Patents
Patents for C08F 136 - Homopolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds (1,616)
02/2006
02/02/2006US20060025539 Modified polymers prepared with lanthanide-based catalysts
02/01/2006CN1729209A Polymerization processes
01/2006
01/31/2006US6992157 Synthetic polyisoprenes and a process for their preparation
01/31/2006US6992147 Modified polymers prepared with lanthanide-based catalysts
01/26/2006US20060020095 Process of obtaining an isoprene-enriched FCC C5 fraction and selective polymerization of isoprene from said fraction
01/26/2006US20060020094 Bicyclic conjugated diene polymer and bicyclic conjugated diene copolymer
01/17/2006CA2142229C Catalytic system and process for the production of polydiolefins
12/2005
12/22/2005US20050283036 Process for obtaining a butadiene homopolymer in the presence of monoolefin(s) with 4 carbon atoms
12/21/2005EP1509557B1 Catalytic system for preparing polybutadienes and preparation method
12/21/2005CN1709927A Method for preparing colorless terpene resin
12/20/2005US6977281 functionalized with agent comprising an imine group and a filler-interactive group; high cis microstructure and an affinity toward carbon black and silica fillers in tires
12/14/2005EP1603957A1 Polymerisation and oligomerisation catalysts
12/14/2005EP1293534B1 Crosslinkable rubber compositions and use thereof
12/07/2005CN1705687A Synthetic branched polyisoprenes and process for obtaining them
11/2005
11/24/2005US20050261453 Homopolymerizing isoprene in the presence of a preformed catalytic system based on conjugated diene monomer, rare earth organic phosphate, alkylaluminum, and alkylaluminum halide; reacting product with a branching agent (SnCl4, TiCl4); macrostructure and microstructure similar to those of natural rubber
11/09/2005CN1693321A Process for preparing rubber of high cis 1,4 polybutadiene Ni-Mg-beta catalyzing system
11/03/2005US20050245686 Isotactic propylene copolymer fibers, their preparation and use
10/2005
10/26/2005EP1587777A1 Method of obtaining an isoprene-enriched fcc c5 fraction and selective polymerisation of isoprene from said fraction
10/25/2005CA2216853C Novel (co)polymers and a novel polymerization process based on atom (or group) transfer radical polymerization
10/20/2005US20050233894 Polymerization catalyst
10/18/2005US6956093 Preparation of syndiotactic polybutadiene, rubber composition and tire with rubber component
09/2005
09/15/2005WO2005085306A1 Isotactic 3,4-isoprene polymer
09/08/2005US20050197475 Made of conjugated diolefin monomer, and at least one leaving group-bearing vinylaromatic monomer; good compatibility with fillers
08/2005
08/30/2005US6936670 polymerizing an ethylenically unsaturated monomer with multifunctional alkoxyamine as living polymerization initiator
08/24/2005EP1565501A1 Method for obtaining a butadiene hompolymer in the presence of mono-olefin(s) with 4 carbon atoms
08/18/2005US20050182221 Synthetic rubber that exhibits low hysteresis
08/18/2005US20050182213 Process for the preparation of polybutadiene with a low branching degree
08/18/2005US20050181935 Calcium-based catalyst system
08/17/2005CN1654492A Process for the preparation of polybutadiene with a low branching degree
08/04/2005US20050170951 Catalyst composition
08/03/2005CN1649919A Catalytic system for the preparation of polybutadienes and preparation process
07/2005
07/27/2005EP1557433A1 Process for the preparation of polybutadiene with a low branching degree
07/27/2005EP1556425A1 Synthetic branched polyisoprenes and method of obtaining same
07/20/2005CN1640898A Method for preparing low cis-polybutadiene by stepwise excitation
07/13/2005CN1210320C Polybutadiene/clay nano composite material and its preparing process
07/06/2005CN1635004A Process for producing high cis-polybutadiene rubber
06/2005
06/21/2005US6908975 Polymerization of 1,3-butadiene in the presence of solvents using polymerization catalyst comprising mixtures of neodymium and organoaluminum compounds, and boron compounds as flow control agents
06/16/2005US20050130835 suspension of a conjugated diene monomer, a rare earth organic phosphoric acid salt, a trialkyl aluminum or dialkyl aluminum hydride alkylating agent, and an alkylaluminum halide halogen donor, excluding alkylaluminum sesquihalides, in an inert organic solvent; low polydispersity; tire treads
06/15/2005EP1541593A1 Catalyst composition
06/14/2005US6906160 Isotactic propylene copolymer fibers, their preparation and use
05/2005
05/24/2005US6897270 Using polymerization catalyst containing rare earth compound
05/03/2005US6887956 As polymerization catalyst to polymerize 1,3-butadiene
04/2005
04/28/2005US20050090632 Noel (co) polymers and a novel polymerization process based on atom (or group) transfer radical polymerization
04/13/2005CN1196723C Process for preparing nickel series low mooney viscosity high cis-1, 4,-polybutadiene rubber
03/2005
03/09/2005EP1512700A1 Polymerization catalyst
03/02/2005EP1509557A1 Catalytic system for preparing polybutadienes and preparation method
01/2005
01/27/2005WO2004074333A3 Process for homo- or copolymerizationof conjugated olefines
01/26/2005EP1500667A1 Catalyst composition
01/04/2005US6838534 Catalytic system and process for the preparation of elastomers by means of this system
12/2004
12/21/2004CA2117950C Process for cis-1,4-polybutadiene production with reducel gel formation
12/15/2004CN1554682A Process for producing syndiotactic 1,2-polybutadiene
12/15/2004CN1179988C Optimized production process of terminal hydroxy liquid polybutadiene
11/2004
11/17/2004EP1476480A1 Polymerization process for preparing syndiotactic 1,2-polybutadiene
11/10/2004CN1544492A Technology for heat-insulated polymerization producing rare earth polybutadiene rubber
11/03/2004CN1174017C Technical method of preparing polynorbornene using beta diketone titanium non cyclopentadienyl catalyst
09/2004
09/30/2004WO2004083263A1 Polymerisation and oligomerisation catalysts
09/23/2004US20040186235 containing a rubbery polymer which is modified polybutadiene obtained by modifying high-cis/high-vinyl polybutadiene in the presence of a transition metal catalyst and which exhibits improved cold flow and is easy to control in terms of reactivity to a styrene monomer and particle size
09/16/2004WO2004065339B1 Method of obtaining an isoprene-enriched fcc c5 fraction and selective polymerisation of isoprene from said fraction
09/02/2004WO2004074333A2 Process for homo- or copolymerizationof conjugated olefines
09/02/2004US20040171897 Apparatus for humidification of hydrocarbon mixtures
08/2004
08/26/2004US20040167303 Multifunctional alkoxyamines based on polyalkylpiperidines, polyalkylpiperazinones and polyalkylmorpholinones and their use as polymerization regulators/initiators
08/25/2004CN1163530C Preparation method of small particle diameter polybutadiene latex
08/24/2004US6780948 Radiation transparent, pure rubber using coordination catalyst containing neodymium and aluminum compounds
08/18/2004CN1522247A Multifunctional alkoxyamines based on polyalkylpiperidines, polyalkylpiperazinones and polyalkylmorpholinones and their use as polymerization regulators/initiators
08/11/2004CN1520388A Humidification of hydrocarbon mixtures for use in polymer synthesis
08/11/2004CN1519269A Rubber modified and impact preventing polystyrene resin compsns.
08/05/2004WO2004065339A1 Method of obtaining an isoprene-enriched fcc c5 fraction and selective polymerisation of isoprene from said fraction
08/05/2004CA2513557A1 Method of obtaining an isoprene-enriched fcc c5 fraction and selective polymerisation of isoprene from said fraction
08/04/2004EP1443078A1 High impact polystyrene resin composition comprising a modified polybutadiene
07/2004
07/28/2004CN1515599A New (co-) polymer and polymerization method based on atom (or group) transfer free radical polymerization
06/2004
06/17/2004US20040116638 Continuous process for the production of conjugated diene polymers having narrow molecular weight distribution and products therefrom
06/16/2004CN1153790C Rare-earch catalyst for polymerization and copolymerization of diolefin
06/09/2004CN1152896C Process for producing polybutadiene
06/03/2004WO2004046213A1 Method for obtaining a butadiene hompolymer in the presence of mono-olefin(s) with 4 carbon atoms
06/01/2004US6743862 Crosslinkable rubber compositions and uses thereof
05/2004
05/27/2004US20040102589 Method for preparing high 1, 4-CIS polybutadiene having controlled cold flow
05/19/2004CN1150234C Novel-(co)polymers and novel polymerization process based on atom (or group) transfer raidcal polymerization
05/12/2004EP1417171A1 Multifunctional alkoxyamines based on polyalkylpiperidines, polyalkylpiperazinones and polyalkylmorpholinones and their use as polymerization regulators/initiators
05/12/2004CN1149235C Small amount of water adding preocess in preparing cis-rich 1,4-polybutadine tubber
05/05/2004CN1494556A Continuous process for production of conjugated diene polymers having narrow molecular weight distribution and products therefrom
05/05/2004CN1148390C Process for polymerizing 1,3-butadiene
04/2004
04/29/2004WO2004035638A1 Synthetic branched polyisoprenes and method of obtaining same
04/29/2004CA2503200A1 Synthetic branched polyisoprenes and method of obtaining same
04/20/2004US6723888 Humidification of hydrocarbon mixtures for use in polymer synthesis
04/13/2004US6720397 Polymerization process for preparing syndiotactic 1,2-polybutadiene
04/06/2004CA2094337C Process for the production of brominated chlorine-substituted poly-1,3-butadiene
03/2004
03/30/2004CA2079848C Diene polymers and copolymers terminated by reaction with aromatic nitriles
03/24/2004CN1484657A Catalytic system and method for preparing elastomers using same
03/03/2004CN1479754A Synthetic polyisoprenes and their preparation method
02/2004
02/12/2004US20040029722 Using coordination catalyst containing cobalt and aluminum
01/2004
01/29/2004US20040019171 Synthetic polyisoprenes and a process for their preparation
01/21/2004CN1468871A Process for producing conjugated diene polymer
01/15/2004US20040009870 Catalytic system based on a conjugated diene monomer, an organic phosphoric acid salt of a rare earth metal, an alkylating agent alkylaluminium compound, and a halogen donor alkylaluminium halide in a hydrocarbon solvent
01/14/2004CN1468263A Catalyst system for high-cis polybutadiene
01/08/2004WO2004003022A1 Catalyst composition
01/07/2004CN1465600A Process for preparing additively structured polynorbornene
01/07/2004CN1133664C Continuous polymerization process in Cis-1,4-polybutadiene rubber equipment with short-term stopping
12/2003
12/30/2003US6670435 Polymerizing 1,3-butadiene monomer in the presence of a catalyst system comprised of an organolithium compound,barium salt of a di-alkylated cyclohexanol or barium thymol, organoaluminum compound, a lithium salt of a cyclic alcohol
12/17/2003EP1370593A1 Continuous process for the production of conjugated diene polymers having narrow molecular weight distribution and products therefrom
12/11/2003WO2003102041A1 A two-step butadiene polymerization process for manufacturing high-cis 1,4-ploybutadiene
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