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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.
12/04/2014 > 13 patent applications in 11 patent subcategories.

20140357814 - Control over controlled radical polymerization processes: A procedure for improved temperature control in controlled radical polymerization processes is disclosed. The procedure is directed at controlling the concentration of the persistent radical in ATRP and NMP polymerizations procedures and the concentration of radicals in a RAFT polymerization process by feeding a reducing agent or radical precursor continuously... Agent:

20140357815 - High performance ziegler-natta catalyst systems, processes for producing such catalyst systems, and use thereof: A catalyst system for the polymerization of olefins may include a first solid catalytic component and a second solid catalytic component. The first solid catalytic component may include: a spherical MgCl2-xROH support; a group 4-8 transition metal; and a diether internal electron donor. The second solid catalytic component may include:... Agent: Lummus Novolen Technology Gmbh

20140357816 - Propylene random copolymer: Propylene random copolymers with low randomness and being free of from catalyst originating phthalates.... Agent:

20140357817 - Modified phosphinimine catalysts for olefin polymerization: Olefin polymerization is carried out with a supported phosphinimine catalyst which has been treated with a long chain substituted amine compound.... Agent: Nova Chemicals (international) S.a.

20140357818 - Modified phosphinimine catalysts for olefin polymerization: Olefin polymerization is carried out with a supported phosphinimine catalyst which has been treated with a long chain substituted amine compound.... Agent: Nova Chemicals (international) S.a.

20140357819 - Modified phosphinimine catalysts for olefin polymerization: Olefin polymerization is carried out with a supported phosphinimine catalyst which has been treated with a long chain substituted amine compound.... Agent: Nova Chemicals (international) S.a.

20140357820 - Olefin metathesis catalyst compositions comprising at least two metal carbene olefin metathesis catalysts: This invention relates to olefin metathesis catalysts and methods for controlling olefin metathesis reactions. More particularly, the present invention relates to methods and compositions for catalyzing and controlling ring opening metathesis polymerization (ROMP) reactions and the manufacture of polymer articles via ROMP. This invention also relates to olefin metathesis catalyst... Agent:

20140357821 - Low-temperature-resistant fluorine-containing elastomer and preparation method therefor: The present invention provides a low-temperature-resistant fluorine-containing elastomer formed through polymerization of the comonomers: 40-80 mol % 1,1-vinylidene fluoride, 2-10 mol % tetrafluoroethylene, 10-30 mol % perfluoro(alkyl vinyl ether), and 1-10 mol % vulcanization monomer. The present invention further provides a preparation method of the fluorine-containing elastomer. In the present... Agent:

20140357822 - Fluorinated oligomers having pendant functional groups: Described herein is an oligomer according to formula I: (I) wherein Y is an anionic group selected from the group consisting of: sulfates, carboxylates, phosphate, phosphonate, and sulfonate, wherein each X1, X2, and X3 are independently selected from F, Cl, H, and CF3; R is a linking group; each Z1... Agent:

20140357823 - Peptide-hydrogel composite: The present invention relates to polymers, especially polymers useful as hydrogels, and to use of hydrogels for repair or restoration of tissue. In particular, the polymers and hydrogels of the present invention can be used for the repair or restoration of cartilage, especially articular cartilage. The polymers comprise at least... Agent:

20140357824 - Branched conjugated diene copolymer, rubber composition and pneumatic tire: e

20140357825 - High pressure compressor lubrication: A lubricant composition for lubricating a high pressure compressor, the composition comprising a Fischer-Tropsch derived base oil and a polymeric thickener. Use in high pressure compressors, especially hyper compressors is described, as are high pressure olefin methods.... Agent:

20140357826 - Stretched films with maintained tear resistance and methods for making the same: Methods of stretching thermoplastic films in the machine direction include elongating the films in the machine direction without significantly reducing the films' machine-direction tear resistance. In one or more implementations, methods of stretching thermoplastic films include reducing the gauge of the films while substantially maintaining the films' machine-direction tear resistance.... Agent:

11/27/2014 > 8 patent applications in 8 patent subcategories.

20140350198 - Polycarbonate preparation method: Provided is a polycarbonate preparation method, comprising the following steps: a) mixing a phenoxide water aqueous solution of a bisphenol and/or a polyphenol with a phosgene and an inert organic solvent, reacting, and generating a polycarbonate oligomer; b) highly emulsifying the oligomer by reinforced micromixing to form a stable emulsion;... Agent: Wanhua Chemical Group Co., Ltd.

20140350199 - Continuity additive for polyolefin polymerization processes: A polymerization process is disclosed, including: polymerizing an olefin to form an olefin-based polymer in a polymerization reactor; and introducing a hindered amine light stabilizer to the polymerization reactor. The process may further comprise monitoring static in the polymerization reactor; maintaining the static at a desired level by use of... Agent: Univation Technologies, LLC

20140350200 - Process for the production of bimodal polyethylene in the presence of this catalyst system: The invention relates to a process for the production of bimodal polyethylene in a two-step polymerisation process in the presence of a catalyst system comprising: (I) the solid reaction product obtained by reacting of: a) a hydrocarbon solution containing 1) an organic oxygen containing magnesium compound or a halogen containing... Agent: Saudi Basic Industries Corporation

20140350201 - Conjugated diene polymer and method for producing same: Conjugated diene polymer comprising at least a conjugated diene monomer unit, the conjugated diene polymer has a number-average molecular weight (Mn) in terms of polystyrene of 1,000 to 1,000,000, a ratio (Mw/Mn) of a weight-average molecular weight (Mw) to the number-average molecular weight (Mn) of lower than 2.0 and the... Agent: Zeon Corporation

20140350202 - Activation of catalytic systems for the stereospecific polymerization of dienes: n

20140350203 - Method for producing nitrile rubber: Disclosed is a method for producing a nitrile rubber comprising adding 0.1 to 5 parts by weight of at least one phosphate emulsifier selected from the group consisting of monoalkyl ether phosphate (MAP) represented by the following Formula 1 and dialkyl ether phosphate (DAP) represented by the following Formula 2,... Agent: Lg Chem, Ltd.

20140350204 - Amphiphilic macromolecule and the purpose of this amphiphilic macromolecule: Amphiphilic macromolecules having structural units to adjust molecular weight and molecular weight distribution and charging property effects, high stereo-hindrance structural units, and amphiphilic structural units, are suitable for fields such as oil field well drilling, well cementation fracturing, oil gathering and transfer, sewage treatment, sludge treatment and papermaking, etc., and... Agent: Beijing Junlun Runzhong Science & Technology Co., Ltd.

20140350205 - Novel shear-resistant polymer systems, production thereof, and also use thereof as thickeners: p

11/20/2014 > 7 patent applications in 7 patent subcategories.

20140343236 - 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:

20140343237 - Solid catalyst component for polymerization of olefin, catalyst for polymerization of olefin, and method for producing olefin polymer: A solid catalyst component for olefin polymerization includes titanium, magnesium, a halogen, and a compound represented by the following formula (1): R1O—C(═O)—O—Z—OR2, and an olefin polymerization catalyst includes the solid catalyst component, an organoaluminum compound, and an optional external electron donor compound. An olefin polymer that has a moderate molecular... Agent: Toho Titanium Co., Ltd.

20140343238 - Process for the preparation of metallocene complexes: A process comprising reacting a 2-indenylboranic acid (ester) with a bromosubstituted compound in the presence of the Pd catalyst bis(triphenylphosphin)palladium dichloride and a base to form the corresponding bridged bis(indenyl) ligand. Where the 2-indenylboranic acid (ester) is the pinacolester of 2-indenylboranic acid, the process may further comprise reacting a 2-bromo... Agent: Saudii Basic Industries Corporation

20140343239 - Process for producing polytetrafluoroethylene fine powder: Tetrafluoroethylene is emulsion-polymerized in the presence of an aqueous medium, at least one fluorinated emulsifier selected from the group consisting of a C4-7 fluorinated carboxylic acid having from 1 to 4 etheric oxygen atoms in its main chain, and its salts, and a radical polymerization initiator, to produce a polytetrafluoroethylene... Agent: Asahi Glass Company, Limited

20140343240 - Poly(carboxylic acid)-based polymer for hydraulic material additive: t

20140343241 - Solid titanium catalyst component, olefin polymerization catalyst, and process for producing olefin polymer: The present invention provides a process for producing an α-olefin polymer comprising polymerizing or copolymerizing (a) C3 or higher α-olefin (s) in the presence of an olefin polymerization catalyst comprising solid titanium catalyst component (I) containing titanium, magnesium, halogen, and a compound with a specific structure having two or more... Agent: Mitsui Chemicals, Inc.

20140343242 - Polymerisation process: The present invention relates to a polymerisation process, and in particular provides a process for the polymerisation of monomer in a polymerisation system having at least one component attached thereto which component is flushed with a flush medium which enters the polymerisation system, wherein initially said component is flushed with... Agent: Ineos Europe Ag

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:

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