Polymerization catalysts and process for producing bimodal...

Details Polymerization catalysts and process for producing bimodal... Polymerization catalysts and process for producing bimodal...

2007-06-05

2007-06-05

Wu, David W. (Department: 1713)

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Plural component system comprising a - group i to iv metal...

C502S103000, C526S118000, C526S119000, C526S943000

Reexamination Certificate

active

11208077

ABSTRACT:
Catalyst compositions comprising a first metallocene compound, a second metallocene compound, an activator-support, and an organoaluminum compound are provided. An improved method for preparing cyclopentadienyl complexes used to produce polyolefins is also provided.

REFERENCES:
patent: 4547551 (1985-10-01), Bailey et al.
patent: 4939217 (1990-07-01), Stricklin
patent: 5071808 (1991-12-01), Antberg et al.
patent: 5075467 (1991-12-01), Desobry
patent: 5191132 (1993-03-01), Patsidis et al.
patent: 5483014 (1996-01-01), Turner et al.
patent: 5498581 (1996-03-01), Welch et al.
patent: 5534473 (1996-07-01), Welch et al.
patent: 5594078 (1997-01-01), Welch et al.
patent: 5594080 (1997-01-01), Waymouth et al.
patent: 5646322 (1997-07-01), van Beek et al.
patent: 5700748 (1997-12-01), Murray
patent: 5719241 (1998-02-01), Razavi et al.
patent: 5780659 (1998-07-01), Schmidt et al.
patent: 5854363 (1998-12-01), Jung et al.
patent: 5866497 (1999-02-01), Murray
patent: 5886202 (1999-03-01), Jung et al.
patent: 5907021 (1999-05-01), Turner et al.
patent: 6107230 (2000-08-01), McDaniel et al.
patent: 6165929 (2000-12-01), McDaniel et al.
patent: 6262201 (2001-07-01), Welch et al.
patent: 6268447 (2001-07-01), Murray et al.
patent: 6274684 (2001-08-01), Loveday et al.
patent: 6291699 (2001-09-01), Birmingham et al.
patent: 6294494 (2001-09-01), McDaniel et al.
patent: 6300271 (2001-10-01), McDaniel et al.
patent: 6316553 (2001-11-01), McDaniel et al.
patent: 6355594 (2002-03-01), McDaniel et al.
patent: 6376415 (2002-04-01), McDaniel et al.
patent: 6391816 (2002-05-01), McDaniel et al.
patent: 6395666 (2002-05-01), McDaniel et al.
patent: 6462161 (2002-10-01), Cady et al.
patent: 6482905 (2002-11-01), Schmidt et al.
patent: 6489263 (2002-12-01), Murray et al.
patent: 6524987 (2003-02-01), Collins et al.
patent: 6541413 (2003-04-01), Razavi et al.
patent: 6548441 (2003-04-01), McDaniel et al.
patent: 7041617 (2006-05-01), Jensen et al.
patent: 7119153 (2006-10-01), Jensen et al.
patent: 2005/0153830 (2005-07-01), Jensen et al.
patent: 2005/0159300 (2005-07-01), Jensen et al.
patent: 2007/0043176 (2007-02-01), Martin et al.
patent: 1 959 322 (1969-11-01), None
patent: 1 201 711 (2002-05-01), None
patent: 1 405 866 (2004-04-01), None
patent: 9-59289 (1997-03-01), None
patent: WO 99/60033 (1999-11-01), None
patent: WO 01/23433 (2001-04-01), None
patent: WO 01/23434 (2001-04-01), None
patent: WO 01/41920 (2001-06-01), None
patent: WO 01/44309 (2001-06-01), None
patent: WO 01/58587 (2001-08-01), None
patent: WO 01/83498 (2001-11-01), None
patent: WO 01/90239 (2001-11-01), None
patent: WO 03/008468 (2003-01-01), None
patent: WO 03/020821 (2003-03-01), None
Wengrovius, J. et al., “Attempts to Prepare Alkylidene Zirconium Complexes by Hydrogen Atom Abstraction”, J. Organometallic Chem., vol. 205, pp. 319-327 (1981).
Erker, G et al., “Convenient Route to Monocyclopentadienylzirconium (IV) Complexes”, Inorg. Chem., vol. 21, pp. 1277-1278 (1982).
Sandman, D. et al., “5,6:11,12-Bis(ditelluro)tetracene: Syntheses, Molecular, and Supramolecular Properties”, Organometallics, vol. 1, pp. 739-742 (1982).
Llinás, G. et al., “(C5Me5) SiMe3 as a Mild and Effective Reagent for Transfer of the C5Me5 Ring: an Improved Route . . . ”, J. Organometallic Chem., vol. 304, pp. 37-40 (1988).
Lund, E. et al., “Rapid and Efficient Procedures for the Synthesis of Monocyclopentadienyl Complexes of Hafnium and Zirconium”, Organometallics, vol. 9, pp. 2426-2427 (1990).
Winter, C. et al., “Cyclopentadienylmetal Trichloride Formation versus Metallocene Dichloride Formation in the Reactions . . . ”, Organometallics, vol. 10, pp. 210-214 (1991).
Martin, A. et al., “Molecular Structure of trichloro(n5-pentamethylcyclopentadienyl) zirconium (IV)”, J. Organometallic Chem., vol. 480, pp. C10-C11 (1994).
Sitzmann, H. et al., “Titan-, Zirconium- und Hafniumkomplexe mit 1,2,4-Tri-tert-bytyl-cyclopentadienyl . . . ”, Chem. Ber., vol. 127, pp. 3-9 (1994).
Hitchcock, P. et al. “Ligand Redistribution Reactions As A Route to Cyclopentadienyl- or 1-aza-allylzirconium (IV) . . . ”, Polyhedron, vol. 14, No. 19, pp. 2745-2752 (1995).
Amor, J. et al., “Synthesis of bis(tert-butyl)cyclopentaidienyl Derivatives of Titanium and Zirconium . . . ”, J. Organmetallic Chem., vol. 497, pp. 127-131 (1995).
Kravchenko, R. et al., “Propylene Polymerization with Chiral and Archiral Unbridged 2-Arylindene Metallocences”, Organometallics, vol. 16, pp. 3635-3639 (1997).
Peifer, PhD., B., Self-Immobilizing Metallocene Catalysts for the Polymerization of Olefins, Dissertation, Univ. of Bayreauth—Germany (1995).
Jung, M., “ansa Metallocene Complexes of Zirconium as Catalysts for the Olefin Polymerization”, Dissertation, Univ. of Bayreauth—Germany (1997).
Koppl, A., “Aluminoxane Based Immobilized Cocatalysts for Heterogeneous Olefin Polymerization”, Disseration, Univ. of Bayreauth—Germany (Dec. 13, 1997—updated).
Deppner, M., “Substituted Idenyl Complexes of Zirconium as Catalysts for Olefin Polymerization”, Dissertation, Univ. of Bayreauth—Germany (Feb. 1998).
Jany, G., et al., Para-fluro benzyl Substituted bis(indenyl)metallocene as Catalysts Precursors in Ethene Polymerization, J. Organo. Chem., vol. 533, pp. 173-178 (Feb. 1998).
Licht, E., “Metallacyclic Zirconocene Complexes as Catlaysts for Homogenous and Heterogeneous Olefin . . . ”, Dissertation, Univ. of Bayreauth—Germany (May 14, 1998—updated).
Naga, N. et al., “Stereochemical Control in Propylene Polymerizatioin with Non-Bridged Metallocene Dichloride/Methylaluminoxane”, Polymer, vol. 39, No. 13, pp. 2703-2708 (1998).
Licht, E. et al., “Phenylalkyl-substituted zirconocene dichloride complexes as Catalysts Precursors for Homogenous . . . ”, J. Organometallic Chem., vol. 599, pp. 275-287 (2000).

Affiliated with

Also associated with

Rating

Polymerization catalysts and process for producing bimodal... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Polymerization catalysts and process for producing bimodal..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Polymerization catalysts and process for producing bimodal... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3875314