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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.
  
02/05/2015 > 9 patent applications in 8 patent subcategories.

20150038655 - High-pressure radical ethylene co-polymerization process with a reduced temperature of the reaction mixture prior to introduction into the reaction zone: The present invention relates to a high-pressure radical ethylene polymerization process in which ethylene is polymerized with a polyunsaturated olefin comprising at least 6 carbon atoms and at least two non-conjugated double bonds of which at least one is terminal; and/or an alpha-omega-divinylsiloxane according to Formula (I) wherein R1 and... Agent: Borealis Ag

20150038656 - Process for preparing polymers and reactor for performing the process: The invention relates to a process for preparing polymers from monomers and/or oligomers by adding a liquid comprising the monomers and/or oligomers dropwise to a continuous liquid phase in a reactor, the continuous liquid phase being immiscible with the liquid comprising the monomers and/or oligomers, and the monomers and/or oligomers... Agent:

20150038657 - Preparation process of branched conjugated diene polymer: e

20150038658 - Method for producing (meth)acrylate copolymer:

20150038659 - Process for preparing halogenated polymers:

20150038660 - Catalyst component for the polymerization of olefins: The present invention relates to a catalyst component for polymerization of an olefin comprising a compound represented by the Fischer projection of: wherein R5 is substituted or unsubstituted hydrocarbyl having 1 to 20 carbon atoms; R6 and R7 are different and independently selected from the group consisting of hydrogen, halogen... Agent: Saudi Basic Industries Corporation

20150038661 - Watersoluble linear copolymer: e

20150038662 - Alkylene oxide-modified dipentaerythritol (meth)acrylate and reactive composition containing same: An alkylene oxide-modified polyfunctional (meth)acrylate is provided wherein the problems according to high crystallinity or high viscosity are improved, and the photosensitivity, etc. is enhanced. The compound has a structure represented by the following formula (I), provided that in the formula (I), R represents a substituent represented by the formula... Agent: Dai-ichi Kogyo Seiyaku Co., Ltd.

20150038663 - Multistage drawing process for drawing polymeric elongated objects: The invention relates to a multistage drawing process for the drawing of polymeric elongated objects, containing a first drawing stage and a final drawing stage and optionally containing at least one intermediate drawing stage subsequent to the first drawing stage and prior to the final drawing stage, comprising in the... Agent: DsmIPAssets B.v.

  
01/29/2015 > 5 patent applications in 4 patent subcategories.

20150031843 - Ethylene polymerization process using an inhibitor: The present invention relates to an ethylene homo- or copolymerization process, characterized in that an inhibitor is added to the reaction mixture or any of its components before the reaction mixture is fed to the reaction zone. The present invention further relates to the use of an inhibitor to reduce... Agent:

20150031842 - Methods for polyolefin polymerization with high activity catalyst systems: A method is provided for polymerizing an olefin monomer in a reactor with a highly active polyolefin polymerization catalyst system. The method includes introducing a catalyst system comprising a catalyst and a catalyst activator into the reactor containing the olefin monomer with less than 10 seconds or no pre-contacting time... Agent:

20150031844 - Non-supported heterogeneous polyolefin polymerization catalyst composition and method for preparing same: Disclosed is a metallocene catalyst composition for polyolefin polymerization. The metallocene catalyst composition is in a non-supported, heterogeneous form where an ansa-metallocene is bound to a cocatalyst without a support. Also, a method for preparing the catalyst composition, and a method for preparing polyolefin using the catalyst are disclosed. Capable... Agent:

20150031845 - Process for producing polydienes: A method for producing a polydiene, the method comprising the steps of (i) forming an active catalyst by combining a lanthanide-containing compound, an alkylating agent, and a halogen source in the substantial absence of an organosulfide; and (ii) polymerizing conjugated diene monomer in the presence of the active catalyst and... Agent: Bridgestone Corporation

20150031846 - Polymers having chelating functionality: The present invention provides novel polymers having chelating functionality and comprising units derived from a vinyl aminocarboxylate monomer which comprises units derived from iminodiecetic acid, iminodisuccinic acid, or a salt thereof, and a vinyl epoxy benzene monomer.... Agent: Dow Global Technologies LLC

  
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 Corporation

  
01/15/2015 > 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:

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