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Steven Luo, Copley US

Steven Luo, Copley, OH US

Patent application numberDescriptionPublished
20080275199POLYMERIZATION PROCESS FOR PRODUCING POLYDIENES - There is disclosed a process for producing a conjugated diene-containing polymer wherein a stream comprising conjugated diene monomer and a specified catalyst, that includes a lanthanide compound and an aluminoxane, is passed through an orifice into the reaction zone of a polymerization vessel, maintained under specific pressure conditions to form a cement having a viscosity that allows the cement to be conveyed through a devolatilization zone, where desired.11-06-2008
20090043046Process for producing functionalized polymers - A method for preparing a functionalized polymer, the method comprising the steps of (a) polymerizing monomer in the presence of a coordination catalyst to form a polymer, (b) inhibiting said step of polymerizing with a Lewis base, and (c) reacting the polymer with a functionalizing agent.02-12-2009
20090043055Polyhydroxy compounds as polymerization quenching agents - A method for quenching an active polymerization mixture, the method comprising introducing a polyhydroxy compound to an active polymerization mixture.02-12-2009
20090099325POLYMERS FUNCTIONALIZED WITH HETEROCYCLIC NITRILE COMPOUNDS - A method for preparing a functionalized polymer, the method comprising the steps of preparing a reactive polymer and reacting the reactive polymer with a heterocyclic nitrile compound.04-16-2009
20090171035POLYMERS FUNCTIONALIZED WITH POLYIMINE COMPOUNDS - A method for preparing a functionalized polymer, the method comprising the steps of (i) polymerizing conjugated diene monomer by employing a lanthanide-based catalyst to form a reactive polymer, and (ii) reacting the reactive polymer with a polyimine compound.07-02-2009
20090171046PROCESS FOR PRODUCING POLYDIENES - A process for preparing a polydiene, the process comprising the step of polymerizing conjugated diene monomer in the presence of a dihydrocarbyl ether, where said step of polymerizing employs a lanthanide-based catalyst system.07-02-2009
20090253869METHOD FOR BULK POLYMERIZATION - A method for polymerizing conjugated diene monomer into polydienes, the method comprising: polymerizing conjugated diene monomer within a liquid-phase polymerization mixture that includes conjugated diene monomer, a lanthanide-based catalyst system, dicyclopentadiene or substituted dicyclopentadiene, and optionally organic solvent, with the proviso that the organic solvent, if present, is less than about 20% by weight based on the total weight of the polymerization mixture.10-08-2009
20090299019PROCESS FOR PRODUCING POLYDIENES - A process for preparing a polydiene, the process comprising the step of polymerizing conjugated diene monomer in the presence of a dihydrocarbyl ether, where said step of polymerizing takes place within a polymerization mixture that includes less than 20% by weight of organic solvent based on the total weight of the polymerization mixture, and where said step of polymerizing employs a lanthanide-based catalyst system that includes the combination of or reaction product of ingredients including (a) a lanthanide compound, (b) an aluminoxane, (c) an organoaluminum compound other than an aluminoxane, and (d) a bromine-containing compound selected from the group consisting of elemental bromine, bromine-containing mixed halogens, and organic bromides.12-03-2009
20090326161FUNCTIONALIZED POLYMERS AND IMPROVED TIRES THEREFROM - A tire component comprising a vulcanized residue of a functionalized polymer defined by the formula I12-31-2009
20100004413BULK POLYMERIZATION PROCESS FOR PRODUCING POLYDIENES - A process for preparing a polydiene, the process comprising the step of polymerizing conjugated diene monomer with a lanthanide-based catalyst system including the combination or reaction product of: (a) a lanthanide compound selected from the group consisting of lanthanide organophosphates, lanthanide organophosphonates, and lanthanide organophosphinates, (b) an alkylating agent, and (c) a chlorine-containing compound, where said step of polymerizing takes place within a polymerization mixture that includes less than 20% by weight of solvent based on the total weight of the polymerization mixture.01-07-2010
20100004414POLYMERS FUNCTIONALIZED WITH IMIDE COMPOUNDS CONTAINING A PROTECTED AMINO GROUP - A method for preparing a functionalized polymer, the method comprising the steps of preparing a reactive polymer and reacting the reactive polymer with an imide compound containing a protected amino group.01-07-2010
20100137520Branched Polymers and Methods for Their Synthesis and Use - Branched polymers including multi-branched polymers, functionalized branched polymers, star-branched polymers, and dendigraft polymers. Methods for the synthesis of branched polymers and method for the use of branched polymers in tire components are also included.06-03-2010
20100168378POLYMERS FUNCTIONALIZED WITH NITROSO COMPOUNDS - A method for preparing a functionalized polymer, the method comprising the steps of: (i) polymerizing monomer with a coordination catalyst to form a reactive polymer; and (ii) reacting the reactive polymer with a nitroso compound.07-01-2010
20100216956PROCESS AND CATALYST SYSTEM FOR POLYDIENE PRODUCTION - Compositions and polydiene production processes involving catalyst systems comprising at least one lanthanide-containing compound, at least one alkylating agent, at least one halogen source, and at least one N,N-dihydrocarbylhydroxylamine.08-26-2010
20100273963PROCESS FOR PRODUCING POLYDIENES - A process for preparing a polydiene, the process comprising the step of polymerizing conjugated diene monomer in the presence of a dihydrocarbyl ether, where said step of polymerizing employs a lanthanide-based catalyst system.10-28-2010
20100280217POLYMERS FUNCTIONALIZED WITH HETEROCYCLIC NITRILE COMPOUNDS - A method for preparing a functionalized polymer, the method comprising the steps of preparing a reactive polymer and reacting the reactive polymer with a heterocyclic nitrile compound.11-04-2010
20100311899FUNCTIONALIZED POLYMER AND METHODS FOR MAKING AND USING - A functionalized polymer includes a polymer chain and a terminal functionality that includes at least one disilylamino group. The polymer can be the reaction product of a terminally active polymer chain and a compound that includes at least one disilylamino group and a group capable of reacting with terminally active polymers. Methods for making and using such polymers also are provided, as are compositions containing the polymer and one or more types of filler particles as well as vulcanizates provided from such compositions.12-09-2010
20100317818POLYMERS FUNCTIONALIZED WITH HALOSILANES CONTAINING AN AMINO GROUP - A method for preparing a functionalized polymer, the method comprising the steps of preparing a reactive polymer, and reacting the reactive polymer with a halosilane compound containing an amino group.12-16-2010
20110046327METHOD FOR BULK POLYMERIZATION - A method for polymerizing conjugated diene monomer into polydienes, the method comprising: polymerizing conjugated diene monomer within a liquid-phase polymerization mixture that includes conjugated diene monomer, a lanthanide-based catalyst system, dicyclopentadiene or substituted dicyclopentadiene, and optionally organic solvent, with the proviso that the organic solvent, if present, is less than about 20% by weight based on the total weight of the polymerization mixture.02-24-2011
20110077325FUNCTIONALIZED POLYMERS AND METHODS FOR THEIR MANUFACTURE - A method for preparing a functionalized polymer, the method comprising the steps of (i) polymerizing monomer with a coordination catalyst to form a reactive polymer; and (ii) reacting the reactive polymer with a carboxylic or thiocarboxylic ester containing a silylated amino group.03-31-2011
20110144282POLYMERS FUNCTIONALIZED WITH IMIDE COMPOUNDS CONTAINING A PROTECTED AMINO GROUP - A method for preparing a functionalized polymer, the method comprising the steps of preparing a reactive polymer and reacting the reactive polymer with an imide compound containing a protected amino group.06-16-2011
20110152449POLYMERS FUNCTIONALIZED WITH POLYOXIME COMPOUNDS AND METHODS FOR THEIR MANUFACTURE - A method for preparing a functionalized polymer, the method comprising the steps of polymerizing monomer to form a reactive polymer, and reacting the reactive polymer with a protected polyoxime compound.06-23-2011

Patent applications by Steven Luo, Copley, OH US