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Synthetic resins or natural rubbers -- part of the class 520 series December patent applications/inventions, industry category 12/09

20090326168 - Multiple component feed methods and systems: Multiple components are selected, conveyed, and measured in a polymerization system. A control system adjusts the system variables to the desired values. Portions of the components can be fed to a pre-contactor before introduction into the polymerization reactor. The catalyst component concentrations and residence times are tightly controlled in the... Agent: Chevron Phillips Chemical Company Lp

20090326172 - Catalyst composition for the copolymerization of propylene: The present invention relates to a process for the production of propylene polymers in the presence of a Ziegler-Natta catalyst comprising a titanium compound having at least one titanium-halogen bond, and a blend of a diether compound and a succinate compound as internal electron donor, all supported on a magnesium... Agent: Fina Technology Inc

20090326170 - Process for improving the polymerization of ethylene and one or more optional comonomer(s) in a polymerization loop reactor: The present invention relates to a process for improving the polymerization of ethylene and one or more optional co-monomer(s) in a polymerization loop reactor characterized in that said process comprises the step of controlling the hydrogen/monomer ratio along the path of the reactor by multiple, spatially separated, feeding of hydrogen... Agent: Fina Technology Inc

20090326169 - Process for the preparation of ethylene polymers using a number of reactors arranged in series: e

20090326171 - Process for the preparation of high performance polypropylene: The invention discloses a process for preparing high-performance propylene polymers, the process utilizing a high activity, highly stereoselective Ziegler-Natta catalyst and two or more stages of polymerization carried out under different hydrogen concentrations to prepare propylene polymers having broad molecular weight distribution, wherein non-unifomess of isotacticity of molecular chains of... Agent: Fish & Richardson P.C.

20090326173 - Process for continuous production of epoxy resins: An epoxy resin with amine functionality is manufactured continuously through a first reaction zone in which an epoxide-functional resin is made by ring-opening addition, a second reaction zone in which the resin is reacted with amine to make an epoxide-functional product, and a third reaction zone in which the epoxide... Agent: Harness, Dickey And Pierce, P.L.C

20090326174 - Clay activation of pd(ii) and ni(ii) complexes: A clay-supported complex that includes a metal complex containing a phosphinobenzenesulfonate ligand coordinated to Pd(II) or Ni(II), and a clay combined with the metal complex. The metal complex can be neutral or charged. The clay-supported complex is active in the homopolymerization and copolymerization of olefins, including polarized and non-polarized alpha-olefins.... Agent: Berliner & Associates

20090326175 - Arylphenoxy catalyst system for producing ethylene homopolymer or copolymers of ethylene and a-olefins: The present invention relates to an arylphenoxy catalyst system producing an ethylene homopolymer or copolymers of ethylene and α-olefins, and a method of producing an ethylene homopolymer or copolymers of ethylene and α-olefins having a high molecular weight under a high temperature solution polymerization condition using the same. The catalyst... Agent: Darby & Darby P.C.

20090326176 - Novel multifunctional initiators for anionic polymerization and polymers therefrom: e

20090326177 - Mesostructured zeolitic materials and methods of making and using the same: One aspect of the present invention relates to mesostructured zeolites. The invention also relates to a method of preparing mesostructured zeolites, as well as using them as cracking catalysts for organic compounds and degradation catalysts for polymers.... Agent: Proskauer Rose LLP

20090326178 - Method for producing fluorinated compounds and polymers: A fluorinated polymer comprising a unit represented by the following formula (1), a method for producing fluorinated compounds and the fluorinated polymers, and an optical/electrical material or coating material comprising the fluorinated polymer.... Agent: Marshall, Gerstein & Borun LLP

20090326179 - Process for the manufacture of 1,2-dichloroethane: Process for the manufacture of 1,2-dichloroethane (DCE) starting with a hydrocarbon source which is subjected to a cracking thus producing a mixture of cracking products then subjected to treatment steps to obtain a mixture of products containing ethylene. The mixture is afterwards subjected to a first separation step into a... Agent: Solvay C/o B. Ortego - Iam-nafta

20090318637 - Method and system for determining catalyst activity: The present invention relates to a method for determining activity of a catalyst in a polymerisation process, said polymerisation process comprising the steps of feeding a catalyst and a diluent into a storage vessel, to form a concentrated settled catalyst, feeding said concentrated settled catalyst into a mixing vessel equipped... Agent: Fina Technology Inc

20090318638 - Slurry polymerisation process of ethylene in the presence of low amount of scavenger: The invention discloses a metallocene catalysed slurry polymerisation process s of ethylene in the presence of a low concentration of scavenger. This allows improving the anti-sheeting of the reactor during the polymerisation process.... Agent: Fina Technology Inc

20090318639 - Method for ologomerization and/or poymerization with flushing of equipment and piping: The present invention relates to a method for oligomerization or polymerization of ethylene and/or alpha-olefins utilizing reactor equipment and other equipment wherein starting material comprising monomer(s), catalyst, cocatalyst and solvent is transferred to the reactor equipment via first piping, and product material comprising oligomer and/or polymer, non-reacted monomer(s), catalyst, cocatalyst... Agent: Kramer Levin Naftalis & Frankel LLP Intellectual Property Department

20090318640 - Polymacromonomer and process for production thereof: This invention relates to a polymacromonomer comprising at least one macromonomer and from 0 to 20 wt % of a C2 to C12 comonomer, wherein the macromonomer has vinyl termination of at least 70%, and wherein the polymacromonomer has: a) a g value of less than 0.6, b) an Mw... Agent: Exxonmobil Chemical Company

20090318641 - Method of fabrication of nanoparticulate composites using monomer stabilization: An improved method is provided to prepare reinforced resin nanocomposites without the need of surfactants or coupling agents. The present invention comprises the use of monomers for improving the dispersion of nano-sized materials and enhancing the particle/matrix interaction. One comprises mixing a plurality of nanoparticles with a monomer resin to... Agent: John P. O'banion O'banion & Ritchey LLP

20090318642 - Surface-modified polymerization catalysts for the preparation of low-gel polyolefin films: Use of a catalyst composition treated with a surface modifier in the polymerization of olefins for lowering the gel content in the resulting polyolefin, wherein the surface modifier has a polar residue capable of interacting with the surface of the catalyst composition and a lipophilic residue and is selected from... Agent: Ballard Spahr LLP

20090318643 - Catalyst component for ethylene polymerization, preparation thereof and catalyst comprising the same: The present invention relates to a catalyst component for ethylene polymerization, which comprises a reaction product of a magnesium complex, at least one titanium compound, at least one alcohol compound, at least one silicon compound, and optionally an organic aluminum compound. The silicon compound is an organic silicon compound having... Agent: Birch Stewart Kolasch & Birch

20090318646 - Functionalized high vinyl terminated propylene based oligomers: This invention relates to a functionalized co-oligomer having an Mn of 300 to 30,000 g/mol comprising 10 to 90 mol % propylene and 10 to 90 mol % of ethylene, wherein the oligomer has at least X % allyl chain ends, where: 1) X=(−0.94(mole % ethylene incorporated)+100), when 10 to... Agent: Exxonmobil Chemical Company

20090318644 - High vinyl terminated propylene based oligomers: This invention relates to a co-oligomer having an Mn of 300 to 30,000 g/mol comprising 10 to 90 mol % propylene and 10 to 90 mol % of ethylene, wherein the oligomer has at least X % allyl chain ends, where: 1) X=(−0.94 (mole % ethylene incorporated)+100), when 10 to... Agent: Exxonmobil Chemical Company

20090318645 - Method for the production of oxetane group-containing (meth)acrylates: The invention relates to a process for preparing oxetane-containing (meth)acrylates.... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090318647 - Olefin functionalization by metathesis reaction: This invention relates to a process to functionalize propylene co-oligomer comprising contacting an alkene metathesis catalyst with a heteroatom containing alkene, and a propylene a co-oligomer having an Mn of 300 to 30,000 g/mol comprising 10 to 90 mol % propylene and 10 to 90 mol % of ethylene, wherein... Agent: Exxonmobil Chemical Company

20090318648 - Media-resistant coating resins: The invention relates to compositions comprising glycerol mono(meth)acrylate and hydroxyethyl methacrylate, including those with addition of further monomers, free-radically polymerized and subsequently crosslinked with isocyanates, to a process for preparing them and to their use as film-forming resins with particular media resistance.... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090318649 - Styrene-maleic anhydride copolymers for bioapplications and their preparation: The present invention discloses styrene-maleic anhydride copolymers preparations using solventless techniques. The solventless method resulted in reduced amounts of residues, such as unreacted styrene and/or maleic anhydride monomers, which makes the copolymers particularly suitable for bioapplications.... Agent: Elmore Patent Law Group, PC

20090318650 - Novel fluorine-containing polymer and method of producing fluorine-containing polymer: wherein Rf1 represents a perfluoroalkylene group; each of Rf2 and Rf3 independently represents a fluorine atom, a perfluoroalkyl group or a perfluoroalkoxy group; at least two among Rf1, Rf2 and Rf3 may bond to each other to form a ring structure; X represents an oxygen atom or a sulfur atom;... Agent: Birch Stewart Kolasch & Birch

20090318651 - Heterocyclic compound and heterocyclic polymers: one of two linkages each represented by a solid line and a dashed line is a single bond, while the other is a double bond.... Agent: Sughrue Mion, PLLC

20090318652 - Novel compound, polymer, and resin composition: wherein R1 represents a methyl group or a hydrogen atom, R2, R3 and R4 individually represent a substituted or unsubstituted monovalent organic group having 1 to 10 carbon atoms, n is an integer from 0 to 3, A represents a methylene group, a linear or branched alkylene group having 2... Agent: Ditthavong Mori & Steiner, P.C.

20090318653 - Composition for manufacturing a carboxylic group-containing polymer and a polymer manufactured by using the same: The present invention relates to a composition for manufacturing a carboxylic group-containing polymer and a carboxylic group-containing polymer manufactured by using the same. More particularly, the present invention relates to a composition for manufacturing a carboxylic group-containing polymer comprising an allyl monomer having a long chain of a hydrophilic part... Agent: Fleit Gibbons Gutman Bongini & Bianco Pl

20090318654 - Sintering ultrahigh molecular weight polyethylene: Ultrahigh molecular weight polyethylene compositions of highly beneficial sintering characteristics are disclosed and methods for making and processing time. Additionally, products comprising these compositions are described.... Agent: Knobbe Martens Olson & Bear LLP

20090312503 - Method of producing high molecular weight polymer: The present invention provides methods of producing high molecular weight polymer. A method of forming polycarbonate includes the step of combining in a reaction mixture a diaryl carbonate, a transesterification catalyst, an aliphatic dihydroxy compound, and a diacid compound in a reactor system. The temperature and pressure of the reactor... Agent: Larson & Anderson, LLC Re: Lexan

20090312504 - Copolymer synthesis process: Preparing a non-ionic copolymer having a hydrolysable monomer residue and a polyether macromonomer residue in a semicontinuous mode in a polymerization reactor associated with a metering device, including introducing polyether macromonomer and water into the reactor, wherein hydrolysable monomer which is added thereto forms a polymerization reaction mixture; introducing hydrolysable... Agent: Curatolo Sidoti Co., Lpa

20090312505 - Polymerization process with catalyst reactivation: Polymerization processes of the present invention comprise low catalyst concentration. Embodiments include a polymerization process comprising polymerizing free radically (co)polymerizable monomers in a polymerization medium comprising one or more radically (co)polymerizable monomers, a transition metal catalyst complex capable of participating in a one electron redox reaction with an ATRP initiator;... Agent: Christine R Ethridge Kirkpatrick & Lockhart Preston Gates Ellis

20090312506 - Production of polyethylene: The present invention is directed to the use of aluminum alkyl activators and co-catalysts to improve the performance of chromium-based catalysts. The aluminum alkyls allow for the variable control of polymer molecular weight, control of side branching while possessing desirable productivities, and may be applied to the catalyst directly or... Agent: Univation Technologies, LLC

20090312507 - Process for the production of propylene polymers having a low ash content: The present invention relates of a polymerization process for the production of propylene polymers with low ash content using a Ziegler-Natta catalyst with a diether as internal electron donor. The present invention also relates to the propylene polymers produced with said process as well as to films, fibers and nonwovens... Agent: Fina Technology Inc

20090312508 - Catalyst for the production of polyester, use of the catalyst for the production of polyester, and polyester obtained by the use of the catalyst: The present invention relates to a catalytically active composition that can be used for the production of polyesters. According to the invention, good polyester products can be obtained in this way without having to use antimony components.... Agent: Seed Intellectual Property Law Group PLLC

20090312509 - Polypropylene solution polymerization process: A process for polymerization of propylene, optionally ethylene, and further optionally one or more C4-30 α-olefins and/or one or more conjugated or nonconjugated dienes under continuous, solution polymerization conditions to prepare a high molecular weight polymer or interpolymer, said process comprising conducting the polymerization in the presence of a catalyst... Agent: The Dow Chemical Company

20090312510 - Optical element and optical pickup apparatus: A production method of an objective lens for optical pickup apparatus having a numerical aperture NA of image side of 0.80 to 0.90 is disclosed. The method includes steps of molding resin composition containing copolymer of α-olefin and a cyclic olefin represented by Formula (I) or (II) to form lens... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090312511 - Processes for correlating uv-vis spectra of norbornene compound to polymerization processes using the same, and related purification methods and compositions: The invention provides a process of polymerizing ethylene and at least one α-olefin, said process comprises polymerizing the ethylene and the at least one α-olefin in the presence of 5-ethylidene-2-norbornene, which comprises low levels of impurities, as determined by the absorbances at the following wavelengths: 320 nm and 343 nm.... Agent: The Dow Chemical Company

20090312512 - High molecular weight compact structured polymers, methods of making and using: A structured water soluble polymer produced by polymerization of amine-containing monomers or pre-formed polymers is described. Various structured polymers are prepared and characterized. The structured polymers are particularly valued in the papermaking industry.... Agent: Michael B. Martin Patent And Licensing Department

20090312513 - Polymer stream transfer: Process for heating a polymer-containing stream being transferred from a polymerisation reactor to a degassing vessel, comprising passing the stream through a heater comprising a transfer line for the stream and means for heating the transfer line, wherein the ratio of the stream velocity at the outlet of the heater... Agent: Nixon & Vanderhye, PC

20090312514 - Retardation film having uniform in-plane phase-difference value and laminated optical film having positive dispersibility in wavelength: The present invention relates to a retardation film having a zero wavelength dispersibility and a uniform retardation, and an optical laminated film having a positive wavelength dispersibility. Here, in the retardation film, a homo polypropylene resin has an isotactic index more than 85 percents and having, and a value subtracting... Agent: Basch & Nickerson LLP

20090306311 - Methods and instrumentation for during-synthesis monitoring of polymer functional evolution: A method of monitoring the evolution of polymer and/or colloid stimuli responsiveness during synthesis of polymers and/or colloids, including postpolymerization modifications on natural and synthetic polymers, includes providing a reactor in which the polymers and/or colloids are synthesized; and providing a means of monitoring the stimuli responsiveness of the polymers... Agent: Garvey Smith Nehrbass & North, LLC

20090306312 - Method for preparing linear alpha-olefins with improved heat removal: The present invention relates to a method for preparing linear alpha-olefins by oligomerizing of ethylene in the presence of a first organic solvent and a homogenous catalyst in a reactor, characterized in that the reactor overhead is cooled by means of a refrigerant.... Agent: Kramer Levin Naftalis & Frankel LLP Intellectual Property Department

20090306313 - Titanium-nitride catalyzed polyester: The present invention relates to methods for making polyethylene terephthalate resin in which a titanium-nitride polycondensation catalyst is introduced prior to or during the initial stages of esterification or transesterification.... Agent: Summa, Additon & Ashe, P.A.

20090306314 - Method for producing olefin polymer: (wherein, R represents an alkyl group, an alkenyl group or an aryl group, AO represents an alkylene oxide group, m represents the average addition molar number of alkylene oxide, Y represents a hydrogen atom, an alkali metal atom, an alkaline earth metal atom or an ammonium group, and n represents... Agent: Birch Stewart Kolasch & Birch

20090306316 - Catalyst components for the polymerization of olefins and catalysts therefrom obtained: h

20090306315 - Process for preparing a catalyst component for propylene polymerization:

20090306317 - Process for the preparation of a silylchromate catalyst:

20090306318 - Ortho-metallated hafnium complexes of imidazole ligands: Hafnium complexes of heterocyclic organic imidazol-2-yl ligands containing internal orthometallation and their use as components of olefin polymerization catalyst compositions, especially supported catalyst compositions, are disclosed.... Agent: The Dow Chemical Company

20090306319 - Highly organized polyolefin structures: A method of preparing periodic, semi-periodic, or semi-random polyethylene-co-acrylic acid or polyethylene-co-methacrylic acid involves polymerizing 1-alkoxyalkyl ester substituted α,Ω-dienes, and/or 1-alkoxyalkyl ester substituted cycloalkenes via olefin metathesis reactions followed by hydrogenation of the alkylene units and subsequently hydrolyzed to the desired polyethylene-co-acrylic acid or polyethylene-co-methacrylic acid. The polyethylene-co-acrylic acid or... Agent: Saliwanchik Lloyd & Saliwanchik A Professional Association

20090306320 - Photocuring composition and cured product thereof: A photocuring composition, comprising a photoradically polymerizable compound and an ionically polymerizable compound having a surface energy smaller than that of the photoradically polymerizable compound, and a method of producing a cured product by using the composition thereof.... Agent: Buchanan, Ingersoll & Rooney PC

20090306321 - Non-birefringent optical resin material and optical member: Provided are an optical resin and an optical member using the same, both orientation birefringence and photoelasticity birefringence of the optical material being deadened and generally eliminated. The optical material consists of a composite constituent system of three or more constituents including a copolymerization system of monomer-element number not smaller... Agent: Staas & Halsey LLP

20090306322 - Forming die and microlens formed by using the same: The present invention provides a forming die having a mold releasing layer formed on a die surface of the forming die, the mold releasing layer containing a fluororesin and having a film thickness of 10 to 500 nm; a production process of a microlens including forming a resin by using... Agent: Sughrue-265550

20090306323 - Polyolefin film: A film of an ethylene polymer.... Agent: Univation Technologies, LLC

20090306324 - Polyethylene molding compositions for injection molding applications: Monomodal molding compositions based on polymers of ethylene, wherein the density of the molding compositions is in the range from 0.940 to 0.96 g/cm3, the Mi is in the range from 0.5 to 10.0 g/10 min. the polydispersity Mw/Mn is in the range from 3 to 20, the branches/1000 carbon... Agent: Basell Usa Inc.

20090299018 - Polylactide manufacturing apparatus and method for manufacturing polylactide: In a process of manufacturing polylactide, synthesis of high-quality polymers is achieved with a sufficient degree of vacuum secured. Provided is an apparatus for manufacturing polylactide which includes the steps of preparing lactide through oligomerization of lactic acid and depolymerization of the resulting oligomers, effecting ring-opening polymerization of the lactide,... Agent: Juan Carlos A. Marquez C/o Stites & Harbison PLLC

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... Agent: Bridgestone Americas, Inc.

20090299020 - Transition metal initiators supported by ketone diimine ligands for the homopolymerization of olefins and the copolymerization of olefins with polar comonomers: Metal-ligand combination initiators are provided which yield organometallic complexes capable of the polymerization of olefins to high molecular weight polymers. Additionally, these initiators also enable the copolymerization of olefins with functionalized comonomers. These organometallic complexes comprise of a late transition metal with a neutral chelating ligand that contains a Lewis... Agent: Miles Yamanaka Berliner & Associates

20090299021 - Diels-alder crosslinkable dendritic nonlinear optic chromophores and polymer composites: Diels-Alder crosslinkable dendritic nonlinear optical chromophore compounds, films and crosslinked polymer composites formed from the chromophore compounds, methods for making and using the chromophore compounds, films, and crosslinked polymer composites, and electro-optic devices that include films and crosslinked polymer composites formed from the chromophore compounds.... Agent: Christensen, O'connor, Johnson, Kindness, PLLC

20090299022 - Silicone compound, a process for the preparation thereof and a process for the preparation of an ophthalmic device therefrom: wherein m is one value out of the integers of from 3 to 10, n is one value out of the integers of from 1 to 10, R1 is one out of alkyl groups having 1 to 4 carbon atoms, and R2 is one out of a hydrogen atom and... Agent: Birch Stewart Kolasch & Birch

20090299023 - Method for producing acetone cyanhydrin and the subsequent products thereof by specific cooling: the volume of the cooling region of the cooler based on the total internal volume of the cooler being greater than the volume of the cooling element or of the at least two cooling elements of the cooler, to a process for preparing an alkyl methacrylate, to a process for... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.