Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate
2007-04-17
2007-04-17
Rabago, Roberto (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
C526S161000, C526S127000, C526S943000, C526S172000, C502S103000, C502S117000, C502S152000, C502S155000, C556S052000
Reexamination Certificate
active
07676690
ABSTRACT:
The invention is a catalyst system including a Group IV B transition metal component and an alumoxane component which may be employed to polymerize olefins to produce a high molecular weight polymer.
REFERENCES:
patent: 5026798 (1991-06-01), Canich
patent: 5045517 (1991-09-01), Campbell et al.
patent: 5057475 (1991-10-01), Canich et al.
patent: 5227440 (1993-07-01), Canich et al.
patent: 5276117 (1994-01-01), Tomotsu et al.
patent: 0416815 (1991-03-01), None
patent: A-87 03887 (1987-02-01), None
“Gmelins Handbuch der Anorganischen Chemie”, vol. 10; “Zirkonium-Organische Verbindungen”, vol. 11; “Hafnium-Organische Verbindungen”, 1973, Verlag Chemie, GmbH, Weinheim, DE “pp. 14-25, vol. 10; pp. 3-7, vol. 11”.
Chemische Berichte, vol. 123, No. 8, Aug. 1990, pp. 1649-1651, Weinheim, DE; J. Okuda: “Synthesis and Complexation of Linked Cyclopentadienyl-Amido Ligands” “Whole document”.
Orcanometallics, vol. 9, Sep. 1990, pp. 869-871, American Chemical Society, Washington, DC, US; PJ. Shapiro et al.: [(N5-C5Me4)Me2Sl(n1-NCMe3)(PMe3)(ScHl2: A Unique Example of a Single-Component Alpha-Olefin Polymerization Catalyst Whole Document.
M. Reetz,Organotitanium Reagents in Organic Synthesis, pp. 117 and 121 (Springer-Verlay 1986.
Kukenhohner, “Untersuchungen zur Darstellung Chiraler Organotitan (IV)—Verbindungen fur Enantioselektire Synthesen” (1983) (unpublished Diplomarbeit, University of Marburg, Germany).
KukenHohner, Organotitan (IV) Agentien: Komplexe Chiraler Chelatliganden und Enantioselektire c-c- Verknupfungen (University of Marburg, Germany 1986).
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