Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Organic compound containing
Reexamination Certificate
2002-05-07
2008-08-26
Felton, Aileen (Department: 1755)
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Organic compound containing
C548S402000, C548S405000, C502S103000, C502S117000, C502S152000, C502S167000, C502S168000, C502S172000, C526S132000, C526S134000, C526S135000, C526S163000
Reexamination Certificate
active
07417006
ABSTRACT:
A salt of formula (I)in-line-formulae description="In-line Formulae" end="lead"?[HEoR13]+[T1T2]− (I)in-line-formulae description="In-line Formulae" end="tail"?wherein Eois a nitrogen or phosphorous atom; R1is hydrocarbon radical; T1is a Lewis acid that forms a complex with T2, and T2is a substituted pyrrolyl radical of formula (III)These salts can be used as cocatalyst in a process for the polymerization of alpha-olefins in conjunction with a transition metal organometallic compound.
REFERENCES:
patent: 5145819 (1992-09-01), Winter et al.
patent: 5239022 (1993-08-01), Winter et al.
patent: 5243001 (1993-09-01), Winter et al.
patent: 5324800 (1994-06-01), Welborn, Jr. et al.
patent: 5384299 (1995-01-01), Turner et al.
patent: 5556928 (1996-09-01), Devore et al.
patent: 6608224 (2003-08-01), Resconi et al.
patent: 2006/0094840 (2006-05-01), Resconi et al.
patent: 0129368 (1984-12-01), None
patent: 0416815 (1991-03-01), None
patent: 0420436 (1991-04-01), None
patent: 0485820 (1992-05-01), None
patent: 0485822 (1992-05-01), None
patent: 0485823 (1992-05-01), None
patent: 0643066 (1995-03-01), None
patent: 0671404 (1995-09-01), None
patent: 9102012 (1991-02-01), None
patent: 9104257 (1991-04-01), None
patent: 9622995 (1996-08-01), None
patent: 9623010 (1996-08-01), None
patent: 9627439 (1996-09-01), None
patent: 9702298 (1997-01-01), None
patent: 9822486 (1998-05-01), None
patent: 9840374 (1998-09-01), None
patent: 9921899 (1999-05-01), None
patent: 9924446 (1999-05-01), None
patent: 9942467 (1999-08-01), None
patent: 9958539 (1999-11-01), None
patent: 0035973 (2000-06-01), None
M. Brookhart et al., “Highly Active Iron and Cobalt Catalysts for the Polymerization of Ethylene;”J. Am. Chem. Soc., 120, p. 4049-4050 (1998).
M. Brookhart et al., “New Pd(II)- and Ni(II)-Based Catalysts for Polymerization of Ethylene and α-Olefins;”J. Am. Chem. Soc., 117, p. 6414-6415 (1995).
M. Brookhart et al., “Copolymerization of Ethylene and Propylene with Functionalized Vinyl Monomers by Palladium(II) Catalysts;”J. Am. Chem. Soc; 118, p. 267-268 (1996).
V. Gibson et al., “Novel olefin polymerization catalysts based on iron and cobalt;”Chem. Commun., p. 849-851 (1998).
F. Jāger et al., “Metallacyclodisiladiazanes of Titanium and Zirconium; Synthesis, Structure and Polymerization Studies;”Chem. Ber./Recueil, 130, p. 399-403 (1997).
G. Kehr et al., “Protonation of the Heterocyclic Cp-Anion Equivalent [Pyrrolyl-B(C6F5]Li-Formation of a Useful Neutral Bronsted Acid for the Generation of Homogeneous Metallocene Ziegler Catalysts”,Eur. J. Inorg. Chem., p. 535-538 (2001).
Guidotti Simona
Resconi Luigi
Basell Polyolefine GmbH
Felton Aileen
McDonough J. Eric
Raphael Jarrod N
LandOfFree
Catalyst system for the polymerization of olefins does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Catalyst system for the polymerization of olefins, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Catalyst system for the polymerization of olefins will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4007182