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INEOS Joliet

A leading producer of Purified Isophthalic Acid (PIA), Trimellitic Anhydride (TMA) and Maleic Anhydride (MAN).

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About INEOS Joliet

INEOS Joliet is a leading producer of chemical intermediates. At our site in Channahon, Illinois we produce three products - Purified Isophthalic Acid (PIA), Trimellitic Anhydride (TMA) and Maleic Anhydride (MAN). 

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