Method of polymerization

Details Method of polymerization Method of polymerization

2005-02-15

2005-02-15

Nazario-Gonzalez, Porfirio (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heavy metal containing

C556S052000, C556S042000, C556S057000, C556S118000, C556S138000

Reexamination Certificate

active

06855839

ABSTRACT:
This invention relates to a composition of matter represented by the formula below, and to a polymerization process comprising combining an olefin in the gas or slurry phase with an activator, a support and a compound represented by the following formula:whereinM is a group 3 to 14 metal,each X is independently an anionic leaving group,n is the oxidation state of M,m is the formal charge of the YZL ligand,Y is a group 15 element,Z is a group 15 element,L is a group 15 or 16 element,R1and R2are independently a C, to C20hydrocarbon group, a heteroatom containing group, silicon, germanium, tin, lead, phosphorus, a halogen,R1and R2may also be interconnected to each other,R3is absent, or is hydrogen, a group 14 atom containing group, a halogen, a heteroatom containing group,R4and R5are independently an aryl group, a substituted aryl group, a cyclic alkyl group, a substituted cyclic alkyl group, or multiple ring system,R6and R7are independently absent or hydrogen, halogen, a heteroatom or a hydrocarbyl group, or a heteroatom containing group.

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