| Patent application number | Description | Published |
| 20080275199 | POLYMERIZATION 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 |
| 20090043046 | Process 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 |
| 20090043055 | Polyhydroxy 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 |
| 20090099325 | POLYMERS 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 |
| 20090171035 | POLYMERS 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 |
| 20090171046 | PROCESS 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 |
| 20090253869 | METHOD 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 |
| 20090299019 | PROCESS 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 |
| 20090326161 | FUNCTIONALIZED POLYMERS AND IMPROVED TIRES THEREFROM - A tire component comprising a vulcanized residue of a functionalized polymer defined by the formula I | 12-31-2009 |
| 20100004413 | BULK 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 |
| 20100004414 | POLYMERS 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 |
| 20100137520 | Branched 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 |
| 20100168378 | POLYMERS 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 |
| 20100216956 | PROCESS 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 |
| 20100273963 | PROCESS 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 |
| 20100280217 | POLYMERS 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 |
| 20100311899 | FUNCTIONALIZED 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 |
| 20100317818 | POLYMERS 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 |
| 20110046327 | METHOD 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 |
| 20110077325 | FUNCTIONALIZED 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 |
| 20110144282 | POLYMERS 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 |
| 20110152449 | POLYMERS 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 |