Patent Number: 8,877,984

Title: Process for the preparation of 1,3-cyclohexanedimethanol from isophthalic acid

Abstract: Disclosed is a process for the preparation of 1,3-cyclohexanedimethanol from isophthalic acid. Isophthalic acid is esterified with (3-methylcyclohexyl)methanol and the isophthalate ester hydrogenated to 1,3-cyclohexanedimethanol in a 2-stage process. The (3-methylcyclohexyl)methanol that is formed during the hydrogenation step is recycled to the esterification reaction. Also disclosed is a method for purifying and recovering the 1,3-cyclohexanedimethanol product.

Inventors: Barton; Benjamin Fredrick (Kingsport, TN), Cook; Steven Leroy (Kingsport, TN), Howell; Jeff Scott (Jonesborough, TN), McMillan; Noah Glenn (Kingsport, TN), Shackelford; Damon Bryan (Kingsport, TN), Tennant; Brent Alan (Church Hill, TN), Turner; Phillip Wayne (Blountville, TN)

Assignee: Eastman Chemical Company

International Classification: C07C 31/133 (20060101)

Expiration Date: 2019-11-04 0:00:00