Oxeawill increase off-list prices effective Jan. 1 by 3 cents per pound in North America and Mexico, and by $66 per metric ton in South America for heptanoic acid; and by 4 cents/lb in North America and Mexico and $88/t in South America for isononanoic acid. Ineos Enterprisescompleted the acquisition of the chemical intermediates business of Flint Hills Resources on Dec. 1, including an intermediates production facility near Chicago, Illinois. The business manufactures maleic anhydride that is used in a number of industries, including lubricant additives, where it serves as a primary component in dispersants.