SELF LIMITING CATALYST COMPOSITION AND PROPYLENE POLYMERIZATION PROCESS

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EP 1 668 046 B8

(12)	CORRECTED NEW EUROPEAN PATENT SPECIFICATION
	Note: Bibliography reflects the latest situation

(15)	Correction information:
	Corrected version no 1 (W1 B2)

(48)	Corrigendum issued on:
	21.04.2021 Bulletin 2021/16

(45)	Date of publication and mentionof the opposition decision:
	10.03.2021 Bulletin 2021/10

(45)	Mention of the grant of the patent:
	04.03.2015 Bulletin 2015/10

(21)	Application number: 04784378.4

(22)	Date of filing: 17.09.2004

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International Patent Classification (IPC):

(86)	International application number:
	PCT/US2004/030496

(87)	International publication number:
	WO 2005/030815 (07.04.2005 Gazette 2005/14)

(54)	SELF LIMITING CATALYST COMPOSITION AND PROPYLENE POLYMERIZATION PROCESS SELBSTLIMITIERENDE KATALYSATORZUSAMMENSETZUNG UND PROPYLENPOLYMERISATIONSVERFAHREN COMPOSITION DE CATALYSEUR AUTOLIMITANTE ET PROCEDE DE POLYMERISATION DE PROPYLENE

(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

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Priority:

23.09.2003 US 505313 P
23.09.2003 US 505314 P
14.06.2004 US 579529 P

(43)	Date of publication of application:
	14.06.2006 Bulletin 2006/24

(73)	Proprietor: W.R. Grace & CO. - CONN.
	Columbia, MD 21044 (US)

(72)	Inventors:
	CHEN, Linfeng Sugar Land, TX 77478 (US) CAMPBELL, Richard, E., Jr. Midland, MI 48642-3111 (US)

(74)	Representative: J A Kemp LLP
	14 South Square Gray's Inn London WC1R 5JJ London WC1R 5JJ (GB)

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References cited: :

EP-A- 0 630 910
EP-A1- 0 453 116
US-A- 5 143 244
US-A- 5 414 063

EP-A- 0 736 552
EP-A1- 0 560 035
US-A- 5 192 732

Smason, Job Jan C et al: "Gas-Phase Polymerization of Propylene with a Highly Active Ziegler-Natta Catalyst", AIChE Journal, vol. 45, no. 7, 7 July 1998 (1998-07-07), pages 1548-1558,