|Synthetic resins or natural rubbers -- part of the class 520 series patents - Monitor Patents|
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Synthetic resins or natural rubbers -- part of the class 520 seriesBelow 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. 01/22/2015 > 13 patent applications in 8 patent subcategories.
20150025203 - Polymerisation process: The present invention relates to a polymerisation process, in particular to the polymerisation of olefins in a reactor system comprising two reactors in series, and most particularly provides a process for the polymerisation of monomer in at least first and second reactors operated in series, which process comprises contacting a... Agent:
20150025202 - Process: The present invention relates to a process for the introduction of liquid feeds to a polymerisation process, and in particular provides a process for the introduction of a fresh feed selected from fresh comonomer and fresh inert hydrocarbon to a polymerisation reactor, which process comprises passing said fresh feed and... Agent:
20150025204 - Hybrid supported metallocene catalyst, method for preparing the same, and process for preparing polyolefin using the same: Provided are a hybrid supported metallocene catalyst, a method for preparing the same, and a process for preparing an olefin polymer using the same, and more particular, a hybrid supported metallocene catalyst characterized in that two kinds of metallocene compounds containing a new cyclopenta[b]fluorenyl transition metal compound are supported on... Agent: Sk Innovation Co., Ltd.
20150025207 - Cyclopropyl substituted metallocene catalysts: This invention relates to a novel group 2, 3 or 4 transition metal metallocene catalyst compound having at least one arenyl ligand substituted with: 1) a cyclopropyl group and, optionally, 2) at least one other group, such as a hydrocarbyl, a heteroatom or a heteroatom containing group.... Agent:
20150025205 - Metallocenes and catalyst compositions derived tehrefrom: This invention relates to a novel group 2, 3 or 4 transition metal metallocene catalyst compound that is asymmetric having two non-identical indenyl ligands with substitution at R2 having a branched or unbranched C1-C20 alkyl group substituted with a cyclic group or a cyclic group, R8 is an alkyl group... Agent:
20150025206 - Metallocenes and catalyst compositions derived therefrom: This invention relates to a novel group 2, 3 or 4 transition metal metallocene catalyst compound having two indenyl ligands with identical substitution including, for example, cyclopropyl groups and substituted phenyl groups at the 2 and 4 positions of the catalyst, respectively, where the substituents are at the 3′ and... Agent:
20150025208 - Metallocenes and catalyst compositions derived therefrom: This invention relates to a novel group 4 transition metal metallocene catalyst compound that is asymmetric having two non-identical indenyl ligands with substitution at R2 having a branched C1-C20 alkyl group, R8 having a linear alkyl group and R4 and R10 having substituted phenyl groups, where at least one of... Agent:
20150025210 - Process using substituted metallocene catalysts and products therefrom: This invention relates to a process to produce propylene polymer using a bridged hafnium transition metal metallocene catalyst compounds having two indenyl ligands substituted at the 4 positions with a C1 to C10 alkyl, where the 3 positions are hydrogen (assuming the bridge position is counted as the one position)... Agent:
20150025209 - Substituted metallocene catalysts: This invention relates to novel bridged a hafnium transition metal metallocene catalyst compounds having two indenyl ligands substituted at the 4 positions with a C1 to C10 alkyl, where the 3 positions are hydrogen (assuming the bridge position is counted as the one position) and the bridging atom is carbon... Agent:
20150025211 - Catalyst system for the polymerization of olefins: i
20150025212 - Novel organometallic catalysts: The present invention refers to novel ruthenium- and osmium-based catalysts for olefin metathesis reactions, particularly to catalysts having stereoselective properties. Z-selectivity is obtained by utilising two mono-anionic ligands of very different steric requirement. In olefin metathesis reactions these catalysts selectively provide the Z-isomer of disubstituted olefinic products even in presence... Agent:
20150025213 - Charge control resin and manufacturing method of the same: in the Formula (1), R1 is independent of one another, and is a hydrogen atom, a hydroxyl group, a halogen atom, a carboxy-containing group, a straight-chained or branched alkyl group having 1-18 carbon atoms, or a straight-chained or branched alkoxy group having 1-18 carbon atoms; R2 is a hydrogen atom,... Agent: Orient Chemical Industries Co., Ltd.
20150025214 - Processes for the removal of rubber from non-hevea plants: Provided herein are organic solvent-based processes for the removal of rubber from non-Hevea plants such as guayule shrubs. By the use of the processes, solid purified rubber can be obtained that contains 0.05-0.5 weight % dirt, 0.2-1.5 weight % ash, and 0.1-4 weight % resin (when it has been dried... Agent: Bridgestone Corporation01/15/2015 > 4 patent applications in 4 patent subcategories.
20150018501 - Metal cyanide complex catalyst and its preparation and application: A metal cyanide complex catalyst and its preparation and application are disclosed. The formula of this catalyst is M1a[M2(CN)bL1c]d(X)m(L2)n.xSu.yL3.zH2O and its preparation method comprises: (A) adjusting pH of a mixed solution I′ of L3, M3e[M2(CN)bL1c]f, de-ionized water I, alcohol and/or ether solvent to less than 7.0, and adding it into... Agent:
20150018502 - Method for ethylene oligomerization: The present invention relates to a method for ethylene oligomerization. According to the method of the present invention, highly active ethylene oligomerization reaction is possible by using a catalyst system including a novel chromium compound exhibiting high activity for ethylene oligomerization reaction, and therefore, polyethylene can be prepared using a... Agent: Lg Chem, Ltd.
20150018503 - Methods for producing fluorided-chlorided silica-coated alumina activator-supports and catalyst systems containing the same: Methods for the preparation of fluorided-chlorided silica-coated alumina activator-supports are disclosed. These activator-supports can be used in catalyst systems for the production of olefin-based polymers, such as polyethylene and polypropylene.... Agent:
20150018504 - Activating agents for hafnium-based metallocene components: The present invention discloses an active metallocene catalyst system prepared with a hafnium-based metallocene catalyst system and an activating agent comprising an aluminoxane and a sterically hindered Lewis base.... Agent:01/08/2015 > 3 patent applications in 2 patent subcategories.
20150011717 - Methods of making polyethylene polymer comprising polar comonomer and polymer compositions: A continuous process for producing high pressure polyethylene is described. The process includes contacting first amounts of ethylene, an optional polar comonomer, and a first C2 to C12 modifier in the presence of a first amount of initiator in a reaction system under polymerization conditions to form a reaction system... Agent:
20150011718 - Pressure management for slurry polymerization: Processes and systems for the production for pressure management of a polymerization product flowing from a loop polymerization reactor to a separation vessel in a slurry polymerization system are disclosed herein. For example, a process comprises withdrawing a polymerization product slurry from a loop polymerization reactor, conveying the polymerization product... Agent:
20150011719 - Methods for making catalyst compositions and polymer products produced therefrom: Methods for making olefin polymerization catalysts and methods for making polymers using the catalysts are provided. The method for making the catalyst can include combining one or more supports with one or more magnesium-containing compounds under reaction conditions to form a first reacted product. One or more chlorinating compounds selected... Agent: Univation Technologies, LLC01/01/2015 > 9 patent applications in 8 patent subcategories.
20150005459 - Process for purging propane in a polypropylene manufacturing process: A process can include polymerizing propylene in a polymerization zone, withdrawing an effluent, and sending the effluent to a separation zone. A stream can be sent from the separation zone to a splitter to produce an overhead and a bottom stream. The overhead can be recycled to the polymerization zone,... Agent: Total Research & Technology Feluy
20150005460 - Catalyst system with three metallocenes for producing broad molecular weight distribution polymers: Disclosed herein are polymerization processes for the production of olefin polymers. These polymerization processes use a catalyst system containing three metallocene components, often resulting in polymers having a reverse comonomer distribution and a broad and non-bimodal molecular weight distribution.... Agent:
20150005462 - System and method for rapid transitioning of polyolefin processes from one product to another: A gas-phase polyolefin reactor system for rapidly transitioning from one polyolefin product to another is disclosed. The reactor system comprises a steady-state control valve, a high-flow valve, a polyolefin reactor, a flow meter, a totalizer, an online analyzer and an empirical model. During a transition, the on-line analyzer measures an... Agent: Ineos Usa, LLC
20150005463 - Facile synthesis of metalloporphyrin polymers: A method is provided for synthesizing a metal (M) meso-tetraphenylporphyrin polymer. The method begins with the provision of a free-base (H2)-meso-tetra-4-(trialkylsilyl)ethynylphenylporphyrin (H2-tetra-C≡C-TriAS-TPP) including a trialkylsilyl (TriAS) moiety attached to an ethynyl termini. In response to a reaction with a metal (M)-containing material, the H2-tetra-C≡C-TriAS-TPP is converted to a metal (M)-tetra-4-(trialkylsilyl)ethynylphenylporphyrin... Agent:
20150005464 - Metalloporphyrin polymer functionalized substrate: A method is provided for fabricating a metalloporphyrin polymer on a substrate. The method creates a functionalized substrate by attaching an anchor group of a linker, including a terminal alkyne group, to a substrate surface. The functionalized substrate is then exposed to metalloporphyrin monomers, where each metalloporphyrin monomer includes at... Agent: Sharp Laboratories Of America, Inc.
20150005465 - Polymers containing an acetoacetate moiety: The present invention provides polymers containing an acetoacetate moiety. The polymers may be readily functionalized and the functionalized polymers may be further derivatized to provide a wide variety of useful polymers having desirable chemical and physical properties. The polymers of the present invention may be employed in a wide variety... Agent:
20150005466 - Ab block copolymer dispersants having an ink vehicle soluble block: The present disclosure provides a block copolymeric dispersant composition, wherein the dispersant composition includes an A block and a B block, wherein the A block is a segment having a block size of about 5 to about 18 units, is substantially free of hydroxyethylmethacrylate, and makes up at least 50%... Agent:
20150005467 - Method for producing homopolymer or random copolymer of hydroxyl group-containing vinyl ether: [Means for solving problem] A method of producing a homopolymer or random copolymer of hydroxyl group-containing vinyl ether according to the present invention comprises the step of polymerizing a monomer component comprising at least one hydroxyl group-containing vinyl ether using an oil-soluble radical polymerization initiator in the absence or presence... Agent: Maruzen Petrochemical Co., Ltd.Previous industry: Synthetic resins or natural rubbers -- part of the class 520 series
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