(19)

(11)

EP 1 644 436 A2

(12)

(88) Date of publication A3: 14.04.2005 (43) Date of publication: 12.04.2006 Bulletin 2006/15 (21) Application number: 04777167.0 (22) Date of filing: 28.06.2004

(51) International Patent Classification (IPC):  C08K 5/13(1990.01) (86) International application number: PCT/US2004/020645 (87) International publication number: WO 2005/007735 (27.01.2005 Gazette 2005/04)

(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 PL PT RO SE SI SK TR (30) Priority: 11.07.2003 US 618274 27.05.2004 US 855723 (71) Applicant: EASTMAN CHEMICAL COMPANY Kingsport, TN 37660 (US)	(72) Inventors: BLAKELY, Dale, Milton Kingsport, TN 37664 (US) COLHOUN, Frederick, Leslie Kingsport, TN 37660 (US) WEAVER, Max, Allen Kingsport, TN 37664 (US) PEARSON, Jason, Clay Kingsport, TN 37663 (US) (74) Representative: Wibbelmann, Jobst  Wuesthoff & Wuesthoff, Patent- und Rechtsanwälte, Schweigerstrasse 2 81541 München 81541 München (DE)