Engelhard executed the transaction through a stock swap, giving up 8 percent of Engelhard as partial payment for the 20 percent interest in MCP. In 1963, Engelhard, under the advisement of Lazard Frères, took a 20 percent interest in Minerals & Chemicals Philipp (MCP), a recently formed partnership between a small producer of nonmetallic minerals such as kaolin and fuller's earth, and Philipp Brothers, a trading firm specializing in the buying and selling of ores on the international market. as a publicly held company listed on the New York Stock Exchange. consolidated the family's holdings to form Engelhard Industries, Inc. They also developed liquid gold for decorative applications. Engelhard became the world's largest refiner and fabricator of platinum, gold and silver, a producer of silver and silver alloys in mill forms, operator of the world's largest precious metals smelter. In 1904, he purchased Baker & Co., a platinum smelting and refining business located in Newark and in 1905, he established Hanovia Chemical and Manufacturing Company also in Newark. He subsequently founded the American Platinum Works in 1903 and acquired several other companies. Croselmire Company in Newark, New Jersey.

In 2006, the German chemical manufacturer BASF bought Engelhard for US$5 billion. It is credited with developing the first production catalytic converter. An Engelhard poured 2 oz 99.99% pure gold barĮngelhard Corporation was an American Fortune 500 company headquartered in Iselin, New Jersey, United States.

Engelhard metal prices