(19)
(11) EP 1 569 889 A1

(12)

(43) Date of publication:
07.09.2005 Bulletin 2005/36

(21) Application number: 03790247.5

(22) Date of filing: 03.12.2003
(51) International Patent Classification (IPC)7C07C 51/47, C07C 63/26, C07C 51/265
(86) International application number:
PCT/US2003/038307
(87) International publication number:
WO 2004/052822 (24.06.2004 Gazette 2004/26)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 09.12.2002 US 315294
21.08.2003 US 645734

(71) Applicant: EASTMAN CHEMICAL COMPANY
Kingsport, TN 37660 (US)

(72) Inventors:
  • SHEPPARD, Ronald, Buford
    Kingsport, TN 37664 (US)
  • TENNANT, Brent, Alan
    Kingsport, TN 37664 (US)
  • WOODRUFF, Thomas, Earl
    Kingsport, TN 37663 (US)
  • LIN, Robert
    Kingsport, TN 37664 (US)

(74) Representative: Wibbelmann, Jobst 
Wuesthoff & Wuesthoff, Patent- und Rechtsanwälte, Schweigerstrasse 2
81541 München
81541 München (DE)

   


(54) PROCESS FOR THE OXIDATIVE PURIFICATION OF TEREPHTHALIC ACID