PROCESS FOR THE PREPARATION OF LIGANDS FOR OLEFIN POLYMERIZATION CATALYSTS - Patent 1334097

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EP 1 334 097 A2

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(88)	Date of publication A3:
	27.12.2002

(43)	Date of publication:
	13.08.2003 Bulletin 2003/33

(21)	Application number: 01992707.8

(22)	Date of filing: 06.11.2001

(51)	International Patent Classification (IPC)⁷: C07D 339/00

(86)	International application number:
	PCT/US0142/976

(87)	International publication number:
	WO 0203/6585 (10.05.2002 Gazette 2002/19)

(84)	Designated Contracting States:
	DE FR GB

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Priority:

06.11.2000 US 246178 P

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

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

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

(54)	PROCESS FOR THE PREPARATION OF LIGANDS FOR OLEFIN POLYMERIZATION CATALYSTS