DuPont sells CMP JV interests to Air Products

March 1, 2012 – PRNewswire — Air Products (NYSE:APD) will acquire all of DuPont’s interest in DuPont Air Products NanoMaterials LLC (DA NanoMaterials), a 50-50 joint venture (JV) that the companies set up for the semiconductor and wafer polishing industries. Terms of the agreement were not disclosed.

DA NanoMaterials, formed in 2001, manufactures chemical mechanical planarization/polishing (CMP) slurries for the semiconductor and wafer polishing, with a portfolio of colloidal silica-based products for copper CMP, tungsten CMP and wafer polishing applications. It operates applications and formulation laboratories in Tempe, AZ and Taiwan.

Also read: The rule of three for CMP by Michael A. Fury, Techcet Group

With 100% ownership of DA NanoMaterials, Air Products will be able to scale up its electronics materials business, and develop "synergies" between products in the division, said Wayne Mitchell, vice president and general manager of Electronics for Air Products. Air Products (NYSE:APD) provides atmospheric, process and specialty gases; performance materials; equipment; and technology.

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DuPont (NYSE: DD) is a global science and engineering company. For additional information about DuPont, visit


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