Patents by Inventor Benjamin Frederick Barton

Benjamin Frederick Barton has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for the preparation of 1,4-cyclohexanedimethanol from terephthalic acid
    Patent number: 8410318
    Abstract: Disclosed is a process for the preparation of 1,4-cyclohexanedimethanol from terephthalic acid. Terephthalic acid is esterified with (4-methylcyclohexyl)methanol and the terephthalate ester hydrogenated to 1,4-cyclohexanedimethanol in a 2-stage process. The (4-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 1,4-cyclohexanedimethanol product.
    Type: Grant
    Filed: July 29, 2011
    Date of Patent: April 2, 2013
    Assignee: Eastman Chemical Company
    Inventors: Benjamin Frederick Barton, Steven Leroy Cook, Jeff Scott Howell, Noah Glenn McMillan, Damon Bryan Shackelford, Brent Alan Tennant, Phillip Wayne Turner