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

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
11/13/2014 > 5 patent applications in 5 patent subcategories.

20140336342 - Chromium catalysts for olefin polymerization: Mineral oil is added to a supported chromium catalyst in amounts which maintain a free flowing particulate material. Chromium catalysts so treated, provide polyethylene in a gas phase ethylene polymerization process with reduced reactor fouling or static.... Agent: Nova Chemicals (international) S.a.

20140336343 - Method of preparing acrylic polymers and products produced thereby: A process for preparing a composition by free-radical polymerization of a monomer composition comprising: a) at least one ethylenically unsaturated carboxylic acid containing monomer or anhydride thereof; b) optionally at least one ethylenically unsaturated monomer different from a) but copolymerizable therewith; and c) at least one crosslinking monomer containing at... Agent:

20140336344 - Preparation of metallic comonomers for polystyrene: A method for making a polystyrene ionomer comprises: preparing a metallic comonomer within styrene monomer to form a reaction mixture; and placing the reaction mixture under conditions suitable for the formation of a polymer composition. The metallic comonomer can be a metal acrylate, formed by contacting a metal complex and... Agent:

20140336345 - System and method for catalyst preparation: Techniques are provided for catalyst preparation. A system for catalyst preparation may include an agitator disposed inside a polymerization catalyst tank and configured to mix a polymerization catalyst and a solvent to generate a polymerization catalyst solution. The system may also include a heating system coupled to the polymerization catalyst... Agent:

20140336346 - Purification of a hydrocarbon stream: A process for producing a purified hydrocarbon stream can include contacting a hydrocarbon stream contaminated with one or more organoaluminum compounds with a chemical agent that is capable of reacting with the one or more organoaluminum compounds.... Agent:

11/06/2014 > 7 patent applications in 7 patent subcategories.

20140329977 - Polymerization product pressures in olefin polymerization: A process for making a low density polymer in a polymerization reactor system, the process comprising polymerizing an olefin monomer, and optionally an olefin comonomer, in the presence of a diluent in a polymerization reactor to make a polymerization product slurry consisting of a liquid phase and a solid phase,... Agent:

20140329978 - Process for controlling the polymer composition of an ethylene copolymer obtained by a catalyst system comprising a transition metal catalyst component and a ziegler catalyst component: processes for copolymerizing ethylene and at least one other olefin in the presence of such a polymerization catalyst system comprising utilizing the controlling method, a method for altering the polymer composition of an ethylene copolymer obtained by copolymerizing ethylene and at least one other olefin in the presence of such... Agent: Basell Polyolefine Gmbh

20140329979 - Novel polymers: Novel copolymers of ethylene and α-olefins are provided having (a) a density in the range 0.900-0.940 g/cm3, (b) a melt index MI2 (2.16 kg, 190° C.) in the range 0.01-50 g/10 min, (c) a molecular weight distribution (Mw/Mn, by conventional GPC) in the range 2.0-4.5, (d) a comonomer partition factor,... Agent: Ineos Europe Ag

20140329980 - Multifunctional monomers, methods for making multifunctional monomers, polymerizable compostions and products formed thereform: The present invention provides multifunctional monomers, including, but not limited to include multifunctional methylene malonate and methylene beta-ketoester monomers; methods for producing the same; and compositions and products formed therefrom. The multifunctional monomers of the invention may be produced by transesterification or by direct synthesis from monofunctional methylene malonate monomers... Agent:

20140329981 - Continuous polymerization apparatus and process for producing polymer composition: The present invention provides a novel continuous polymerization apparatus which is able to efficiently produce a polymer composition suitable for obtaining a resin composition with high quality. In a continuous polymerization apparatus, at least, a first reactor of a complete mixing type and a second reactor of a complete mixing... Agent: Sumitomo Chemical Company, Limited

20140329982 - Method for producing purified nitrile rubbers: A new process is provided for producing a purified nitrile rubber by subjecting the nitrile rubber, which contains specific impurities, to a defined ultrafiltration. Success is thereby achieved in substantially reducing the amount of the specific impurities in the nitrile rubber.... Agent:

20140329983 - Process for the manufacture of vinyl chloride monomer (vcm) and of polyvinyl chloride (pvc): Process for the manufacture of vinyl chloride monomer (VCM), comprising step 1): subjecting 1,2-dichloroethane (EDC) to pyrolysis in order to generate a gas mixture comprising VCM, hydrochloric acid (HCl), and EDC; step 2): quenching and/or cooling and/or condensing such gas mixture to a liquid+gas mixture; step 3): subjecting such liquid+gas... Agent:

10/30/2014 > 6 patent applications in 6 patent subcategories.

20140323670 - Method for producing polyether carbonate polyols: The present invention relates to a method for producing polyether carbonate polyols by way of the catalytic addition of carbon dioxide and alkylene oxides to H-functional starter compounds in the presence of double metal cyanide (DMC) catalyser that was activated in the presence of cyclic anhydride.... Agent: Bayer Intellectual Property Gmbh

20140323671 - Process for metathesis of olefins obtained from fischer-tropsch fractions using a ruthenium complex comprising a dissymmetrical n-heterocyclic diaminocarbene: This invention describes a process for metathesis of olefins from feedstocks obtained from the Fischer-Tropsch process, using as catalyst a ruthenium alkylidene complex comprising a saturated or unsaturated, dissymmetrical N-heterocyclic carbene (NHC) ligand.... Agent: Ecole Nationale Superieure De Chimie De Rennes

20140323672 - Perflouoro-t-butoxy allyl and propargyl ethers: Perfluoro-t-butoxyallyl ether and perfluoro-t-butoxypropargyl ether and methods for their synthesis are disclosed. Also disclosed are methods for making polymers from the perfluoro-t-butoxyallyl ether and perfluoro-t-butoxypropargyl ether.... Agent: City University Of Hong Kong

20140323673 - Method for producing resin composition and resin composition: r

20140323674 - Process for the removal of the solvent from a polymeric solution: A process for the removal of the solvent from a polymeric solution including at least one elastomeric polymer, which comprises subjecting said polymeric solution to a stripping step by means of water vapour, in the presence of a dispersant system comprising: —from 0.005% by weight to 1% by weight, preferably... Agent:

20140323675 - Polyethylene prepared with supported late transition metal catalyst systems: The present invention relates to the field of ethylene polymerisation with a supported late transition metal catalyst system.... Agent:

10/23/2014 > 15 patent applications in 14 patent subcategories.

20140316082 - Process for preparing olefin polymer by slurry loop polymerization having high powder density: The instant invention pertains to a process for preparing an ethylene homo- or copolymer in the presence of a supported chromium catalyst by slurry loop polymerization or copolymerization, whereby the resulting polymer powder has an increased powder density, in which the supported chromium catalyst has a chromium content of from... Agent:

20140316083 - Pre-polymerized catalyst components for the polymerization of olefins: A pre-polymerized catalyst component for the polymerization of olefins endowed with high activity and morphological stability comprises a non-stereospecific solid catalyst component containing Ti, Mg and a halogen, and an amount of an ethylene/alpha-olefin block (co)polymer ranging from 0.1 up to 5 g per g of said solid catalyst component,... Agent: Basell Poliolefine Italia S.r.l.

20140316084 - Catalyst system for polymerization of propylene: The present invention relates to a catalyst system for polymerization of propylene, process for preparing polypropylene and to polypropylene prepared by said process. The dual external donor composition of present invention has synergistic effects. It improves the efficiency of polymerization process and product properties for homo grade of polypropylene.... Agent: Reliance Industries Limited

20140316085 - Process of producing polyolefins using metallocene polymerization catalysts and copolymers therefrom: An ethylene copolymer, a Group 4 transition metal catalyst compound, and methods for polymerization using such a compound, said compound represented by the formula: (L)p(R′)zT(Cp)(A)MX2, where M is a Group 4 metal; z is 0 to 8; p is 1 to 3; X is an anionic leaving group; T is... Agent:

20140316086 - Nickel-based catalyst composition: In general the present invention provides a process for forming conjugated diene polymer, the process comprising the step of polymerizing conjugated diene monomer in the presence of a catalytically effective amount of a catalyst composition formed by combining (a) a nickel-containing compound, (b) an alkylating agent, (c) a fluorine-containing compound,... Agent:

20140316087 - Catalyst composition and process for ethylene oligomerization: According to the present disclosure, a higher oligomerization activity can be obtained with the catalyst composition than with a catalyst composition system in the prior art which contains no water. Moreover, when the catalyst composition according to the present disclosure is used, a high selectivity of α-olefins is obtainable. Besides,... Agent: Beijing Research Institute Of Chemical Industry, China Petroleum & Chemical Corporation

20140316088 - Metathesis catalysts and methods thereof: The present invention provides, among other things, novel compounds and methods for metathesis reactions. In some embodiments, a provided compound has the structure of formula I or II. In some embodiments, the present invention provides compounds and methods for Z-selective olefin metathesis.... Agent: Massachusetts Institute Of Technology

20140316089 - Pyridyldiamide metal catalysts and processes to produce polyolefins: wherein M is a hafnium or zirconium; R1 and R11 are selected from phenyl and substituted phenyl, wherein the substitutions are selected from C1 to C5 hydrocarbyls, preferably C2 to C4 hydrocarbyls, and can reside in any of the ortho, meta, para positions on the phenyl ring; R2′ and R2″... Agent:

20140316090 - Method for producing methacrylic resin for optical film: e

20140316091 - Ethylene-alpha-olefin-nonconjugated polyene copolymer: Provided is an ethylene-α-olefin-nonconjugated polyene copolymer having ethylene units, α-olefin units and nonconjugated polyene units, wherein the copolymer satisfies the following requirements: (A): the intrinsic viscosity [η] is 0.5 to 1.8 dl/g, (B): the content of ethylene units is 50 to 90 mol % and the content of α-olefin units... Agent: Sumitomo Chemical Company, Limited

20140316092 - Amphiphilic macromolecule and use thereof: The present invention provides an amphiphilic macromolecule and the use thereof. The amphiphilic macromolecules have repeating structural units: structural units to adjust molecular weight and molecular weight distribution and charging property effects, high stereo-hindrance structural units, and amphiphilic structural units, which are suitable for fields such as oil field well... Agent: Beijing Junlun Runzhong Science & Technology Co., Limited

20140316093 - Polymer and solar cell encapsulant using the polymer: e

20140316094 - Low density ethylene-based polymers with broad molecular weight distributions and low extractables: The invention provides an ethylene-based polymer comprising the following properties: a) a melt index (12)>2.0 dg/min; b) a Mw(abs) versus 12 relationship: Mw(abs)<A+B(I2), where A=2.40×105 g/mole, and B=−8.00×103 (g/mole)/(dg/min); and c) a G′ versus 12 relationship: G′>C+D(I2), where C=127.5 Pa, and D=−1.25 Pa/(dg/min). The invention also provides an ethylene-based polymer... Agent: Dow Global Technologies LLC

20140316095 - Vinyl chloride latex with low energy consumption and method for preparing the same: Disclosed is a polyvinyl chloride resin latex which is prepared by polymerization using a decreased amount of polymerization water in an early polymerization stage and then additional polymerization water in a late polymerization stage, so that the polyvinyl chloride resin latex has an increased solid content and a decreased water... Agent:

20140316096 - Low density ethylene-based polymers with extracts at lower molecular weights: The invention provides an ethylene-based polymer comprising the following properties: A) a “weight fraction (w) of molecular weight greater than 106 g/mole, based on the total weight of polymer, and as determined by GPC(abs),” that meets the following relationship: w<A+B(I2), where A=0.090, and B=−4.00×10-3 (min/dg); B) a G′ value that... Agent: Dow Global Technologies LLC

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