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EP 1 786 746 A2

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(88) Date of publication A3: 20.07.2006 (43) Date of publication: 23.05.2007 Bulletin 2007/21 (21) Application number: 05792866.5 (22) Date of filing: 29.08.2005

(51) International Patent Classification (IPC):  C07B 33/00(2006.01) C07C 51/265(2006.01) B01J 10/00(2006.01) C07C 51/16(2006.01) B01J 19/24(2006.01) C07C 63/26(2006.01) (86) International application number: PCT/US2005/030649 (87) International publication number: WO 2006/028766 (16.03.2006 Gazette 2006/11)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 02.09.2004 US 606614 P 02.09.2004 US 606618 P 02.09.2004 US 606809 P 29.11.2004 US 631326 P 29.11.2004 US 631388 P 29.11.2004 US 631490 P 16.06.2005 US 153993 16.06.2005 US 154116 16.06.2005 US 154253 (71) Applicant: EASTMAN CHEMICAL COMPANY Kingsport, TN 37660 (US)

(72) Inventors: WONDERS, Alan, George Kingsport, TN 37660 (US) JENKINS, Howard, Wood, Jr. Pendelton, SC 29670 (US) PARTIN, Lee, Reynolds Kingsport, TN 37663 (US) STRASSER, Wayne, Scott Kingsport, TN 37660 (US) DE VREEDE, Marcel Barendrecht, 2993 HE (NL) GUPTA, Puneet Saint Peters, MO 63376 (US) (74) Representative: Best, Michael  Lederer & Keller Patentanwälte Prinzregentenstrasse 16 80538 München 80538 München (DE)