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Timmers Francis J, Devore David D, Stevens James C, Rosen Robert K, Patton Jasson T, Neithamer David R: Biscyclopentadienyl diene complexes. Dow Chemical, May 28, 1997: EP0775148-A1 (26 worldwide citation)

Olefins are polymerized by the use of catalysts comprising biscyclopentadienyl, Group 4 transition metal complexes formed with conjugated dienes wherein the diene is bound to the transition metal either in the form of a sigma -complex or a pi -complex in combination with activating cocatalysts.


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PATTON JASSON T: Olefin metathesis process employing bimetallic ruthenium complex with bridging hydrido ligands. Dow Global Technologies, Purchase Claude F, May 6, 2010: WO/2010/051268 (19 worldwide citation)

An olefin metathesis process for converting a reactant olefin or a mixture of reactant olefins into one or more product olefins that are different from the reactant olefin(s). The process employs a catalyst system containing a carbene-generating agent and a bimetallic ruthenium complex comprising on ...


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Nickias Peter N, Patton Jasson T: 3-aryl substituted indenyl containing metal complexes and polymerization process. Dow Chemical, October 6, 1999: EP0946574-A1 (3 worldwide citation)

Group 4 metal constrained geometry complexes comprising a 3-aryl-substituted indenyl ligand, catalytic derivatives thereof and their use as olefin polymerization catalysts, especially for preparing interpolymers comprising ethylene and a monovinyl aromatic monomer are disclosed.


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Nickias Peter N, Mcadon Mark H, Patton Jasson T, Friedrichsen Bernard P, Soto Jorge, Stevens James C, Vanderlende Daniel D: Complexes metalliques contenant de lindenyle substitue et polymerisation des olefines, Substituted indenyl containing metal complexes and olefin polymerization process. The Dow Chemical Company, Dow Global Technologies, SMART & BIGGAR, May 1, 1997: CA2229608 (1 worldwide citation)

Group 4 metal complexes comprising an indenyl group substituted in the 2 or 3 position with at least one group selected from hydrocarbyl, perfluoro substituted hydrocarbyl, silyl, germyl and mixtures thereof, said indenyl group further being covalently bonded to the metal by means of a divalent liga ...


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Timmers Francis J, Devore David D, Stevens James C, Rosen Robert K, Patton Jasson T, Neithamer David R: Biscyclopentadienyl diene complexes, their preparation and catalyst compositions containing them. Dow Chemical, May 12, 1999: EP0915098-A2

Biscyclopentadienyl, Group 4 transition metal complexes are formed by contacting a biscyclopentadienyl Group 4 metal halide, hydrocarbyl, hydrocarbyloxy or amide complex with a conjugated diene. When combined with standard activating cocatalysts or activated with an activating technique, the complex ...


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Timmers Francis J, Devore David D, Stevens James C, Rosen Robert K, Patton Jasson T, Neithamer David R: Complexes biscyclopentadienyle-diene, Biscyclopentadienyl diene complexes. The Dow Chemical Company, Dow Global Technologies, SMART & BIGGAR, February 15, 1996: CA2195789

Biscyclopentadienyl, Group 4 transition metal complexes are formed by contacting a biscyclopentadienyl Group 4 metal halide hydrocarbyl, hydrocarbyloxy or amide complex with a conjugated diene. Uniquely, the ansa-rac diastereomer is selectively isolated and may be reconverted to the halide form if d ...


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Patton Jasson T, Wilson David R, Chen Eugene Y, Campbell Richard E Jr, Devore David D, Soto Jorge, Green Daniel Patrick: Process integre pour la preparation de complexes de dienes, Integrated process for preparation of diene complexes. The Dow Chemical Company, Dow Global Technologies, SMART & BIGGAR, September 16, 1999: CA2322324

Disclosed is a process for prepararing bridged Group 4 metal complexes containing a neutral dime ligand starting from the corresponding novel, metal diene containing complexes by reaction thereof with the divalent derivative of a bridged bidentate ligand compound. The novel, intermediate metal diene ...


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Mcadon Mark H, Nicklas Peter N, Patton Jasson T, Shankar Ravi B, Timmers Francis J, Vanderlende Daniel D, Kolthammer Brian W S, Ueligger Steven M: Complexes metalo-indenyliques substitues par des anneaux condenses et procede de polymerisation, Fused ring substituted indenyl metal complexes and polymerization process. The Dow Chemical Company, Dow Global Technologies, SMART & BIGGAR, June 25, 1998: CA2268440

Group 4 metal constrained geometry complexes comprising a fused ring indenyl derivative ligand, catalytic derivatives thereof, processes for preparing the same and their use as components of olefin polymerization catalysts are disclosed.