Synthetic resins or natural rubbers -- part of the class 520 series inventions 02/08

20080051527 - Method and device for continuously producing copolyamides with melting points gr eater than 265 c: The invention relates to a method for continuously producing copolyamides with melting points greater than approximately 265° C. According to the invention, in a continuous process, partially aromatic and partially crystalline polyamides of the following chemical systems with defined molar percentages of the individual components are produced during the synthesis... Agent: Ostrolenk Faber Gerb & Soffen

20080051528 - Multistage process for producing ethylene polymer compositions: The present invention relates to a process of producing an ethylene polymer composition in multiple stages of which the first stage is a slurry polymerization stage, in the presence of a catalyst system comprising a) a solid catalyst precursor comprising a transition metal selected from titanium and vanadium; magnesium, a... Agent: The Dow Chemical Company

20080051529 - Method and device for the gradual production of polymers using melt condensation: Disclosed are a method and a device for batchwise production of high-molecular polyphosphonates, polysulfones, polyarylates, polyamides, polyarylene ethers, or polyether ketones by melt-condensing a monomer compound carrying hydroxyl groups, carboxyl groups, anhydride groups, phosphoric acid groups, phosphono groups, phosphonate groups, phosphino groups, phosphinate groups, carbonyl groups, sulfonyl groups, sulfonate groups,... Agent: Darby & Darby P.C.

20080051530 - Process for preparation of polyesters without solid state polymerization: Polyesters prepared using germanium catalyst in the finishing stage at temperatures less than 285° C. exhibit low loss of Ge catalyst and excellent low acetaldehyde generating characteristics.... Agent: Dennis V. Carmen

20080051531 - Gas phase process for polymers with group 4 metal complex catalyst addition: A process for producing polymer particles in a gas phase polymerization reaction using a group 4 metal complex containing at least one cyclic ligand containing delocalized π-electrons and optionally a flow aid.... Agent: The Dow Chemical Company

20080051532 - Process for preparing a chromium-based catalyst for the polymerization and/or copolymerization of olefins: Process for preparing a supported catalyst for the polymerization and/or copolymerization of olefins which has a chromium content of from 0.01 to 5% by weight, based on the element, which comprises (a) preparing a homogeneous solution comprising an organic or inorganic chromium compound and at least one further organic or... Agent: Basell Usa Inc.

20080051533 - Metal catalyst for olefin polymerization and co-polymerization with functional monomers: A catalyst is disclosed for the polymerization and co-polymerization of olefins with functionalized monomers. The catalyst is formed from a combination of two neutral metal complexes, L(iPr2)M(CH2Ph)(PMe3) [L=N-(2,6-diisopropylphenyl)-2-(2,6-diisopropylphenylimino)propanamide] and M(COD)2 (COD=cyclooctadiene). The catalyst displays a unique mode of action and performs at ambient conditions producing high molecular weight polyolefins and... Agent: Berliner & Associates

20080051534 - Ziegler-natta catalyst for high temperature polymerization: A magnesium titanium olefin polymerization procatalyst is prepared by A) reacting a diorganomagnesium compound with a source of active chlorine, (with the proviso that the amount of chlorine is insufficient to completely convert the diorganomagnesium to magnesium dichloride); then B) removing unreacted diorganomagnesium from the reaction product; then depositing a... Agent: Kenneth H. Johnson Patent Attorney

20080051535 - Promoter system for polymerization processes and polymers formed therefrom: Polymerization processes and polymers formed therefrom are described herein. Such processes generally include providing a catalyst system, introducing the catalyst system to a reaction zone, introducing 1-chlorobutane to the reaction zone, introducing an olefin monomer to the reaction zone, contacting the olefin monomer with the catalyst system in the presence... Agent: Fina Technology Inc

20080051536 - Method for producing (co) polymer having carboxyl group: A process for producing a carboxyl group-containing (co)polymer, which comprises a reaction step of (co)polymerizing, in the presence of a polymerization catalyst component, at least a particular, functional group-containing olefin compound represented by predetermined general formula and a reaction termination step of terminating the (co)polymerization. The process is simplified in... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080051538 - Bimodal pipe resin and products made therefrom: Disclosed is a bimodal Ziegler-Natta catalyzed polyethylene, having a density of from 0.930 g/cc to 0.960 g/cc, and a molecular weight distribution of from 10 to 25, wherein an article formed therefrom has a PENT of at least 1500. Also disclosed is a method of preparing a tubular article including... Agent: Fina Technology Inc

20080051537 - Supported bis(hydroxylarylaryloxy) catalysts for manufacture of polymers: A supported, heterogeneous catalyst composition for use in polymerization of addition polymerizable monomers to form high molecular weight polymers, comprising: 1) a substrate comprising a solid, particulated, high surface area, surface modified, inorganic oxide compound, 2) a Group 4 metal complex of a bis(hydroxyarylaryloxy) ligand; and optionally 3) an activating... Agent: The Dow Chemical Company

20080051539 - Curable composition: A curable binder composition comprising an emulsion polymer, an extender and a hydryoxyamide.... Agent: Rohm And Haas Company Patent Department

20080051540 - Branched ionomers: A branched aromatic ionomer is prepared by co-polymerizing a first monomer having an aromatic moiety and an unsaturated alkyl moiety and a second monomer having an ionic moiety and at least one unsaturated moiety. The ionic moiety may have a cationic group having a valence of +1 or greater. Styrene... Agent: Fina Technology Inc

20080051541 - Medical devices having improved mechanical performance: According to an aspect of the present invention, implantable or insertable medical devices are provided that contain at least one covalently crosslinked polymeric region, which contains at least one block copolymer comprising at least one low Tg block and at least one high Tg block.... Agent: Mayer & Williams PC

20080051542 - Medical devices having polymeric regions with improved adhesion: According to an aspect of the present invention, implantable or insertable medical devices are provided, which contain at least one polymeric region in contact with a metallic region. The polymeric region contains at least one block copolymer that contains at least one low Tg block and at least one high... Agent: Mayer & Williams PC

20080051543 - Controlled polymerization: The present invention discloses an emulsion polymerization process that comprises: (1) preparing an aqueous polymerization medium which is comprised of (a) at least one monomer, (b) a polymerization control agent, and an emulsifier, wherein the emulsifier is prepared in-situ within the aqueous polymerization medium; and (2) initiating polymerization of said... Agent: Alvin T. Rockhill Patent Attorney

20080051544 - Co-polymerization of an isoolefin with a halogenated co-monomer: A co-polymer of isobutene and 4-bromo-3-methyl-1-butene formed by direct co-polymerization in a single-step process. A continuous process for forming the co-polymer preferably comprises periodic or semi-continuous addition of catalyst to a mixed monomer solution. Semi-continuous reverse addition of the mixed monomer solution to a pre-provided catalyst solution may also be... Agent: Lanxess Corporation

20080051545 - Polymers having broad molecular weight distributions and methods of making the same: Methods of polymerizing at least one olefin include contacting the olefin with a catalyst comprising chromium and with a cocatalyst comprising a non-transition metal cyclopentadienyl (Cp) compound. The polymerization may be performed in the presence of hydrogen. Using the cocatalyst in conjunction with the catalyst increases several properties, such as... Agent: Chevron Phillips Chemical Company

20080045674 - Process for producing polyethylene: Process and apparatus for continuously producing olefin polymers in a slurry phase reactor in a hydrocarbon diluent or liquid monomer. The process comprises continuously withdrawing from the slurry phase reactor a polymer slurry containing polymer and a fluid phase, which contains hydrocarbons and optionally hydrogen, and concentrating the slurry with... Agent: Birch Stewart Kolasch & Birch

20080045675 - Reactor systems and polymerization processes using multi-zone circulating reactors: The invention relates to the production of polymers using polymerization processes and reactor systems including a plurality of multi-zone circulating reactors. In particular, the invention relates to the production of impact copolymers using reactor systems including a plurality of multi-zone circulating reactors.... Agent: Exxonmobil Chemical Company

20080045676 - Polymerization process: The present invention relates to a continuous gas phase process comprising polymerizing one or more hydrocarbon monomer(s) in a fluidized bed reactor in the presence of a Ziegler-Natta-type catalyst system and a condensable fluid for a period of at least 12 hours where the bed temperature is less than the... Agent: Univation Technologies LLC

20080045677 - Production method of polymers by using living anionic polymerization method: An anionic polymerizable monomer is added to a reaction system in which an anion species which is incapable of initiating polymerization but may react with polymerization inhibiting substances to convert them into compounds that do not inhibit polymerization is present, and then an anion species capable of initiating polymerization is... Agent: Darby & Darby P.C.

20080045678 - Pneumatic tire: The present invention relates to a pneumatic tire including at least one component, said at least one component including a rubber composition, said rubber composition including at least one diene based rubber; and at least one metal organic framework material including divalent zinc and a multidentate organic ligand, wherein the... Agent: The Goodyear Tire & Rubber Company Intellectual Property Department 823

20080045679 - Polymers made with metallocene catalysts, for use in rotomolding and injection molding products: Ethylene alpha-olefin copolymers formed by contacting at least one supported metallocene catalyst, ethylene, and an alpha-olefin in a gas phase reactor are disclosed. In some embodiments, the polymer may have: a density of between 0.890 and 0.970 g/cc; a melt index of between 0.7 and 200 dg/min; a melt index... Agent: Univation Technologies LLC

20080045680 - Accelerated organoborane amine complex initiated polymerizable compositions: The invention is a two part polymerizable composition comprising in one part an organoboron compound capable of forming free radical generating species amine complex and in the second part one or more compounds capable of free radical polymerization and a cure accelerator comprising a) at least one compound containing a... Agent: The Dow Chemical Company

20080045681 - Accelerated organoborane amine complex initiated polymerizable compositions: The invention is a two part polymerizable composition comprising in one part an organoboron compound capable of forming free radical generating species amine complex and in the second part one or more compounds capable of free radical polymerization and a cure accelerator comprising a) at least one compound containing a... Agent: The Dow Chemical Company

20080045682 - Metal-containing compositions: The present invention relates to metal-containing compositions comprising a metal-containing precursor unit (MU), a prepolymer unit (PU), and a catalyst or an initiator capable of inducing a combining reaction of ethylenically unsaturated groups of the metal-containing precursor unit and the prepolymer unit. In another embodiment, the composition comprises MU and... Agent: Alix Yale & Ristas

20080045683 - Polyolefin treatment for separating volatile material: Process for the separation of volatile material from particulate polyolefin comprising: (a) feeding the particulate polyolefin to a purge vessel, optionally causing it to move through the vessel in substantially plug-flow mode, (b) heating the particulate polyolefin in the purge vessel to a temperature greater than 30° C. but insufficiently... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080045684 - 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 new process, in which the starting compound of formula (I) is polymerized in the presence of a base, in an organic solvent. The precursor polymer such obtained comprises structural units of the formula (II). In a next step,... Agent: Knobbe Martens Olson & Bear LLP

20080045685 - Process for long-term operation of a continuous heterogeneously catalyzed partial dehydrogenation of a hydrocarbon to be dehydrogenated: A process for long-term operation of a continuous heterogeneously catalyzed partial dehydrogenation of a hydrocarbon to be dehydrogenated, in which a reaction gas mixture stream comprising the hydrocarbon to be dehydrogenated in a molar starting amount KW is conducted through an overall catalyst bed comprising the total amount M of... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080045686 - Polymeric coatings and methods for forming them: The present invention relates to a controllable polymeric surface coating including a macromolecule, which is covalently bound to the surface of a substrate, the macromolecule including a plurality of polymerisation initiators and a plurality of surface binding groups; and pendant polymers grafted from at least some of the polymerisation initiators.... Agent: Merchant & Gould PC

20080039596 - Method and apparatus for preparing and supplying catalyst slurry to a polymerization reactor: The present invention relates to an apparatus for preparing and supplying catalyst to an ethylene slurry loop polymerisation reactor and to an apparatus for controlling the injection of catalyst slurry in a polymerization reactor wherein polyethylene is prepared. The present invention a Iso relates to a method for optimising catalyst... Agent: Fina Technology Inc

20080039597 - Process and apparatus for producing olefin polymers: The present invention concerns a process and an apparatus for continuous polymerisation of olefin monomers. In particular, the present invention concerns a process and an apparatus for continuous polymerisation olefin monomers like ethylene and other monomers, wherein an olefin monomer is polymerised in slurry phase in an inert hydrocarbon diluent... Agent: Birch Stewart Kolasch & Birch

20080039598 - Fine-particled amphoteric aqueous polymer dispersion method for production and use thereof: Finely divided, amphoteric, aqueous polymer dispersions which are obtainable by a two-stage polymerization, a prepolymer being prepared in the first polymerization stage from a monomer mixture comprising (a) from 15 to 40% by weight of at least one (meth)acrylate and/or (meth)acrylamide having in each case a free amino group, protonated... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080039599 - Process of fluoromonomer polymerization: Methods of making fluoropolymers from at least one fluoromonomer in either (1) a heterogeneous medium comprising a carbon dioxide and an aqueous phase with or without hydrocarbon surfactants or dispersants or stabilizer, or (2) a homogenous medium containing carbon dioxide with one or more organic solvents, are described.... Agent: Myers Bigel Sibley & Sajovec

20080039600 - Oligomerisation in the presence of both a tetramerisation catalyst and a further oligomerisation catalyst: This invention relates to a process for the oligomerisation of at least one olefinic compound in the form of an olefin or a compound including an olefinic moiety by contacting the at least one olefinic compound with at least two different catalysts, namely a tetramerisation catalyst and a further oligomerisation... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080039601 - Living radical polymerization of halogen-containing and acrylic monomers and the formation of block copolymers therefrom: Acrylic polymers are made by the living radical polymerization of acrylic monomers utilizing organo halide initiators with either metal-free or metal catalysts. Moreover, block copolymers of vinyl halide monomers and acrylic monomers are described by generally polymerizing either the vinyl halide monomers or acrylic monomers utilizing an organo halide initiator... Agent: Hudak, Shunk & Farine, Co., L.p.a.

20080039602 - Process for producing prepolymerization catalyst for polymerization of olefin and process for producing olefin polymer: There is provided a process for producing a prepolymerization catalyst for polymerization of an olefin, said process comprising the steps of feeding, to a polymerization reactor, an olefin and a solid catalyst component in which a catalyst component for polymerization of the olefin is carried on a fine particle support,... Agent: Fitch, Even, Tabin & Flannery

20080039603 - Non-linear optical device with long grating persistency: A non-linear optical device comprising a polymer configured to provide a grating holding ratio of 20% or higher after about four minutes, wherein the polymer comprises a first repeating unit comprising a first moiety having formula (M-1) and a second repeating unit comprising a second moiety having formula (M-2), as... Agent: Knobbe Martens Olson & Bear LLP

20080039604 - Support for solid-phase synthesis and process for producing the same: The present invention relates to a support for solid-phase synthesis, which contains a porous copolymer particle, the copolymer particle containing 25 to 60% by weight of an aromatic-vinyl structural unit, 20 to 55% by weight of a vinyl cyamide structural unit, 5 to 18% by weight of an ethylenically-unsaturated-carboxylic-acid structural... Agent: Sughrue-265550

20080039605 - Poly(meth)acrylamides and poly(meth)acrylates containing fluorinated amide: e

20080039606 - Polyethylene resins: The invention provides ethylene/α-olefin copolymers exhibiting improved environmental stress cracking resistance properties, and methods for the production of the copolymers in a single reactor by means of a bimetallic catalyst including a Ziegler component and a metallocene component.... Agent: Exxonmobil Chemical Company

20080033121 - Method of maintaining heat transfer capacity in a polymerization reaction system: This invention relates to a process for maintaining heat transfer capacity of a cycle cooler while polymerizing olefin(s) in the presence of catalyst and a carboxylate metal salt by controlling the amount of carboxylate metal salt present in the reaction system. In particular, the invention relates to maintaining a cycle... Agent: Univation Technologies LLC

20080033123 - Methods for producing and purifying 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine monomers and polycarbonates derived therefrom: i

20080033122 - Process for producing heterophasic alpha-olefin polymers: The present invention relates to novel processes for producing heterophasic alpha-olefin compositions, and more specifically to copolymer compositions of propylene produced in a multi-stage process using specified catalysts. The polymers obtained from the process have uniform quality and properties which make them suitable for a wide range of applications.... Agent: Milbank, Tweed, Hadley & Mccloy LLP

20080033124 - Polymerization process: This invention relates to processes for preparing polyolefins in the presence of a perfluorocarbon or hydrofluorocarbon with an activated, nonmetallocene, metal-centered, heteroaryl ligand catalyst.... Agent: Exxonmobil Chemical Company

20080033125 - Transition metal compounds for olefin polymerization and oligomerization: where: M and M′ are, independently, a group 8, 9, 10 or 11 transition metal, preferably Ni, Co, Pd, Cu or Fe; each R group is, independently, is, hydrogen, or a hydrocarbyl, substituted hydrocarbyl, halocarbyl, substituted halocarbyl, silylcarbyl, substituted silylcarbyl, germylcarbyl, or substituted germylcarbyl substituents, and optionally, adjacent R groups... Agent: Exxonmobil Chemical Company

20080033126 - Methods for preparing polymers from phenolic materials and compositions relating thereto: A process for producing a stable polymer such as poly(hydroxystyrene) which comprises the decarboxylation of a corresponding phenolic in the presence of a non-amine basic catalyst and a polar organic solvent, followed by the polymerization thereof.... Agent: James J. Mullen

20080033127 - Polymerization process: This invention relates to a multiple phase polymerization process to produce polyolefins comprising contacting olefins and a homogeneous catalyst or catalyst system at a temperature between the melting point of the dry polymer and 80° C. below the melting point of the dry polymer in the presence of a fluorinated... Agent: Exxonmobil Chemical Company

20080033129 - Polymeric viscosity modifiers: Cross-linked ampholytic polymers that may be used as rheological modifiers, and/or absorbent gelling materials are disclosed. The polymers may be storage stable in aqueous compositions comprising soluble salt, and/or an oxidizer, such as hydrogen peroxide.... Agent: The Procter & Gamble Company Intellectual Property Division - West Bldg.

20080033128 - Method for producing polyether: [Object] A method wherein the separability between a polyether phase and a water phase is improved when a water-soluble compound is extracted and removed from a polyether containing the water-soluble compound with water is provided. [Solving Means] The object is achieved by a method for producing a polyether including a... Agent: Sughrue Mion, PLLC

20080033130 - Multimodal fluoropolymers and methods of making the same: A method for forming a fluoropolymer comprises providing a reaction mixture comprising carbon dioxide, at least one fluoromonomer, and an initiator; and reacting the at least one fluoromonomer in the reaction mixture to form a fluoropolymer. The fluoropolymer has a multimodal molecular weight distribution.... Agent: Myers Bigel Sibley & Sajovec

20080033131 - Perfluoroalkyl substituted acrylate monomers and polymers thereof: m

20080033132 - Method for manufacturing a free flowing powder of a fluoropolymer and a free flowing powder manufactured according to said method:

20080033134 - Norbornene-based polymer film, and retardation film, polarizing plate and liquid crystal display device using a polymer film:

20080033133 - Norbornene-based polymers, films, polarizing plates and liquid crystal display devices: wherein R1 and R2 each represent a hydrogen atom, an alkyl group which may possess a substituent group or an aryl group which may possess a substituent group, L and L′ each represent a bivalent linking group or a single bond, and A and A′ each represent an aromatic group.... Agent: Buchanan, Ingersoll & Rooney PC

20080033135 - Polyethylene pipe fitting resins: A polyethylene resin suitable for formation into pipes or pipe fittings is disclosed, having an M15 of from 0.40 to 0.70 g/10 min. and comprising from 47 to 52 wt % of a low molecular weight polyethylene fraction, and from 48 to 53 wt % of a high molecular weight... Agent: Nixon & Vanderhye, PC