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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.
  
05/21/2015 > 17 patent applications in 14 patent subcategories.

20150141589 - Olefin polymerizer, polyolefin production system, and process for producing polyolefin: An olefin polymerization reactor comprising a tubular portion that extends in a vertical direction; a tapered portion disposed inside the tubular portion, an inside diameter of the tapered portion decreasing downwardly, and including a vertically penetrating orifice at a bottom end thereof; a tubular lower deflector disposed above the orifice... Agent: Sumitomo Chemical Company, Limited

20150141590 - Process to produce polymers from pyridyldiamido transition metal complexes and use thereof: Processes to produce ethylene copolymers using pyridyldiamido transition metal complexes, a chain transfer agent, and an activator are disclosed.... Agent:

20150141591 - Solution process for the production of ep(d)m elastomers and polymerisation reactor for use in said process: The invention describes a process for the production of EP(D)M in solution in a stirred reactor (CSTR) in which the reaction bath is kept in a boiling condition at a temperature of between 40 and 60° C. and at a pressure of between 0.6 and 1.3 MPa, and in which... Agent: Fastech S.r.l.

20150141592 - Bimodal polymerization process utilizing chromium/silica catalysts: e

20150141593 - Dual catalyst systems for producing polymers with a broad molecular weight distribution and a uniform short chain branch distribution: Disclosed herein are ethylene-based polymers having a melt index less than 50 g/10 min, a ratio of Mw/Mn from 4 to 20, a density from 0.90 to 0.945 g/cm3, and a substantially constant short chain branch distribution. These polymers can be produced using a dual catalyst system containing a boron... Agent: Chevron Phillips Chemical Company Lp

20150141594 - Catalyst components for the polymerization of olefins: in which the R groups equal to or different from each other, are C1-C15 hydrocarbon groups, the R1-R2 groups, equal to or different from each other, are hydrogen, halogen or C1-C15 hydrocarbon groups, optionally containing an heteroatom selected from halogen, P, S, N and Si, which can be fused together... Agent: Basell Poliolefine Italia S.r.i.

20150141595 - Catalyst components for the polymerization of olefins:

20150141596 - Catalyst systems comprising pyridyldiamido transition metal complexes and chain transfer agent and use thereof: Pyridyldiamido transition metal complexes are disclosed for use in alkene polymerization with chain transfer agent.... Agent:

20150141597 - Boron-bridged bis-indenyl metallocene catalyst systems and polymers produced therefrom: Disclosed herein are catalyst compositions containing boron bridged, bis-indenyl metallocene compounds with an alkenyl substituent. These catalyst compositions can be used for the polymerization of olefins. For example, ethylene copolymers produced using these catalyst compositions can be characterized by a density less than 0.92 g/cm3 and a melt index greater... Agent:

20150141598 - Boron-bridged metallocene catalyst systems and polymers produced therefrom: Disclosed herein are catalyst compositions containing boron bridged, cyclopentadienyl-indenyl metallocene compounds with an alkenyl substituent. These catalyst compositions can be used for the polymerization of olefins. For example, ethylene homopolymers produced using these catalyst compositions can be characterized by a density less than 0.97 g/cm3 and a melt index greater... Agent: Chevron Phillips Chemical Company Lp

20150141599 - Catalyst systems containing boron-bridged cyclopentadienyl-fluorenyl metallocene compounds with an alkenyl substituent: Disclosed herein are catalyst compositions containing boron-bridged, cyclopentadienyl-fluorenyl metallocene compounds with an alkenyl substituent. These catalyst compositions can be used for the polymerization of olefins. For example, ethylene copolymers produced using these catalyst compositions can be characterized by a combination of a flat or a conventional comonomer distribution and low... Agent:

20150141600 - Method for synthesizing homopolymer n-vinyl butyrolactam with super-low molecular weight and super-low residual monomer: The present invention relates to a synthesis method of ultra low molecular weight homopolymerized N-vinyl butyrolactam with ultra low residual monomer content, which comprises: using N-vinyl butyrolactam monomers and water with the mass ratio of 3:17˜8:12, then based on the N-vinyl butyrolactam monomers, using 0.5%˜5.0% by weight of initiators, 0.1%˜5.0%... Agent: Shanghai Yuking Water Soluble Material Technology Co., Ltd.

20150141601 - Pyridyldiamido transition metal complexes, production and use thereof: Pyridyldiamido transition metal complexes are disclosed for use in alkene polymerization.... Agent:

20150141603 - Latent, high-activity olefin metathesis catalysts containing an n-heterocyclic carbene ligand: The invention provides novel organometallic complexes useful as olefin metathesis catalysts. The complexes have an N-heterocyclic carbene ligand and a chelating carbene ligand associated with a Group 8 transition metal center. The molecular structure of the complexes can be altered so as to provide a substantial latency period. The complexes... Agent:

20150141602 - Process for treating a dicyclopentadiene monomer: A monomer treatment process including treating at least one metathesis polymerizable monomer composition having a purity of less than 95 weight percent of a dicyclopentadiene monomer with an alkali metal-containing additive prior to polymerizing the metathesis polymerizable monomer composition such that the treated polymerized monomer exhibits improved properties in metathesis... Agent:

20150141604 - Curable fluorinated polymer, process for its production, and fluorinated polymer cured product: A curable fluorinated polymer having constituent units (A) based on fluoromonoenes (a) and constituent units (B) based on a non-cyclopolymerizable fluorodiene (b), in which the content of polymerizable double bonds is from 0.01 to 0.5 mmol/g, and of which the intrinsic viscosity is from 0.1 to 1 dL/g, and a... Agent: Asahi Glass Company, Limited

20150141605 - Production of polypropylene from renewable resources: Processes for forming propylene from methanol are disclosed. The processes involve converting methanol to a product mixture comprising ethylene and propylene, separating the ethylene from the propylene, dimerizing a first portion of the ethylene to form a product mixture comprising 1-butylene, isomerizing the 1-butylene to form a mixture of cis... Agent:

  
05/14/2015 > 9 patent applications in 8 patent subcategories.

20150133612 - Methods of controlling dual catalyst olefin polymerizations with an alcohol compound: Methods for controlling properties of an olefin polymer using an alcohol compound are disclosed. The MI and the HLMI of the polymer can be decreased, and the Mw and the Mz of the polymer can be increased, via the addition of the alcohol compound.... Agent: Chevron Phillips Chemical Company Lp

20150133613 - Process for preparing polyolefins and use of antifouling agents therein: A process of preparing a polyolefin in a loop reactor in the presence of antifouling agent can include feeding into the loop reactor diluent, monomers, optionally hydrogen, and optionally one or more co-monomers to produce a liquid phase. Antifouling agent and catalyst can be introduced into the loop reactor. The... Agent:

20150133614 - Increased polymer melt flow ratio via feed of a supported catalyst saturated with a selected liquid agent: A process for the production of ethylene alpha-olefin copolymers is disclosed. The process may include feeding a catalyst system comprising a supported metallocene, such as a hafnocene, having pores saturated with a selected liquid agent, to a gas phase polymerization reactor. Ethylene and an alpha-olefin may then be contacted with... Agent: Univation Technologies, LLC

20150133615 - Spray-dried catalyst compositions and polymerization processes employing the same: Spray-dried catalyst compositions comprising a transition metal complex and polymerization processes employing the same are disclosed herein. An embodiment provides a spray-dried catalyst composition comprising a transition metal catalyst component represented by the following formula: (I) and polymerization process employing the same.... Agent: Univation Technologies, LLC

20150133616 - Process and plant for manufacturing polyethylene-diene-copolymers: The present invention provides a process for manufacturing polyethylene-diene-copolymer conducted in a plant including at least one compressor unit, at least one preheater unit downstream of the compressor unit and at least one reactor, in particular a reactor, downstream of the compressor unit and the preheater unit. The process comprising... Agent:

20150133617 - Conjugated polymer compound: A conjugated polymer compound is disclosed. The conjugated polymer compound includes a conjugated polymeric main chain; and a porphyrin compound having absorption in a blue light region of solar radiation, and is bonded to the polymeric main chain to form a side chain on the polymeric main chain.... Agent:

20150133618 - Separation method and separation matrix: The invention discloses a method of separating a biomolecule from at least one other component in a liquid, comprising a step of contacting said liquid with a separation matrix comprising a solid support and polymer chains bound to said solid support. The polymer chains comprise units derived from a first... Agent:

20150133619 - Silicone compound and a use thereof: e

20150133620 - System and method for polymerization: Techniques are provided for polymerization. A polymerization method may include polymerizing a monomer in a polymerization reactor to produce a slurry comprising polyolefin particles and a diluent, flowing the slurry out of the polymerization reactor through an outlet of the polymerization reactor, receiving the slurry from the outlet into a... Agent: Chevron Phillips Chemical Company Lp

  
05/07/2015 > 8 patent applications in 7 patent subcategories.

20150126693 - Chain transfer agent removal between polyolefin polymerization reactors: A system and method for polymerizing olefin in the presence of a chain transfer agent in a first reactor to form a first polyolefin, discharging from the first reactor a transfer shiny having the first polyolefin and the chain transfer agent, and processing the transfer slurry in a separator to... Agent:

20150126692 - Low density polyolefin resins with low molecular weight and high molecular weight components, and films made therefrom: Disclosed herein are ethylene-based polymers produced using dual metallocene catalyst systems. These polymers have low densities, high molecular weights, and broad molecular weight distributions, as well as having the majority of the long chain branches in the lower molecular weight component of the polymer, and the majority of the short... Agent: Chevron Phillips Chemical Company Lp

20150126694 - Attrition resistant catalyst system for manufacture of polyolefins: The present invention relates to regular shaped magnesium particles containing attrition resistant precursors and procatalysts thereof and processes for their synthesis and their use in the manufacture of polyolefins. More particularly, the present invention relates to a process for the synthesis of a said precursor particles which give highly active... Agent: Reliance Industries Limited

20150126695 - Polymerization catalyst composition, method for producing synthetic polyisoprene, and synthetic polyisoprene: e

20150126696 - Polymerization using latent initiators: The present invention relates to a novel, rapid initiation mechanism for polymerising (meth)acrylates using latent initiators based on N-heterocyclic carbene compounds which can be thermally activated, such as, in particular, N-heterocyclic carbene-CO2 compounds, carbene-CS2 compounds or carbene-metal compounds (NHC). Using the new initiation mechanism, molecular weights of 10 000 to... Agent: Evonik Industries Ag

20150126697 - (meth) acrylic resin composition: A (meth)acrylic resin composition comprising 99.5% by mass or more of a (meth)acrylic resin composed of 80 to 100% by mass of a structural unit derived from methyl methacrylate and 0 to 20% by mass of a structural unit derived from an acrylic acid ester, wherein the (meth)acrylic resin composition... Agent: Kuraray Co., Ltd.

20150126698 - Rubber composition for tire, tire member, method for producing biomass-derived rubber, and pneumatic tire: The present invention provides rubber compositions for tires capable of providing tire components and pneumatic tires having low-temperature properties and abrasion resistance that are equivalent to those of tire components and pneumatic tires formed from conventional synthetic rubber, respectively, while meeting the demand for a sound material-cycle society. The present... Agent: Sumitomo Rubber Industries, Ltd.

20150126699 - Hydrocarbon conversion process: The invention relates to methods and equipment for converting C3+ olefin to, e.g., one or more of di-C3+ olefin, oligomers and polymers of C3+ olefin, branched C4+-aldehydes, C4+-carboxylic acids, and C4+ oxygenates. The invention encompasses producing methyl tert-butyl ether and diisobutylene, and converting methyl tert-butyl ether to isobutylene.... Agent:

  
04/30/2015 > 9 patent applications in 8 patent subcategories.

20150119537 - Processes using staged hydrogen addition: This invention relates to processes using staged hydrogen addition in propylene polymerization. Using this process, broad/bi-modal MWD iPP with excellent stiffness properties and melt flow rates were produced.... Agent:

20150119538 - Gas phase polymerisation of ethylene: The invention relates to a process for the production of polyethylene by gas phase polymerisation of ethylene in the presence of a supported chromium oxide based catalyst which is modified with an amino alcohol wherein the molar ratio of amino alcohol:chromium ranges between 0.5:1 and 1:1, wherein the support is... Agent: Saudi Basic Industries Corporation

20150119539 - Asymmetric polypropylene catalysts: This invention relates to unsymmetrical metallocenes, catalyst systems therefrom and their use to make highly isotactic polypropylene.... Agent:

20150119540 - Novel aluminum alkyl with c5 cyclic and pendent olefin polymerization catalyst: This invention relates to organoaluminum compounds, to organoaluminum activator systems, preferably supported, to polymerization catalyst systems containing these activator systems and to polymerization processes utilizing the same. In particular, this invention relates to catalyst systems comprising an ion-exchange layered silicate, an organoaluminum compound, and a metallocene.... Agent:

20150119541 - Process for the production of methacrylic acid and its derivatives and polymers produced therefrom: A process for the production of methacrylic acid or esters thereof by the base catalysed decarboxylation of at least one dicarboxylic acid selected from itaconic, citraconic or mesaconic acid or mixtures thereof in an aqueous reaction medium is described. The decarboxylation is carried out at a temperature in the range... Agent:

20150119542 - Electrochemical conversion of hydrocarbons: An electrochemical conversion method for converting at least a portion of a first mixture comprising hydrocarbon to C2+ unsaturates by repeatedly applying an electric potential difference, V(τ1), to a first electrode of an electrochemical cell during a first time interval τ1; and reducing the electric potential difference, V(τ1), to a... Agent:

20150119543 - Polypropylene molded article and method for manufacturing the same: A polypropylene molded article has a crystallinity degree of 48% or more by wide-angle X-ray diffraction measurement. The half width of an orientation peak in an azimuth angular distribution obtained by wide-angle X-ray diffraction measurement on the polypropylene molded article is 5.5° or less, and the long period of the... Agent:

20150119544 - Hydrocarbon conversion process: The invention relates to processes for converting a mixture of hydrocarbon and sulfur-containing molecules such as mercaptan into products comprising acetylene, ethylene, and hydrogen sulfide, to processes utilizing the acetylene and ethylene resulting from the conversion, and to equipment useful for such processes.... Agent:

20150119545 - Method of fabricating thermal conductive polymer: Provided is a method of fabricating a thermal conductive polymer, including: a) fabricating a gel filament by primarily elongating a solution filament formed by spinning a mixed solution containing an ultra high molecular weight polyolefin (UHMWPO) resin and a first solvent, followed by cooling; b) secondarily elongating the gel filament;... Agent:

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