Organic compounds -- part of the class 532-570 series – Organic compounds – Heavy metal containing
Reexamination Certificate
2004-04-29
2008-12-23
Gonzalez, Porfirio Nazario (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heavy metal containing
C556S012000, C556S019000, C556S052000, C556S053000
Reexamination Certificate
active
07468451
ABSTRACT:
Process for preparing halide metallocene compounds comprising the step of reacting the dialkyl derivative with a halogenating agent of formula R3xTLwwherein: L is chlorine, iodine or bromine; R3is hydrogen or a hydrocarbon group; T is a metal of groups 2-14 of the periodic table of the elements; and x is ≧1 so that x+w is equal to the oxidation state of the metal T.
REFERENCES:
patent: 6869903 (2005-03-01), Matsunaga
patent: 6987196 (2006-01-01), Resconi et al.
patent: 7002031 (2006-02-01), Resconi et al.
patent: 2003/0008984 (2003-01-01), Kratzer et al.
patent: 2003/0013913 (2003-01-01), Schottek et al.
patent: 19962814 (2001-06-01), None
patent: 19962910 (2001-07-01), None
patent: 0129368 (1984-12-01), None
patent: 9102012 (1991-02-01), None
patent: 9200333 (1992-01-01), None
patent: 9519984 (1995-07-01), None
patent: 9936427 (1999-07-01), None
patent: 0075151 (2000-12-01), None
patent: 0162764 (2001-08-01), None
patent: 02083699 (2002-10-01), None
patent: 03057705 (2003-07-01), None
patent: 04037840 (2004-05-01), None
F. Wild et al., “ansa-Metallocene Derivatives; VII. Synthesis and Crystal Structure of a Chiralansa-Zirconocene Derviative with Ethylene-Bridged Tetrahydroindenyl Ligands,”Journal of Organometallic Chemistry, vol. 288, p. 63-67 (1985).
I. M. Lee et al., “Electronic Effects in Ziegler-Natta Polymerization of Propylene and Ethylene Using Soluble Metallocene Catalysts,”Organometallics, vol. 11, p. 2115-2122 (1992).
Balboni Davide
Guidotti Simona
Basell Polyolefine GmbH
Gonzalez Porfirio Nazario
Raphael Jarrod N.
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