SELECTIVE ANTI-TARNISH COATING
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United States of America
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Issued Date -
Mar 17, 2022
app pub date -
Aug 11, 2021
filing date -
Aug 11, 2021
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Abstract
An anti-tarnish composition including a polymer resin; a photoinitiator; a coating thickness adjusting agent; and optionally a dye useful for protecting metal substrates from tarnishing and methods of applying the anti-tarnish composition to metal substrates using an electroplating method. The anti-tarnish composition can be selectively applied to the metal surfaces of jewelry containing gemstones.
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