Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Plural component system comprising a - group i to iv metal...
Reexamination Certificate
2005-03-01
2005-03-01
Lu, Caixia (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...
C568S001000, C556S176000, C502S103000, C502S152000, C526S134000, C526S160000, C526S135000, C526S943000, C526S133000
Reexamination Certificate
active
06861384
ABSTRACT:
A process for preparing salt-like compounds of the formula (1),in-line-formulae description="In-line Formulae" end="lead"?(C6R115)3MR2 (I)in-line-formulae description="In-line Formulae" end="tail"?whereR1are identical or different and are each a hydrogen atom, a halogen atom, C1-C20-alkyl, C6-C14-aryl, C1-C10-alkoxy, C2-C10-alkenyl, C7-C20-arylalkyl, C7-C20-alkylaryl, C6-C10-aryloxy, C1-C10-haloalkyl, C6-C10-haloaryl, C2-C10-alkynyl or C3-C20-alkylsilyl,M is an element of main group III of the Periodic Table of the Elements, andR2is a substituted or unsubstituted heterocycle,and the use of such compounds in catalyst systems for preparing polyolefins.
REFERENCES:
patent: 5384299 (1995-01-01), Turner et al.
patent: 3543360 (1987-11-01), None
patent: 0107127 (1984-05-01), None
patent: 0129368 (1984-12-01), None
patent: 0416815 (1991-03-01), None
patent: 0427697 (1991-05-01), None
patent: 0520732 (1992-12-01), None
patent: 0545304 (1993-06-01), None
patent: 0558158 (1993-09-01), None
patent: 0561479 (1993-09-01), None
patent: 0576970 (1994-01-01), None
patent: 0632063 (1995-01-01), None
patent: 0636636 (1995-02-01), None
patent: 0659758 (1995-06-01), None
patent: 0661300 (1995-07-01), None
patent: 9524268 (1995-09-01), None
patent: 9822486 (1998-05-01), None
patent: 9964476 (1999-12-01), None
H. H. Brintzinger et al., “Stereospezifische Olefinpolymerisation mit chiralen Metallocenkatalysatoren;”Angew. Chem., 107: 1255-1283 (1995) (DE) (English Abstract).
H. Sinn et al., “Scope of Ziegler Catalysis;”Advances in Organometallic Chemistry, 18: 99-149 (1980).
X. Yang et al., “‘Cation-like’ Homogeneous Olefin Polymerization Catalysts Based upon Zirconocene Alkyls and Tris(pentafluorophenyl)borane;”J. Am. Chem. Soc., 113: 3623-3625 (1991).
D. H. McConville et al., “Polymerization of α-Olefins by Chelating Diamide Complexes of Titanium;”Macromolecules, 29: 5241-5243 (1996).
D. H. McConville et al., Living Polymerization of α-Olefins by Chelating Diamide Complexes of Titanium;J. Am. Chem. Soc., 118: 10008-10009 (1996).
M. Brookhart et al., “New Pd(II)- and Ni(II)-Based Catalysts for Polymerization of Ethylene and α-Olefins;”J. Am. Chem. Soc., 117: 6414-6415 (1995).
M. Brookhart et al., “Copolymerization of Ethylene and Propylene with Functionalized Vinyl Monomers by Palladium(II) Catalyts;”J. Am. Chem. Soc., 118: 267-268 (1996).
M. Brookhart et al., “Highly Active Iron and Cobalt Catalysts for the Polymerization of Ethylene;”J. Am. Chem. Soc., 120: 4049-4050 (1998).
V. C. Gibson et al., “Novel olefin polymerization catalysts based on iron and cobalt;”Chem. Commun., 849-850 (1998).
Bodo Temme et al., “Oxidative η2-iminoacyl formation by reaction of amidozirconocene complexes with tris(pentafluorophenyl)borane;”J. of Organomet. Chem., 448: 177-182 (1995).
D. Röttger et al., “Reaction of dimethylzirconocene with imidazole in the prescence of tris(penta-fluorophenyl)borane,”Journal of Organometallic Chemistry, 518(1), pp. 17-19 (1996).
N. Metzler et al., “Synthesis of a silylene-borane adduct and its slow conversion to a silylborane;”Chem. Commun., 23, pp. 2657-2658 (1996).
J. Galsworthy et al., “Reactions of transition-metal oxo complexes with B(C6F5)3: crystal structures of . . . ,”J. Chem. Soc., 8, pp. 1309-1313 (1997).
G. Kehr et al., “Protonation of the Heterocyclic Cp-Anion Equivalent [Pyrrolyl-B(C6F5)3]Li-Formation of a Useful Neutral . . . ”Eur. J. Inorg. Chem., 2, pp. 535-538 (2001).
Erker Gerhard
Kehr Gerald
Schottek Jörg
Basell Polyolefine GmbH
Lu Caixia
LandOfFree
Process for preparation of a salt-like chemical compound and... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for preparation of a salt-like chemical compound and..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparation of a salt-like chemical compound and... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3426272