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Engelhard Patents



Published August 10, 2005
Patent No. U.S. 6,517,939 B1
Engelhard Corp. has received a patent for a coated laminar substrate in which the coating is comprised of silver or gold wherein the coating contains rhodium in an amount of up to two percent by weight of the coating. The coating is overcoated with a silane in an amount of up to five percent weight based on the weight of the coating or the coating contains rhodium in an amount of up to two percent by weight of the coating and the coating is overcoated with a silane in an amount of up to five percent weight based on the weight of the coating.


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