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
2007-03-06
2007-03-06
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...
C203S100000, C203S100000, C203S100000, C203S100000, C203S100000, C203S100000, C526S144000, C526S160000, C526S161000
Reexamination Certificate
active
10743039
ABSTRACT:
A catalyst component obtained by a process comprising contacting (a), (b) and (c) described below, a catalyst for addition polymerization using the catalyst component, and a process for producing an addition polymer with the catalyst for addition polymerization:(a) a compound represented by the chemical formula,in-line-formulae description="In-line Formulae" end="lead"?BiL1r,in-line-formulae description="In-line Formulae" end="tail"?(b) a compound represented by the chemical formula,in-line-formulae description="In-line Formulae" end="lead"?R1s-1T1H, andin-line-formulae description="In-line Formulae" end="tail"?(c) a compound represented by the chemical formula,in-line-formulae description="In-line Formulae" end="lead"?R2t-2T2H2,in-line-formulae description="In-line Formulae" end="tail"?wherein r is a numeral corresponding to a valence of Bi; L1is a hydrogen atom, a halogen atom, a hydrocarbon group or a hydrocarbon oxy group; T1and T2independently represents a non-metallic atom of Group 15 or 16 of the periodic table; s represents a numeral corresponding to a valence of T1; t represents a numeral corresponding to a valence of T2; R1is an electron-withdrawing group or an electron-withdrawing group-containing group; and R2represents a hydrocarbon group.
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patent: 2003/0069127 (2003-04-01), Taboort et al.
patent: WO02/051878 (2002-07-01), None
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Whitmire et al., Inorg. Chem., vol. 39, pp. 85-97, (2000).
Okado Yoshiya
Takaoki Kazuo
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