a thin transition layer consisting of a metal bearing material and having a composition that varies from an exterior first composition comprising a metal to a second composition beneath the exterior first composition, which transition layer is superimposed on a metal bearing color layer and is substantially transparent and colorless to visible light, in which the first composition is a noble metal chosen from the group consisting of gold, silver, platinum, platinum group metals, or an alloy thereof.