Synthetic resins or natural rubbers -- part of the class 520 series inventions

20090270567 - Olefin oligomerization: Provided is a method of oligomerizing alpha olefins. In an embodiment, an oligomerization catalyst system is contacted in at least one continuous reactor with a feed comprising olefins; an effluent comprising product olefins having at least four carbon atoms is withdrawn from the reactor; the oligomerization catalyst system comprises iron... Agent: Chevron Phillips Chemical Company

20090270566 - Olefin polymerization processes and catalysts for use therein: Polymerization process and polymers formed therefrom are described herein. The polymerization processes generally include introducing an olefin monomer into a reaction vessel, introducing a single-site transition metal catalyst into the reaction vessel, introducing a multi-functional block copolymer non-ionic surfactant into the reaction vessel, contacting the olefin monomer with the catalyst... Agent: Fina Technology Inc

20090270568 - Process for the manufacture of 1,2-dichloroethane: Process for the manufacture of 1,2-dichloroethane (DCE) starting from a stream of ethane which is subjected to a catalytic oxydehydrogenation (ODH) thus producing a gas mixture containing ethylene which is then dried and conveyed to a chlorination reactor supplied with a flow of chlorine so that at least 10% of... Agent: Solvay C/o B. Ortego - Iam-nafta

20090270569 - Activators for the homo-or co-polymerisation of alpha-olefins with homogeneous metallocene catalyst systems: The present invention discloses a class of metallocene catalyst systems suitable for the homogeneous polymerisation of ethylene or alpha olefins that does not require the addition of aluminoxane or perfluorophenylborates as activating agent.... Agent: Fina Technology Inc

20090270570 - Method for producing polyolefin and catalyst component used for production of polyolefin: Provided is a method of commercially advantageously producing a high-quality polyolefin with high yield in a homogeneous system in the presence of a catalyst containing a transition metal compound as a main catalyst component. A method of producing a polyolefin includes polymerizing one or more substances selected from ethylene and... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090270571 - Catalyst activators, processes for making same, and use thereof in catalysts and polymerization of olefins: A composition useful for activating catalysts for olefin polymerization Is provided. The composition is derived from at least: carrier; treated organoaluminoxy compound: and ionic compound having at feast one active proton.... Agent: Albemarle Corporation Patent Department

20090270572 - Oxymethylene copolymers and the use thereof and process for the preparation of oxymethylene copolymers: Furthermore, a process for the preparation of oxymethylene copolymers is described in which the polymerization of at least one monomer forming —CH2—O— units is effected in the presence of at least one acetal of formaldehyde and of at least one initiator of cationic polymerization and the initiator of cationic polymerization... Agent: Dority & Manning, P.A.

20090270573 - Process for coagulating perfluoroelastomers: In a process for the manufacture of perfluoroelastomers, a weak organic acid, e.g. glacial acetic acid, is employed to coagulate an acidic perfluoroelastomer dispersion.... Agent: Dupont Performance Elastomers L.L.C.

20090270575 - Method of preparing derivatives of polyarylene vinylene and method of preparing an electronic device including same: A technique is described for the preparation of polymers according to a process in which the starting compound of formula (I) is polymerized in the presence of a base in an organic solvent. No end chain controlling agents are required during the polymerisation to obtain soluble precursor polymers. The precursor... Agent: Knobbe Martens Olson & Bear LLP

20090270574 - Radically polymerizable compound having a cyclic dithiocarbonate group: (In the formula, R1 to R3 each independently represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, X represents an alkylene group having 1 to 4 carbon atoms.) and a radically polymerizable double bond and a composition for an optical material comprising the same have... Agent: Sughrue Mion, PLLC

20090270576 - Optical films comprising fluorenol (meth)acrylate monomer: Microstructured optical films and polymerizable resin compositions comprising at one aromatic monomer or oligomer having at least two polymerizable (meth)acrylate groups and a fluorenol (meth)acrylate monomer.... Agent: 3m Innovative Properties Company

20090270577 - Pressure-sensitive adhesive comprising a c10 alkyl (meth)acrylate: A pressure-sensitive adhesive comprising a synthetic polymer binder, wherein the polymer has been synthesized from 10% to 100% by weight of a C10 alkyl (meth)acrylate and the alkyl group of the C10 alkyl (meth)acrylate has a propyl group as substituent (referred to subsequently as C10 alkyl (meth)acrylate).... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090270578 - Catalytic system for obtaining conjugated diene/mono-olefin copolymers and these copolymers: p

20090270579 - Process for the manufacture of 1,2-dichloroethane: Process for the manufacture of 1,2-dichloroethane (DCE) starting from a stream of ethane which is subjected to a catalytic oxydehydrogenation (ODH) producing a gas mixture containing ethylene, then dried and subjected to an absorption to be separated into a fraction enriched with the compounds that are lighter than ethylene containing... Agent: Solvay C/o B. Ortego - Iam-nafta

20090270580 - Ethylene polymer, and thermoplastic resin composition comprising the same, and molded product obtained therefrom: The molded products of the invention including the ethylene polymers of the invention have excellent anti-blocking property and low temperature heat sealing property, as well as excellent mechanical strength and thus are suitably applicable to a film and the like.... Agent: Foley And Lardner LLP Suite 500

20090264603 - Process for producing cyclic olefin random copolymer: A process for producing a cyclic olefin random copolymer by copolymerizing ethylene with a specific cyclic olefin in the presence of a polymerization catalyst containing a transition metal catalyst component and a co-catalyst component, wherein in the process for producing a cyclic olefin random copolymer, at least one component of... Agent: Buchanan, Ingersoll & Rooney PC

20090264604 - Metallocene complex and polymerization catalyst composition containing the same: Disclosed are a metallocene complex represented by the general formula (I), (II) or (III), and a polymerization catalyst composition containing such a metallocene complex. In the formulae (I), (II) and (III), M represents a lanthanoid element, scandium or yttrium; CpR independently represents an unsubstituted or substituted indenyl; CpR′ represents an... Agent: Wenderoth, Lind & Ponack, L.L.P.

20090264606 - Process for the manufacture of branched polypropylene: c. the polymerization of propylene and optionally one or more other comonomers is conducted in said reaction vessel in the presence of a catalyst system having a surface area of not more than 350 m2/g, measured according to ISO 9277, and said catalyst system comprises a metallocene catalyst having zirconium... Agent: Mcandrews Held & Malloy, Ltd

20090264605 - Technique for selecting polymerization modifiers corss reference statement: A combinatorial method for identifying a catalyst composition for use in the homogeneous addition polymerization of an olefin monomers, said catalyst composition comprising a transition metal compound, a cocatalyst and a polymerization modifier, as well as catalyst compositions and improved olefin polymerization processes resulting therefrom.... Agent: Jennifer Adamson The Dow Chemical Company

20090264607 - Use of a ziegler-natta catalyst to make a polypropylene hompolymer or random copolymer having a high melt flow rate: The present invention relates to a process for the production of a high melt flow propylene homopolymer or random copolymer with low odor and low volatiles content, which is suitable for thin-walled injection molding applications, said process comprising the step of polymerizing propylene and one or more optional comonomers in... Agent: Fina Technology Inc

20090264608 - Method for producing norbornene based addition (co)polymer: By specifying a catalyst system (combination of catalyst and cocatalyst) which has high polymerization activity, a norbornene based addition (co)polymer is efficiently produced. Specifically, C5H5NiCH3(PPh3) as a catalyst and B(C6F5)3 as a cocatalyst are used for producing a norbornene based addition polymer. Furthermore, C5H5NiCH3(PPh3) as a catalyst and B(C6F5)3 as... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090264609 - Single site catalyst systems having a scorpion-like structure: The present invention discloses single site catalyst systems having scorpion-like three dimensional structure that are suitable for oligomerising or polymerising ethylene and alpha-olefins.... Agent: Fina Technology Inc

20090264610 - Novel copolymer of methacrylic ester, composition, optical element and electric member: A copolymer of (meth)acrylic ester represented by a general formula (1) including a following repeating unit A and repeating unit B. In the general formula (1), R1 and R2 each independently represent hydrogen atom or methyl group; R3 represents an alkyl group having 1 to 4 carbon atoms; Y represents... Agent: Marshall, Gerstein & Borun LLP

20090259005 - Monomer/solvent separation and recycle process for propylene containing polymers: Monomer/solvent separation and recycle processes for continuous supercritical, solution and advanced solution polymerization processes for propylene-containing polymers and their blends are provided. The advantageous monomer/solvent separation and recycle process includes heating a polymer-lean recycle stream coming from a gravimetric separator positioned downstream of the reactor to form a heated polymer-lean... Agent: Exxonmobil Research And Engineering Company

20090259006 - Propylene polymer, method for production of the propylene polymer, propylene polymer composition, and molded article manufactured from the composition: Disclosed is a production method of polypropylene having high MFR value and excellent product qualities with high productivity. The method enables to produce a propylene polymer by a gas phase process where the reaction heat is removed mainly by the heat of vaporization of liquefied propylene. The method is characterized... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090259007 - Process for the polymerization of olefins: s

20090259008 - Vinyl monomer and polymer derived from the monomer, and light emitting device using the polymer: It is an object of the present invention to provide a polymer that is soluble in an organic solvent with a low polarity and has a high hole injecting property without adding a dopant for enhancing a hole injecting property. For that object, the present invention provides a vinyl monomer... Agent: Fish & Richardson P.C.

20090259009 - Propylene polymers: A polypropylene resin comprising a propylene polymer endowed with the following characteristics: a) distribution of molecular weight Mw/Mn lower than 4; b) the melt-viscosity measured at a temperature of 250° C. in the shear rate range between 1000 1/s and 40000 1/s meet the following relationship: c) h 9*e(−0.00006*sr)+2 a.... Agent: Basell Usa Inc.

20090253872 - Acetylene-based polymer: wherein, n is an integer of 10 to 10,000; each A represents a group selected from a naphthyl group, a phenanthryl group, a pyrenyl group and an anthryl group, which is mono- or di-substituted with a group selected from alkyl groups, alkyl groups substituted with aromatic hydrocarbon groups, R1—O— groups,... Agent: Birch Stewart Kolasch & Birch

20090253873 - Solid catalyst component and catalyst for polymerization of olefin, and method for producing polymer or copolymer of olefin using the same: A catalyst for polymerization of olefins and a process for producing an olefin polymer or copolymer are disclosed. The catalyst comprises (a) a solid catalyst component obtained by causing an organosilicon compound (b) represented by the formula, [CH2═CH—(CH2)n]qSiR34-q, and an organoaluminum compound to come in contact with a solid component... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090253874 - Solid catalyst component for olefin polymerization, catalyst and method for producing olefin polymer by using same: A solid catalyst component for polymerization of olefins, a catalyst for polymerization of olefins, and a method for producing an olefin polymer are provided. The solid catalyst component (A) is obtained by causing a solid component (a) containing magnesium, titanium, and a halogen atom to come in contact with an... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090253875 - Rare earth metal complex, polymerization catalyst and method for producing polymer: in which A represents a Group 14 element of the periodic table, Cp represents a group having a substituted or unsubstituted cyclopentadienyl anion moiety, Ln represents a Group 3 metal atom or a lanthanoid metal atom, R1 to R6 are the same or different, and represent a hydrogen atom, a... Agent: Foley And Lardner LLP Suite 500

20090253876 - Fluorene derivative, transition metal compound, catalyst for olefin polymerization, and process for producing olefin polymer: wherein R1, R2, R3, R5, R6, R7, R8, R9, R10, R11, R12, and R14 are each selected from hydrogen, a hydrocarbon group, and a silicon-containing group, and may be the same as or different from each other, R4 and R13 are each selected from hydrogen, a hydrocarbon group, a silicon-containing... Agent: Foley And Lardner LLP Suite 500

20090253878 - Branched polyolefin polymer tethered with polymerizable methacryloyl groups and process for preparing same: A polyolefin polymer comprising one or more terminal polymerizable methacryloyl groups (i.e. tethered to the main body of the polymer) and a novel process for preparing same are herein disclosed. A hyperbranched polyethylene polymer and a process for preparing same are also disclosed. The polymer is prepared by a novel... Agent: Heenan Blaikie LLP

20090253879 - Polymer compound and oil absorbent: The present invention provides a polymer compound having a repeating structure represented by the following Formula (1) or Formula (3). In Formula (1) or Formula (3), R1, R2 and R3 each independently represent a hydrogen atom or an alkyl group; and R4 represents a straight-chained or branched alkyl group having... Agent: Moss & Burke, PLLC

20090253880 - Dispersion stabilizer for suspension polymerization of vinyl-based compound: The present invention aims at providing a dispersion stabilizer for suspension polymerization of a vinyl-based compound, which gives vinyl chloride-based polymer particles having a sharp particle size distribution and a high bulk density owing to excellent dispersion stability during polymerization, and which can produce vinyl chloride-based polymer particles with few... Agent: Hamre, Schumann, Mueller & Larson, P.C.

20090253881 - Polymerizable compound for photoresist, polymer thereof, and photoresist composition containing such polymer: The present invention provides a polymerizable compound having an alicyclic structure and a polymerizable group and represented by the general formula (1) or (19). The polymerizable compound exhibits high adhesion to substrates, reduced swelling during development, a reduced amount of water absorption during exposure in water, and high dry-etching resistance.... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090253882 - Melt-processible, wear resistant polyethylene: Melt-processible, thermoplastic polyethylene compositions of high resistance against wear are disclosed and methods for making and processing same. Additionally, products comprising these compositions are described.... Agent: Jones Day