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)
12/2003
12/10/2003EP1368291A1 Humidification of hydrocarbon mixtures for use in polymer synthesis
12/03/2003CN1459462A Technical method of preparing polynorbornene using beta diketone titanium non cyclopentadienyl catalyst
11/2003
11/27/2003WO2003097708A1 Catalytic system for preparing polybutadienes and preparation method
11/26/2003CN1458175A Polybutadiene/clay nano composite material and its preparing process
11/20/2003WO2003095503A1 Polymerization catalyst
11/20/2003US20030216528 Novel (co)polymers and a novel polymerization process based on atom (or group) transfer radical polymerization
11/05/2003EP1358229A1 Synthetic polyisoprenes and their preparation method
10/2003
10/29/2003EP1355960A1 Catalytic system and method for preparing elastomers using same
10/09/2003WO2003082932A1 Catalyst composition
10/02/2003US20030187162 Synthesis of polyisoprene with neodymium catalyst
10/01/2003CN1445252A Conjugated alkadiene polymer rubbers with no-color and low gelatin and its preparing method
09/2003
09/30/2003US6627722 Functionalized elastomers
09/24/2003CN1122050C Process of solution polymerizing for preparing styrene-butadiene rubber or butadiene rubber
09/23/2003US6624263 Redox reaction between a transition metal for controlled radical polymerization of styrene and/or (meth)acrylates using organic halides as halogen atom transfer initiators and transition metal complexes as a catalyst
09/18/2003US20030176611 Bicomponent filaments comprising ethylene-propylene copolymers having narrow molecular weight distribution, used as carpets, synthetic hair, diapers, sports or medical equipment, upholstery or bandages
09/17/2003CN1442437A Production process of terminal hydroxy liquid polybutadiene
09/17/2003CN1442436A Optimized production process of terminal hydroxy liquid polybutadiene
09/16/2003US6620760 Process and iron-based catalyst composition for the production of syndiotactic 1,2-polybutadiene
09/09/2003US6617406 Synthesis of elastomeric high trans-1,4-polybutadiene
09/04/2003WO2003072617A1 Polymerization process for preparing syndiotactic 1,2-polybutadiene
09/04/2003US20030166802 Using supersaturation solutiton and iron coordination catalyst
08/2003
08/19/2003US6608154 Process for synthesizing trans polydiene rubber
08/19/2003CA2036670C Syndiotactic 1,2-polybutadiene synthesis in an aqueous medium
08/05/2003US6602967 Use of deaminatively-generated carbocation as polymerization initiators
07/2003
07/22/2003US6596828 Catalyst composition
07/17/2003US20030134997 Tire tread composed of a conjugated diene polymer containing units of a vinylaromatic ring-substituted with one or two alkyleniminealkyl groups, especially pyrrolidinylmethyl- or hexamethyleniminomethyl-
07/09/2003EP1325040A2 Catalyst system for high-cis polybutadiene
07/09/2003CN1113906C Synthesis method of epoxidation trans-1,4-polyisoprene
07/09/2003CN1113902C Process for preparing epoxidized rubber
07/01/2003US6586542 Process for controlling degree of branch of high 1,4-cis polybutadiene
06/2003
06/26/2003WO2003051942A1 Procedure for the formulation of a catalyst for the manufacture of cis-1,4-polybutadiene of controllable molecular weight
06/25/2003CN1425699A Synthesis of medium and low relative molecular mass trans-1,4-polyisoprene wax and trans-1,4-poly butadiene wax
06/25/2003CN1425698A Process for preparing nickel series low mooney viscosity high cis-1,4,-polybutadiene rubber
06/19/2003US20030114612 A copolymer with vinylaromatic monomer and coupling agent, an alkali metal compound; vulcanizate rubber molding material and molded articles tire, a tire structural part, a golf ball, a rubber-reinforced plastic
06/11/2003EP1183283B1 Molybdenum-based catalyst composition for polymerizing conjugated dienes
05/2003
05/21/2003EP1312622A1 Process for the preparation of linear or branched 1,4-cis polybutadiene
05/13/2003US6562917 Ziegler-Natta catalyst prepared by adding a diethylzinc compound as an alkylating and molecular-weight-controlling agent to a mixture of an organonickel compound and borontrifluoride etherate followed by aging.
04/2003
04/24/2003US20030078351 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
04/08/2003US6545107 Molydenum-based catalyst composition for producing syndiotactic 1,2-polybutadiene
04/03/2003US20030065114 Synthesis of elastomeric high trans-1,4-polybutadiene
04/02/2003CN1406992A Electrophilic group modified coupling diene polymer
03/2003
03/19/2003EP1293534A1 Crosslinkable rubber compositions and use thereof
03/18/2003US6533008 Pneumatic tire having a rubber component containing a liquid polysulfide compound
03/06/2003WO2003018649A1 Cobalt complexes useful in the polymerization of 1,3-butadiene
03/04/2003US6528588 Polymerization of 1,3-butadiene in the presence of a catalyst made of a chromium compound, a hydrogen phosphite, an organomagnesium compound, a molybdenum containing compound and an organoaluminum compound
02/2003
02/12/2003EP1283220A1 Coupled diene polymers modified with electrophilic groups
02/06/2003CA2396687A1 Coupled diene polymers modified with electrophilic groups
01/2003
01/28/2003US6512060 Atom or group transfer radical polymerization
01/23/2003US20030018144 Catalyst composition
01/22/2003EP1276781A2 USE OF A Mo-BASED CATALYST COMPOSITION TO CONTROL THE CHARACTERISTICS OF CONJUGATED DIENE POLYMERS
01/16/2003WO2003004471A1 Multifunctional alkoxyamines based on polyalkylpiperidines, polyalkylpiperazinones and polyalkylmorpholinones and their use as polymerization regulators/initiators
01/16/2003US20030013818 Crosslinkable rubber compositions and uses thereof
01/16/2003CA2450232A1 Multifunctional alkoxyamines based on polyalkylpiperidines, polyalkylpiperazinones and polyalkylmorpholinones and their use as polymerization regulators/initiators
01/15/2003EP1274752A2 USE OF A Cr- OR Mo-BASED CATALYST SYSTEM TO PRODUCE BLENDS OF SYNDIOTACTIC 1,2-POLYBUTADIENE AND RUBBERY ELASTOMERS
01/01/2003CN1388813A Crosslinkable rubber composition and use thereof
12/2002
12/26/2002US20020198337 Reaction product of an molybdenum- containing compound, a silyl phosphonate; and an organoaluminum compound catalyst used for polymerizing conjugated diene monomer
12/19/2002WO2002100910A1 Molybdenum-based catalyst composition for producing syndiotactic 1,2-polybutadiene
12/19/2002US20020193538 Novel (CO) polymers and a novel polymerization process based on atom (or group) transfer radical polymerization
12/05/2002US20020183469 Process for synthesizing trans polydiene rubber
12/03/2002US6489415 In the presence of an organolithium, a barium salt of a cyclic alcohol and/or barium thymolate and an organoaluminum
11/2002
11/19/2002US6482906 Process for preparing and using neodymium neodecanoate
11/14/2002WO2002090396A1 Sys-1, 4-polybutadiene production method
10/2002
10/15/2002US6465585 Chromium-based catalyst composition for producing conjugated diene polymers
09/2002
09/26/2002US20020137862 Preparation of conjugated diene polymers by using an iron-based catalyst system
09/25/2002EP1242482A1 Iron-based catalyst for producing binary cis-1,4-/1,2-polybutadiene
09/25/2002EP1242481A1 Preparation of conjugated diene polymers by using an iron-based catalyst system
09/19/2002WO2002072510A1 Humidification of hydrocarbon mixtures for use in polymer synthesis
09/19/2002US20020132942 Pretreatment before polymerization
09/17/2002US6451934 Process for preparation of high 1,4-CIS polybutadiene
09/11/2002EP1237961A1 Iron-based catalyst composition and process for producing conjugated diene polymers
09/11/2002EP1237935A1 Modified polymers prepared with lanthanide-based catalysts
09/06/2002WO2002068484A1 Continuous process for the production of conjugated diene polymers having narrow molecular weight distribution and products therefrom
08/2002
08/29/2002WO2002066525A1 Chromium-based catalyst composition
08/27/2002US6441107 Molecular weight control of gas phase polymerized polybutadiene when using a rare earth catalyst
08/22/2002US20020115558 Chromium-based catalyst composition for producing conjugated diene polymers
08/15/2002WO2001079309A3 USE OF A Cr- OR Mo-BASED CATALYST SYSTEM TO PRODUCE BLENDS OF SYNDIOTACTIC 1,2-POLYBUTADIENE AND RUBBERY ELASTOMERS
08/14/2002EP1230273A1 Modified polymers prepared with lanthanide-based catalysts
07/2002
07/18/2002WO2002030997A3 Catalyst system for high-cis polybutadiene
07/17/2002CN1358776A Process for polymerizing 1,3-butadiene
07/04/2002US20020086961 Process for synthesizing trans-1,4-polybutadiene
06/2002
06/18/2002US6407187 (Co)polymers and a novel polymerization process based on atom (or group) transfer radical polymerization
06/04/2002US6399732 Adjusting the ratio of the catalyst system comprising an iron compound, a hydrogen phosphonate or phosphite and an organo-aluminum compound to obtain good yields of syndiotactic 1,2-polybutadiene or an amorphous high vinyl polymer
05/2002
05/16/2002WO2002038636A1 Catalytic system and method for preparing elastomers using same
05/16/2002WO2002038635A1 Synthetic polyisoprenes and their preparation method
05/16/2002CA2427984A1 Catalytic system and method for preparing elastomers using same
05/14/2002US6388030 Iron-based catalyst composition and process for producing syndiotactic 1,2-polybutadiene
05/08/2002CN1084338C Process for catalytic synthesizing soluble cyclopolymerized diolefin by rare earth
05/08/2002CN1084337C Composition and preparing method for butadiene gas-phase polymerization rare earth catalyst
05/02/2002EP1201687A1 Synthesis of elastomeric high trans-1,4-polybutadiene
04/2002
04/24/2002CN1083435C Conjugated N-fluoropyridinium salt polymer and use thereof
04/18/2002WO2002030997A2 Catalyst system for high-cis polybutadiene
04/18/2002US20020045721 Ziegler-Natta catalyst prepared by adding a diethylzinc compound as an alkylating and molecular-weight-controlling agent to a mixture of an organonickel compound and borontrifluoride etherate followed by aging.
04/18/2002US20020045720 Calcium-based catalyst system
04/18/2002CA2425441A1 Catalyst system for high-cis polybutadiene
04/10/2002CN1343730A Process for preparing meta-copolymerized 1,2-butadiene catalyst
04/02/2002US6365669 Emulsion polymerization of butadiene latex and agglomeration
03/2002
03/28/2002US20020037967 Process for producing blends of syndiotactic 1,2-polybutadiene and rubbery elastomers with a chromium-based catalyst system
03/19/2002US6359088 Calcium-based catalyst system
03/06/2002EP1183283A1 Molybdenum-based catalyst composition for polymerizing conjugated dienes
02/2002
02/28/2002WO2001079470A3 USE OF A Mo-BASED CATALYST COMPOSITION TO CONTROL THE CHARACTERISTICS OF CONJUGATED DIENE POLYMERS
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