HIGH MOLECULAR WEIGHT POLYOLEFIN AND CATALYST AND PROCESS FOR POLYMERISING SAID POLYOLEFIN

WIPO Patent Application WO2002055566

A3

The present invention relates to polyolefins and in particular to polyolefins comprising a C3-C20 monomer and having a molecular weight of at least 5000kg/mol. The present invention further relates to a hafnium based metallocene catalyst and a process for making such polyolefins.

PREUSCHEN JUDITH (DE)
RIEGER BERNHARD (DE)
TROLL CARSTEN (DE)

PCT/US2001/044467

October 03, 2002

November 27, 2001

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PROCTER & GAMBLE (US)
PREUSCHEN JUDITH (DE)
RIEGER BERNHARD (DE)
TROLL CARSTEN (DE)

C08F4/643; C08F4/646; C08F4/6592; C08F10/00; C08F10/06; C08F110/06; C08F4/659; C08F110/08; C08F110/14; (IPC1-7): C08F10/00; C08F4/643

WO1992005208A1

1992-04-02

DE19816154A1	1999-10-21
US5747621A	1998-05-05

MANSEL S ET AL: "SYNTHESIS AND PROPERTIES OF ELASTOMERIC POLY(PROPYLENE)", MACROMOLECULAR CHEMISTRY AND PHYSICS, WILEY VCH, WEINHEIM, DE, vol. 200, no. 6, June 1999 (1999-06-01), pages 1292 - 1297, XP000847375, ISSN: 1022-1352
DIETRICH ET AL: "Control of Stereoerror Formation with High-Activity Dual-Side Zirconocene Catalysts: A Novel Strategy To Design the Properties of Thermoplastic Elastic Polypropenes", JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, AMERICAN CHEMICAL SOCIETY, WASHINGTON, DC, US, vol. 121, no. 18, 1999, pages 4348 - 4355, XP002110148, ISSN: 0002-7863

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