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AssigneeBridgestone Americas Tire Operations, LLC
InventorsSteven M. BALDWIN, James KUHEL, III, Terrence E. HOGAN
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A method for preparing a polymer, the method comprising polymerizing conjugated diene monomer in the presence of a lanthanide-based catalyst system including (i) a lanthanide-containing compound, (ii) triethyl aluminum, (iii) an aluminum hydride, and (iv) a halogen-containing compound; or a method for preparing a polymer, the method comprising polymerizing conjugated diene monomer in the presence of a lanthanide-based catalyst system including (i) a nickel-containing compound, (ii) triethyl aluminum, (iii) an aluminum hydride, and (iv) a halogen-containing compound selected from fluorine-containing compounds and chlorine-containing compounds.
A method for preparing a polymer, the method comprising polymerizing conjugated diene monomer in the presence of a lanthanide-based catalyst system including:
A polymer prepared by of polymerizing conjugated diene monomer in the presence of a lanthanide-based catalyst system including:
A tire component prepared by employing a polymer prepared by polymerizing conjugated diene monomer in the presence of a lanthanide-based catalyst system including:
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Dependencies are inferred from the claim text.