(19)
(11) EP 1 351 997 A2

(12)

(88) Date of publication A3:
17.04.2003

(43) Date of publication:
15.10.2003 Bulletin 2003/42

(21) Application number: 01992727.6

(22) Date of filing: 06.11.2001
(51) International Patent Classification (IPC)7: C08F 4/26, C08F 4/70, C08F 4/64, C07C 251/24, C07C 211/26, C08F 110/02
(86) International application number:
PCT/US0142/977
(87) International publication number:
WO 0203/6641 (10.05.2002 Gazette 2002/19)
(84) Designated Contracting States:
DE FR GB

(30) Priority: 06.11.2000 US 246254 P
06.11.2000 US 246255 P
06.11.2000 US 246178 P
19.06.2001 US 298893 P

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

(72) Inventors:
  • MACKENZIE, Peter, Borden
    Kingsport, TN 37660 (US)
  • MOODY, Leslie, Shane
    Johnson City, TN 37604 (US)
  • PONASIK, James, Allen, Jr.
    Blountville, TN 37617 (US)
  • FARTHING, Amy, Kathryn
    Gary, TN 37615 (US)

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

   


(54) IMPROVED PRODUCTIVITY CATALYSTS AND MICROSTRUCTURE CONTROL