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NewMarket Corporation was founded in 1887 as the Albemarle Paper Manufacturing Company. In 1964, Albemarle Paper Manufacturing Company acquired Ethyl Corporation, a company started in 1924 by Charles Kettering following the development of Tetraethyllead, an anti-knocking agent for gasoline engines in passenger vehicles.
Ethyl Corporation acquired Edwin Cooper, Inc., a supplier of oil and lubricant additives, in 1975. The acquisitions continued with U.S.-based Amoco Petroleum Additives and Japan-based Nippon Cooper in 1992, and Texaco Additives Company in 1996.
NewMarket Corporation was incorporated in 2004 and renamed its Ethyl Petroleum Additives, Inc. subsidiary as Afton Chemical Corporation. Afton acquired GE Water & Process Technologies’ fuel additives business in 2008 and acquired metalworking additives producer Polartech in 2010.