Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Organic compound containing
Reexamination Certificate
2005-11-01
2005-11-01
Rabago, Roberto (Department: 1713)
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Organic compound containing
C502S103000, C502S117000, C526S160000, C526S170000, C526S943000, C556S043000, C556S052000, C556S053000
Reexamination Certificate
active
06960550
ABSTRACT:
A metallocene catalyst system component for polymerization of olefins includes at least one 2-arylindenyl ligand substituted on the 1-position by a substituted or unsubstituted alkyl, alkylsilyl, or aryl substituent of 1 to 30 carbon atoms.
REFERENCES:
patent: 3873642 (1975-03-01), Jezl
patent: 4334040 (1982-06-01), Fujii et al.
patent: 4668752 (1987-05-01), Tominari et al.
patent: 4677172 (1987-06-01), Zimmerman et al.
patent: 4792595 (1988-12-01), Cozewith et al.
patent: 4797461 (1989-01-01), Aubanel et al.
patent: 4871705 (1989-10-01), Hoel
patent: 4981760 (1991-01-01), Naito et al.
patent: 5001205 (1991-03-01), Hoel
patent: 5055535 (1991-10-01), Spitz et al.
patent: 5086134 (1992-02-01), Antberg et al.
patent: 5192732 (1993-03-01), Duranel et al.
patent: 5229478 (1993-07-01), Floyd et al.
patent: 5278272 (1994-01-01), Lai et al.
patent: 5459217 (1995-10-01), Todo et al.
patent: 5475075 (1995-12-01), Brant et al.
patent: 5491207 (1996-02-01), Hoel
patent: 5585448 (1996-12-01), Resconi et al.
patent: 5594080 (1997-01-01), Waymouth et al.
patent: 5747621 (1998-05-01), Resconi et al.
patent: 6160064 (2000-12-01), Waymouth et al.
patent: 6169151 (2001-01-01), Waymouth et al.
patent: 6380341 (2002-04-01), Waymouth et al.
patent: 6479424 (2002-11-01), Ernst et al.
patent: 6479685 (2002-11-01), Waymouth et al.
patent: 6518378 (2003-02-01), Waymouth et al.
patent: 6559262 (2003-05-01), Waymouth et al.
Quirk, Roderic P., Transition Metal Catalyzed Polymerizations, 1988, Cambridge University Press, Cambridge, pp. 719-728.
Spitz, R., et al., Propene Polymerization with MgCl2supported Ziegler catalysts: Activation by hydrogen and ethylene, 1988, Makromol. Chem. 189, pp. 1043-1050.
Valvassori, A., et al., Kinetics of the Ethylene-Propylene Copolymerization, 1963, Makoromol. Chem. 161, pp. 46-62.
Brintzinger, H, et al., Stereospecific Olefin Polymerization with Chiral Metallocene Catalysts, 1995, Angew. Chem Int. Ed. Engl. 34, pp. 1143-1170.
Pasquet, v., and Spitz, R., Irreversible activation effects in ethylene polymerization, 1993, Makromol. Chem. 194, pp. 451-461.
Busico, V., et al., Siegler-Natta oligomerization of 1-alkenes: a catalyst's “fingerprint”, 2, Preliminary results of propene hydrooligomerization in the presence of the homogeneous isospecific catalyst system rac-(EBI) ZrcCl2/MAO, 1993, Makromol. Chem. , Rapid Commun. 14, pp. 97-103.
Herfert, N., et al., Elementary processes of the Xiegler catalysis, 7, Ethylene, α-olefin and norbornene copolymerization with the stereorigid catalyst stems iPr[FluCp]ZrCl2/MAO, 1993, Makromol. Chem. 194, pp. 3167-3182.
Koivumaki, J. and Seppala, J., Observations on the Rate Enhancement Effect with MgCl2/TiCl4and Cp2ZrCl2Catalyst system upon 1-Hexene Addition, 1993, Macromolecules 26 No. 21.
Corradini, P., et al., Hydrooligomerization of propene: a “fingerprint” of a Ziegler-Natta catayst, 2, A reinterpretation of result for isospecific homogeneous systems, 1992, Makromol. Chem. , Rapid Commun. 13, pp. 21-24.
Busico, V., et al., Hydrooligomerization of propene: a “fingerprint” of a Ziegler-Natta catayst, 1, Preliminary results for MgCl2supported systems, 1992, Makromol. Chem. , Rapid Commun. 13, pp. 15-20.
Ystenes, M., Predictions from the Trigger Mechanism for Ziergler-Natta Polymerization of α-olefins, 1993, Makromol. Chem. , Makromol. Symp. 66, pp. 71-82.
Bendig Larry L.
Ernst Andreas B.
Kravchenko Raisa
Moore Eric J.
Myers Charles L.
Henes James R.
Rabago Roberto
The Board of Trustees of the Leland Stanford Junior University
Yusko David P.
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