Metal compound, and catalyst component and catalyst for...

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

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Details

C502S150000, C502S153000, C502S154000, C502S156000, C502S162000, C526S072000

Reexamination Certificate

active

07008897

ABSTRACT:
A metal compound obtained by a process comprising the step of contacting, in a specific ratio, a compound represented by the formula BiL1r, a compound represented by the formula R1s-1TH, and a compound represented by the formula R23-nJ(OH)n; a catalyst component for addition polymerization comprising the metal compound; a catalyst for addition polymerization using the catalyst component; and a process for producing an addition polymer using the catalyst.

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patent: 6191241 (2001-02-01), Starzewski et al.
patent: 6586356 (2003-07-01), Takaoki et al.
K. Whitmire et al., “Oligomerization and Oxide Formation in Bismuth Aryl Alkoxides: Synthesis and Characterization of Bi4(μ4-O)(μ-OC6F5)6(μ3- OBi(μ- OC6F5)3)2(C6H5CH3), Bi8(μ4-O)2(μ3-O)2(μ-OC6F5)16Bi6(μ3-O)4(μ3-OC6F5)(μ3-Obi(OC6F5)4)3, NaBi4(μ3-O)2(OC6F5)9(THF)2, and Na2Bi4(μ3-OC6F5)10(THF)2”, Inorg. Chem. 2000, 39, pp. 85-97.
C. Jones et al., “Hypervalent Bismuth Alkoxide Dimer Complexes: Synthesis, Structure, and Thermal Decompositions of [Bi(OCH(CF3)2)2(μ-OCH(CF3)2)(THF)]2and [Bi(OC6F5)2(μ-OC6F5)Xa]2zY (X =Y C7H8, n =1, z =1 or 2: X =THF, Y =C6H14, n =2, z =0 or 1)”, Inorg. Chem. 1993, 32, pp. 5136-5144.

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