Single-site catalyst activators, processes for making same,...

Details Single-site catalyst activators, processes for making same,... Single-site catalyst activators, processes for making same,...

2011-04-12

2011-04-12

Mayes, Melvin C (Department: 1732)

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

Catalyst or precursor therefor

Organic compound containing

Reexamination Certificate

active

07923401

ABSTRACT:
Single-site catalyst activator compositions are provided, said activator compositions comprising anion/cation ion pair wherein; (a) the anion comprises a metal atom bonded via hetero atoms to a chelating organic ligand, and (b) the cation comprises a Bronsted acid.

REFERENCES:
patent: 6232261 (2001-05-01), Little
patent: 6414099 (2002-07-01), Hlatky et al.
patent: WO 2006/004789 (2006-01-01), None
WIPO written opinion of the international searching authority.
Akihiro Yano, et al; “Influence of Activators on Ethylene Polymerization With Diphenylmethylidene-(cyclopentadienyl)(fluorenyl)zirconium Dichloride Catalysts At High Temperature”; Journal of Molecular Catalysis A:Chemical; 1999; p. 77-86; vol. 148; Elsevier Science B.V.; Amsterdam, Netherlands.
Wigand Braune, et al; “Aluminum Complexes With Sulfide-Linked Bis(phenolato) Ligands: Unusual Structure and Reactivity of the Methyl Bis(phenolato) Complex “[Al(tbmp)Me]” (tbmp=2,2′-Thiobis(6-tert-butyI-4-methylphenolato))”; Organometallics; 2005; p. 1953-1958; vol. 24; American Chemical Society; Washington, D.C., US.
Zofia Janas, et al; “Homo- and Heterometallic Alumimum and Titanium Complexes of Tridentate (OSO) Ligand: Synthesis, Structure, and Catalytic Activity”; Organometallics; 2005; p. 3987-3994; vol. 24; American Chemical Society; Washington, D.C., US.
Stefan Fokken; “Nine-Membered Titanacyclic Complexes Based on an Ethylene-Bridged Bis(phenolato) Ligand: Synthesis, Structure, and Olefin Polymerization Activity”; Organometallics; 1997; p. 4240-4242; vol. 16; American Chemical Society; Washington, D.C., US.
Holleck, L., et al; “Polarographic Reduction of Solochrome Violet RS and the Mechanism of Complexing With Aluminum in Methanol Solution”; Journal of Electroanalytical Chemistry and Interfacial Electrochemistry; 1969; p. 287-296; vol. 20; Elsevier Sequoia S.A.; Lausanne, The Netherlands.

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