Synthetic resins or natural rubbers -- part of the class 520 series inventions 02/07

20070043174 - Gas phase polymerization and method of controlling same: A process for controlling a continuous gas phase exothermic process in a reactor comprising: (i) effecting a gas phase exothermic reaction under a set of operating conditions in the presence of a cooling agent, the cooling agent having a pre-selected concentration and feed rate of an induced cooling agent; (ii)... Agent: Baker & Mckenzie LLP

20070043175 - Process for the (co-)polymerisation of ethylene in the gas phase: The present invention relates to a process for improving the start up of polymerization or copolymerization of ethylene in a gas phase reactor, preferably a fluidised bed gas phase reactor.... Agent: Nixon & Vanderhye, PC

20070043176 - Polymerization catalysts and process for producing bimodal polymers in a single reactor: Catalyst compositions comprising a first metallocene compound, a second metallocene compound, an activator-support, and an organoaluminum compound are provided. Methods for preparing and using such catalysts to produce polyolefins are also provided. The compositions and methods disclosed herein provide ethylene polymers having a HLMI of from about 0.5 to about... Agent: Womble Carlyle Sandridge & Rice, Pplc Chevron Phillips Chemical Company Lp

20070043177 - Polymer composition and process to manufacture high molecular weight-high density polyethylene and film therefrom: The present invention includes a multimodal polyethylene composition has (1) a density of at least about 0.940 g/cm3 as measured by ASTM Method D-1505; (2) a melt flow index (I5) of from about 0.2 to about 1.5 g/10 min (as measured by ASTM D-1238, measured at 190° C. and 5... Agent: The Dow Chemical Company

20070043178 - Water-soluble polymer and its production process and uses: An object of the present invention is to provide: a water-soluble polymer which can exercise a high calcium-ion-binding ability and a high clay dispersibility even under circumstances where high-hardness water is used; and a process for producing such a water-soluble polymer with ease and good productivity. As a means of... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20070043179 - Preparation of transition metal nanoparticles and surfaces modified with (co) polymers synthesized by raft: A new, facile, general one-phase method of generating thiol-functionalized transition metal nanoparticles and surfaces modified by (co)polymers synthesized by the RAFT method is described. The method includes the steps of forming a (co)polymer in aqueous solution using the RAFT methodology, forming a colloidal transition metal precursor solution from an appropriate... Agent: Howrey LLP

20070043180 - Recyclable ruthenium catalysts for metathesis reactions: The invention relates to novel carbene ligands and their incorporated monomeric and resin/polymer linked ruthenium catalysts, which are recyclable and highly active for olefin metathesis reactions. It is disclosed that significant electronic effect of different substituted 2-alkoxybenzylidene ligands on the catalytic activity and stability of corresponding carbene ruthenium complexes, some... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070043181 - Methods of preparation of an olefin oligomerization catalyst: A method of making an olefin oligomerization catalyst, comprising contacting a chromium-containing compound, a heteroatomic ligand, and a metal alkyl, wherein the chromium-containing compound comprises less than about 5 weight percent chromium oligomers. A method of making an olefin oligomerization catalyst comprising a chromium-containing compound, a nitrogen-containing compound, and a... Agent: Chevron Phillips Chemical Company

20070043182 - Multimodal polyethylene compositions and pipe made from same: A multimodal polyethylene composition having at least two polyethylene components, wherein each component has a molecular weight distribution of equal to or less than about 5, one component has a higher molecular weight than the other component, and the higher molecular weight component has an “a” parameter value of equal... Agent: Chevron Phillips Chemical Company

20070043183 - Preparation and use of tetrasubstituted fluorenyl catalysts for polymerization of olefins: Catalyst compositions and processes for the polymerization of ethylenically unsaturated monomers to produce polymers, including copolymers or homopolymers. Such monomers include ethylene, C3+ alpha olefins and substituted vinyl compounds, such as styrene and vinyl chloride. The polymerization catalyst characterized by the formula B(FluL)MQn in which Flu is a fluorenyl group... Agent: Fina Technology Inc

20070043184 - Bidentate catalyst for olefin polymerization, methods of forming such and products therefrom: where R, R1, R2 and R3 are optional and independently selected from hydrogen, C1 to C20 alkyl groups or C6 to C20 aryl groups, A′ and A″ are independently selected from coordination groups, M is a Group 4 or 5 transition metal, X is selected from halogens, alkyl groups, aromatic... Agent: David J. Alexander

20070043185 - Polymerization process: A process for the production of polymers in which an oligomeric precursor is formed first in a melt phase. A phase transition is then induced in the polymerizing reaction medium under the action of shear in such a way that the simultaneous action of the shear, and the ongoing polymerization... Agent: E I Du Pont De Nemours And Company Legal Patent Records Center

20070043186 - Macrocyclic metal complexes and their uses as polymerization catylysts: Compositions comprising cyclophane metal complexes, methods for polymerization using such cyclophane metal complexes as catylysts and polymer compositions produced by such methods. Examples of polymers that may be manufactured by these methods incude polyethylenes and polyolefins. The cyclophane metal complexes of this invention are stable at high temperatures and thus... Agent: Stout, Uxa, Buyan & Mullins LLP

20070043187 - Method for producing fluorinated 1,3-dioxolane compounds, fluorinated 1, 3-dioxolane compounds, fluorinated polymers of the fluorinated 1,3-dioxolane compounds and optical or electrical materials using the polymers: m

20070043188 - Multicoordinated metal complexes for use in metathesis reactions: Improved catalysts useful in alkyne or olefin metathesis are made by bringing into contact a multi-coordinated metal complex comprising a multidentate Schiff base ligand, and one or more other ligands, with a selected activating compound under conditions such that at least partial cleavage of a bond between the metal and... Agent: Clark & Elbing LLP

20070043189 - Amphoteric copolymer: p

20070043191 - (meth)acrylic acid esters of unsaturated aminoalcohols and preparation thereof: Disclosed are novel (meth)acrylic esters of unsaturated amino alcohols, a process for their preparation and their use for preparing crosslinked swellable hydrogel-forming polymers and crosslinked swellable hydrogel-forming polymers... Agent: Marshall, Gerstein & Borun LLP

20070043190 - Statistic comb polymers, method for producing the same and their use: Statistic comb polymers obtainable by the radical copolymerization of a vinylic poly(alkylenoxide) compound (A) with an ethylenically unsaturated monomer compound (B) according to the catalytic chain transfer method (CCT). The comb polymers are extremely suitable for hydraulic binder suspensions based on cement, lime, gypsum and anhydrite as they have, for... Agent: Fitch Even Tabin And Flannery

20070043192 - Propylene polymer, and resin composition and molded product thereof: The propylene polymer of the present invention satisfies (1) a 25° C. hexane soluble content (H25) of 0-80 wt %; and (2) either no melting temperature (Tm) measurable by differential scanning calorimetry (DSC), or a melting temperature (Tm) satisfying, if measurable by DSC, the following relationship: ΔH≧3×(Tm−120) wherein ΔH is... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070037935 - Discontinuous metering of catalysts and process auxiliaries into a gas-phase fluidized-bed reactor: Method of metering at least one solid, particulate catalyst into a reactor containing a fluidized bed (11) of particles in an at least partly gaseous medium, in which the catalyst is metered discontinuously at prescribed time intervals into the fluidized bed (11) at at least one metering point (10). According... Agent: Basell Usa Inc.

20070037936 - Loop reactor with varying diameter for olefin polymerization: Process for polymerizing at least one olefinic monomer in a loop reactor at from 20 to 150° C., but below the melting point of the polymer to be formed, and a pressure of from 5 to 100 bar, where the polymer formed is present in a suspension in a liquid... Agent: Basell Usa Inc.

20070037937 - Process for improving the co-polymerization of ethylene and an olefin co-monomer in a polymerization loop reactor: The present invention relates to a process for improving the co-polymerization of ethylene and an olefin co-monomer, preferably hexene, in a polymerization loop reactor characterized in that said process comprises the step of controlling the co-monomer/monomer ratio along the path of the reactor, and in particular by multiple, spat Tally... Agent: Fina Technology Inc

20070037938 - Polymerisation of ethylenically unsaturated monomers: Ethylenically unsaturated, particularly acrylic, monomers are polymerised using a catalyst system including a manganese carbonyl initiator, an organic halogen reactive substrate and an allylic halide chain termination agent. Desirably the manganese carbonyl initiator is a dimanganese compound, particularly dimanganese decacarbonyl (Mn2(CO)10). The catalysis mechanism appears to involve initiator homolysis, abstraction... Agent: Mayer, Brown, Rowe & Maw LLP

20070037939 - Process: A process for the preparation of an olefin homopolymer or copolymer comprising polymerising at least one C2-20-α-olefin in slurry phase in the presence of 1) a metallocene compound of formula I: (Cp) (Cp″) RnMX2 (I) wherein: Cp is an optionally substituted and/or optionally fused homo- or heterocyclopentadienyl ligand; Cp″ is... Agent: Ohlandt, Greeley, Ruggiero & Perle, LLP

20070037941 - Polymer, film-forming composition comprising the polymer, insulating film formed by using the composition and electronic device: in formula (I), R1 and R2 each independently represents a substituent containing a carbon-carbon triple bond; X1 and X2 each independently represents a substituent except for a substituent containing a carbon-carbon triple bond; l and m each independently represents an integer of 0 to 15, provided that l and m... Agent: Sughrue Mion, PLLC

20070037940 - Romp with fluorinated groups: The instant invention relates to new metathesis oligomers which are substituted with fluorinated groups. Also disclosed is a polymerisable composition comprising a catalytically effective amount of a penta- or hexavalent ruthenium or osmium carbene catalyst, the process for preparing the metathesis oligomers by applying the reaction conditions of Ring Opening... Agent: Ciba Specialty Chemicals Corporation Patent Department

20070037942 - Preparation of reactive polymeric nanoparticles: Reactive polymeric nanoparticles formed from the reaction product of a mono vinyl monomer and a di/tri/multivinyl monomer are disclosed... Agent: Bodner & O'rourke

20070037943 - Novel perfluoroalkyl vinyl ether compound, process for preparing copolymer by using the compound, and optical plastic materials comprising copolymer prepared by the process: Disclosed herein are a novel perfluoroalkyl vinyl ether compound, a process for preparing a copolymer by using the perfluoroalkyl vinyl ether compound, and an optical plastic material comprising a copolymer prepared by the process. More specifically, the perfluoroalkyl vinyl ether has a particular molecular structure; the process is performed by... Agent: Buchanan, Ingersoll & Rooney PC

20070037944 - Compositions and methods for producing silicone hydrogel contact lenses: Compositions, such as lens precursor compositions, and methods for producing lens precursor compositions have been invented. The present methods include forming a premix composition, which can include one or more monomeric components, forming a macromer composition, which includes one or more silicon containing macromers, forming a premix/initiator composition, which can... Agent: Frank J. Uxa

20070037945 - Anionic polymers composed of dicarboxylic acids and uses thereof: Biodegradable anionic polymers are disclosed which include recurring polymeric subunits preferably made up of dicarboxylic monomers such as maleic anhydride, itaconic anhydride or citraconic anhydride. Free radical polymerization is used in the synthesis of the polymers. The polymers may be complexed with ions and/or mixed with fertilizers or seeds to... Agent: Hovey, Williams, Timmons & Collins

20070037946 - Process for producing cycloolefin resin film and process for producing cycloolefin polymer sheet or film: A process (1) for producing a cycloolefin resin film comprising the steps of: the step (I) of mixing a cycloolefin monomer and a metathesis polymerization catalyst to prepare a polymerizable composition (A); the step (II) of coating or impregnating the supporting body with the polymerizable composition (A) at once after... Agent: Birch Stewart Kolasch & Birch

20070037948 - Polyelectrolyte complex films for analytical and membrane separation of chiral compounds: The present invention is directed to enantioselective polyelectrolyte complex films. Further, said films may be free or isolated membranes, or coatings on substrates such a porous substrates, capillary tubes, chromatographic packing material, and monolithic stationary phases and used to separate chiral compounds. The present invention is also directed to a... Agent: Senniger Powers

20070037947 - Process for covering the demand for polymers i which comprise at least 90% of their weight of acrylic acid, salts thereof and/or alkyl esters of acrylic acid in free-radically polymerized form: A process for covering the demand for polymers I in a country I, in which the monomers of the polymer I are obtained in at least one country II, then these monomers are polymerized free-radically to polymer I in this country II, and polymer I thus obtained is subsequently exported... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070037949 - Copolymers of ethylene and 1-heptane: The present invention relates to a copolymer comprising units derived from ethylene and 1-heptene, to a composition comprising such a copolymer, and to an article prepared from or containing such a copolymer.... Agent: The Dow Chemical Company

20070032612 - Method and device for optimizing catalyst supply to a polymerization reactor: The present invention relates to a method for optimizing catalyst supply to a polymerization reactor (1), comprising the steps of a) preparing catalyst slurry in a vessel (3), said slurry comprising solid catalyst in a hydrocarbon diluent having a suitable concentration for use in a polymerization reaction, b) providing said... Agent: Fina Technology Inc

20070032611 - Multiple loop reactor for olefin polymerization: The present invention provides a multiple loop reactor suitable for polymerizing olefins comprising at least two interconnected loop reactors, whereby said connection essentially consists of one or more transfer lines suitable for transferring polymer slurry from a reactor to another reactor and whereby said transfer line extends substantially horizontally. The... Agent: Fina Technology Inc

20070032613 - Swell control in slurry loop reactor: The present invention discloses a method for controlling the onset and development of swelling in a slurry loop reactor by progressively diluting the reactor, the amount of dilution being driven by the amplitude of the fluctuations measured on some plant measurement.... Agent: Fina Technology Inc

20070032614 - Process and apparatus for manufacturing ethylene polymers and copolymers: The invention relates to a process for the manufacture of ethylene polymers and copolymers in which ethylene is compressed in a primary compressor at a throughput of at least 55 tonnes/hour, mixed with recycled ethylene and further compressed in a two-stage reciprocating secondary compressor having at least 14 cylinders to... Agent: Exxonmobil Chemical Company Law Technology

20070032615 - Process for producing radical polymer: The present invention provides a process for producing a resin powder containing a radical polymer having a volume-average primary-particle diameter of 1 nm to 300 nm and containing no impurities such as surfactants by a simple procedure without via multistage reactions. The process for producing a resin powder (J) comprising... Agent: Fitch, Even, Tabin & Flannery

20070032616 - Process for the catalytic polymerization of olefins, a reactor system and its use in the same process: The invention relates to a process for the catalytic polymerization of olefins, wherein olefins are contacted with a particulate catalyst in a fluidized bed and in a moving bed such that the residence time in the fluidized bed and the residence time in the moving bed are independently controlled, to... Agent: Dorsey & Whitney LLP

20070032617 - Mesoporous catalyst support, a catalyst system, and method of making and using same for olefin polymerization: This invention relates to a catalyst system comprising a catalyst and a support comprising a non-layered inorganic porous crystalline phase material, wherein the support comprises a hexagonal arrangement of uniformly-sized pores having an average pore diameter greater than or equal to about 13 Å, an X-ray diffraction pattern having a... Agent: Exxonmobil Chemical Company

20070032618 - Novel polymerisation catalyst: A process for producing a procatalyst for the production of linear low density ethylene polymers comprising the steps of contacting: (a) an inorganic support; (b) an aluminium compound of formula (1): R3-N,AlCln (1) wherein R is a C1-C20 hydrocarbyl group or a C1-C20 hydrocarboxy group, n is 1 or 2;... Agent: Richard J Minnich Fay Sharpe Fagan Minnich & Mckee

20070032619 - Olefin polymerization methods: Methods for making polyolefins are disclosed. One method comprises polymerizing an olefin in the presence of a catalyst system comprising a single-site complex, an agglomerated metal oxide/clay support-activator, and an ionic borate. Including an ionic borate with the support-activator provides an unexpected boost in catalyst activity and gives polyolefins with... Agent: Lyondell Chemical Company

20070032620 - Chemical vapor deposition of hydrogel films: In one embodiment of the invention, iCVD is used to form linear thin films using a radical initiator and an alkene. In another embodiment, iCVD is used to form crosslinked thin films by the addition of a crosslinking agent (e.g., a diacrylate or a dimethyacrylate). The incorporation of a crosslinking... Agent: Foley Hoag, LLP Patent Group, World Trade Center West

20070032621 - Novel polyvinyl alcohols and novel polyvinyl alcohol copolymers: The present invention relates to polyvinyl alcohols, to polyvinyl alcohol copolymers having specific geometries, to a process for preparing such polyvinyl alcohols and polyvinyl alcohol copolymers, and to their use.... Agent: Connolly Bove Lodge & Hutz, LLP

20070027275 - Self limiting catalyst composition and propylene polymerization process: A catalyst composition for the polymerization of propylene comprising one or more Ziegler-Natta procatalyst compositions comprising one or more transition metal compounds and one or more esters of aromatic dicarboxylic acid internal electron donors; one or more aluminum containing cocatalysts; a selectivity control agent (SCA) comprising at least one silicon... Agent: The Dow Chemical Company

20070027276 - Blow molding polyethylene resins: Disclosed herein are various processes, including continuous fluidized-bed gas-phase polymerization processes for making a high strength, high density polyethylene copolymer, comprising (including): contacting monomers that include ethylene and optionally at least one non-ethylene monomer with fluidized catalyst particles in a gas phase in the presence of hydrogen gas at an... Agent: Univation Technologies, LLC

20070027277 - Method of preparing phosphonium compound for cyclic olefin polymerization: Provided is a method of preparing a phosphonium compound by reacting a protic phosphonium compound represented by [(R1)—P(R2)a(R2′)b]HX and a salt compound represented by [C][Ani]. Therefore, a phosphonium compound used as a cocatalyst for the preparation of a polar cyclic olefin polymer can be produced at high yield.... Agent: Mckenna Long & Aldridge LLP

20070027278 - Multifunctional monomers containing bound mesogenic poragen forming moieties and polyarylene compositions therefrom: A compound (monomer) comprising i) one or more dienophile groups (A-functional groups), ii) one or more ring structures comprising two conjugated carbon-to-carbon double bonds and a leaving group L (B-functional groups), and iii) one or more chemically bound mesogenic poragen forming moieties, characterized in that the A-functional group is capable... Agent: The Dow Chemical Company

20070027279 - Heavy-hydrogenated norbornyl (meth)acrylates, process for producing them, polymers thereof and optical members: A novel compound represented by a formula [1] wherein R1 and R2 respectively represent a light or heavy hydrogen atom, R3 represents a light or heavy hydrogen atom or a methyl group in which tree hydrogen atoms are respectively light or heavy hydrogen atoms, and R4 is a norbornyl group... Agent: Sughrue Mion, PLLC

20070027280 - Multifunctional substituted monomers and polyarylene compositions therefrom: A compound useful in the formation of polymeric dielectric films for semiconductor devices and the resulting cured films and devices, said compound comprising i) three or more dienophile groups (A-functional groups) and ii) a single ring structure comprising two conjugated carbon-to-carbon double bonds and a leaving group L (collectively referred... Agent: The Dow Chemical Company

20070027281 - Use of an aqueous binding agent devoid of formaldehyde for substrates: The present invention relates to formaldehyde-free aqueous binders for substrates, having a broad molecular weight distribution and comprising (A) from 0 to 100% by weight of an ethylenically unsaturated acid anhydride or ethylenically unsaturated dicarboxylic acid whose carboxylic acid groups can form an anhydride group, or mixtures thereof, (B) from... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070027282 - Production of colourless, transparent or opaque coloured plexiglas blocks from a prepolymer that is devoid of residual initiators by thermal polymerisation: The invention relates to a method for producing polymethyl methacrylate (PMMA) blocks with thicknesses greater than or equal to 200 mm.... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.