Olefin polymerization catalysts containing a pyrrole...

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Organic compound containing

Reexamination Certificate

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C502S155000, C502S162000, C502S167000, C548S402000, C556S013000, C534S015000, C534S011000

Reexamination Certificate

active

06984602

ABSTRACT:
Polydentate substituted pyrrole based chelants, metal complexes containing the same, olefin polymerization catalyst compositions, and polymerization processes using the same.

REFERENCES:
patent: 6184171 (2001-02-01), Shih
patent: 6294495 (2001-09-01), Matsunaga
patent: 6300439 (2001-10-01), McConville
patent: 6686306 (2004-02-01), Shih
patent: 6800766 (2004-10-01), Jacobsen et al.
patent: 0924223 (1999-06-01), None
patent: 2001 261638 (2001-09-01), None
patent: WO 98/27124 (1998-06-01), None
patent: WO 98/30612 (1998-07-01), None
patent: WO 98/46651 (1998-10-01), None
patent: WO 99/02472 (1999-01-01), None
patent: WO 99/12981 (1999-03-01), None
patent: WO 00/69923 (2000-11-01), None
Dawson et al., ‘Synthesis and reactivity of sterically hindered iminopyrrolato complexes of zirconium, iron, cobalt and nickel’, J. Chem. Soc., Dalton Trans., 2000, 459-466.
Fryzuk, “The 1992 Alcon Award Lecture Excursions around the periodic table ligand design in inorganic chemistry” Can. J. Chem., vol. 70, p. 2839 (1992).
Bochmann et al., “Synthesis and reactivity of sterically hindered iminopyrrolato complexes of zirconium, iron, cobalt and nickel” J. Chem. Soc., Dalton Trans., 459 (2000).
Edwards, et al., “New Dialkylamido Complexes of Transition Metals in Group 4 and 5 stabilised by Terdentate Ligands” J. Chem. Soc., Dalton Trans., p. 1253 (1989).
van Koten, et al., “Intramolecularly Chelated Di- and Tetranuclear Aryllithium Compounds: Crystal Structure of Li4[C6H4(2-CH2NMe2)]4Containing Four-Center Two-Electron—Bonded C(aryl)Atoms and Heptacoordinate Lithium Atoms” J. Am. Chem. Soc., vol. 104, p. 5490 (1982).
Wayland, et al. “Pyrrole Diimine Copper Complexes for Initiation and Control of Atomtransfer Radical Addition and Polymerization Processes” Polymer Preprints, American Chemical Society, US. vol. 41, No. 2, p. 307-308 (1999).
Matsuo, et al., “Selective Formation of Hompleptic 2,5-Bis(N-aryliminoethyle)pyrroly Yttrium Complexes and Their Performance as Initiators of c-Caprolactone Polymerization” ORGANOMETALLICS, 20, 3510-3518 (2001).

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