Catalyst compounds, catalyst systems thereof and their use...

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

Reexamination Certificate

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Details

C502S103000, C502S117000, C502S155000, C502S162000, C526S134000, C526S160000, C526S161000, C526S166000, C526S172000, C526S170000

Reexamination Certificate

active

07446073

ABSTRACT:
The present invention relates to a cyclic germanium bridged bulky ligand metallocene-type catalyst compound, a catalyst system thereof, and to its use in a process for polymerizing olefin(s) to produce enhanced processability polymers.

REFERENCES:
patent: 3082198 (1963-03-01), Klein
patent: 4910271 (1990-03-01), Bailly et al.
patent: 5081322 (1992-01-01), Winter et al.
patent: 5087677 (1992-02-01), Brekner et al.
patent: 5281679 (1994-01-01), Jejelowo et al.
patent: 5283278 (1994-02-01), Daire et al.
patent: 5350817 (1994-09-01), Winter et al.
patent: 5439994 (1995-08-01), Inoue et al.
patent: 5451649 (1995-09-01), Zenk et al.
patent: 5470811 (1995-11-01), Jejelowo et al.
patent: 5491205 (1996-02-01), Langhauser et al.
patent: 5532396 (1996-07-01), Winter et al.
patent: 5534473 (1996-07-01), Welch et al.
patent: 5571880 (1996-11-01), Alt et al.
patent: 5594078 (1997-01-01), Welch et al.
patent: 5627247 (1997-05-01), Alt et al.
patent: 5631335 (1997-05-01), Alt et al.
patent: 5668230 (1997-09-01), Schertl et al.
patent: 5696045 (1997-12-01), Winter et al.
patent: 5714427 (1998-02-01), Winter et al.
patent: 5770752 (1998-06-01), Kaufmann et al.
patent: 5798427 (1998-08-01), Foster et al.
patent: 5880302 (1999-03-01), Herrmann et al.
patent: 6022935 (2000-02-01), Fischer et al.
patent: 6034192 (2000-03-01), Crowther et al.
patent: 6057408 (2000-05-01), Winter et al.
patent: 6271165 (2001-08-01), Jacobsen et al.
patent: 6339134 (2002-01-01), Crowther et al.
patent: 6803430 (2004-10-01), Agapiou et al.
patent: 6818585 (2004-11-01), Crowther et al.
patent: 2069602 (1992-11-01), None
patent: 2017190 (2001-01-01), None
patent: 0399348 (1990-11-01), None
patent: 0399348 (1990-11-01), None
patent: 0524624 (1993-01-01), None
patent: 0524624 (1993-01-01), None
patent: 0643078 (1994-08-01), None
patent: 0659757 (1995-06-01), None
patent: 0662267 (1995-08-01), None
patent: 0662267 (1995-08-01), None
patent: 0672675 (1995-09-01), None
patent: 0316155 (1996-02-01), None
patent: 0516018 (1996-03-01), None
patent: 700937 (1996-03-01), None
patent: 0705851 (1996-04-01), None
patent: 0705851 (1996-04-01), None
patent: 0553757 (1996-09-01), None
patent: 0700937 (1997-02-01), None
patent: 0700937 (1997-02-01), None
patent: 0780396 (1997-06-01), None
patent: 0480390 (1997-07-01), None
patent: 0528041 (1997-11-01), None
patent: 0 955 305 (1999-11-01), None
patent: 0666267 (2001-04-01), None
patent: 60130604 (1983-12-01), None
patent: 01501950 (1988-01-01), None
patent: 2-76887 (1990-03-01), None
patent: 03021607 (1990-05-01), None
patent: 04100808 (1990-08-01), None
patent: 06254402 (1991-09-01), None
patent: 05310828 (1992-08-01), None
patent: 07503739 (1992-10-01), None
patent: 06256419 (1993-03-01), None
patent: 06322027 (1993-12-01), None
patent: 08512339 (1994-06-01), None
patent: 11-189617 (1999-07-01), None
patent: WO 96/00243 (1996-01-01), None
patent: WO 97/42198 (1997-11-01), None
patent: WO 00/40622 (2000-07-01), None
patent: WO 00/68279 (2000-11-01), None
patent: 01/40324 (2001-06-01), None
Chen et al., Organometallics 1994 (13) 748-749.
Uozumi et al., “Alternating copolymerization of ethylene and 1-octene withmeso- [dimethylsilylbis(2-methyl-1-indenyl)]zirconium dichloride-methylaluminoxane as catalyst system”, Macromol, Rapid Commun. 18, 883-889 (1997).
Tsai et al., “Silolene-Bridged Zirconocenium Polymerization Catalysts”, J. of Polymer Science, Part A: Polymer Chemistry, vol. 32, 149-158 (1994).
Leclerc et al., “Alternating Ethene/Propene Copolymerization with a Metallocene Catalyst”, Angew. Chem. Int. Ed., 1998, 37, No. 7, 922-925.
Spaleck et al., “Stereorigid Metallocenes: Correlations Between Structure and Behaviour in Homopolymerizations of Propylene” vol. 14, No. 6/7, pp. 499-503 (1990).
Yamaguchi et al., “High molecular weight and stereospecific polymerization of 1-hexene catalyzed by metallocene derivatives under super high pressure”, RIKEN Review No. 15, pp. 17-18 (1997).
Wilson, “Metallocenes make copolymers alternate”, C&EN, May 4, 1998.
English abstract of Japanese Patent Application Public Disclosure (Kokai) No. 2-76887 (Japanese Patent Application No. 63-151665), Mar. 1990.
J. Organometallic Chem., W.A. Herrmann et al., 509, pp. 115-117 (1996).
J. Organometallic Chem., K. Patsidis et al., 509, pp. 63-71 (1996).
Gleiter, Hyla-Kryspin, Ziegler, Sergeson, Green, Stahl and Ernst, “Half-Open Metallocenes” of Iron, Ruthenium, and Osmium: Synthesis, Characterization, Photoelectron Spectroscopy, and Theoretical Calculations, Organometallics, vol. 8, pp. 298-306 (1989).
Kroon and Helmholdt, “Structure of Cyclopentadienylcyclooctatetraene-Titanium”, J. Organometal. Chem., vol. 25, pp. 451-454 (1970).
Stroitwieser, Jr. and Westerhoff, “Bis(cyclooctatetraenyl)titanium(Uranocene),A New Class of Sandwich Complexes That Utilize Atomic f Orbitals”, Journal of the American Chemical Society, 90 26 Dec. 18, p. 7364 (1968).
Britovsek, Gibson and Wass, “The Search for New-Generation Olefin Polymerization Catalysts: Life beyond metallocenes” Angew. Chem. Int. Ed., vol. 38, pp. 428-447 (1999).
Stroitwieser, Jr. and Westerhoff, “Bis(cyclooctatetraenyl)titanium(Uranocene),A New Class of Sandwich Complexes That Utilize Atomic f Orbitals”, Journal of the American Chemical Society, Dec. 18, p. 7364 (1968).
Macromol. Rapid Commun., Uozumi et al., 18, 883-889 (1997).
J. of Polymer Science, Part A: Polymer Chemistry, Tsai et al., vol. 32, 149-158 (1994).
Angew. Chem. Int. Ed., Leclerc et al., 1998, 37, No. 7 , 922-925.
New J. Chem., Spaleck et al., vol. 14, No. 6/7, pp. 499-503 (1990).
Riken Review, Yamaguchi et al., No. 15, pp. 17-18 (1997).
Metallocenes make copolymers alternate, Wilson, C&EN, May 4, 1998.

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