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 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.
  
06/11/2015 > patent applications in patent subcategories.
  
06/04/2015 > patent applications in patent subcategories.
  
05/28/2015 > 8 patent applications in 8 patent subcategories.

20150148501 - Slurry phase polymerisation process: A process comprising polymerising in a loop reactor an olefin monomer optionally together with an olefin commoner in the presence of a polymerisation catalyst in a diluent to produce a slurry comprising solid particulate olefin polymer and the diluent wherein the Froude number is maintained at or below 20 is... Agent:

20150148502 - Non-cyclopentadienyl-based chromium catalysts for olefin polymerization: Provided is a non-cyclopentadienyl-based chromium-ligand complex, preferably a chromium-ligand complex of formula (J): LCr(RA)m(D)k (J), wherein L is a non-Cp monoanionic ligand; Cr (chromium) is in a formal oxidation state of +3 or +2; when Cr formally is Cr+3, either m is 1 and RA is hydrocarbylene (a hydrocarbylene chromium-ligand... Agent: Dow Global Technologies LLC

20150148503 - Novel bimetallic cobalt-aluminum adduct catalyst system for preparing high trans-1,4-polybutadiene: The present invention relates to preparing high 1,4-trans-polybutadiene by polymerizing 1,3-butadiene or a butadiene derivative in a non-polar solvent in the presence of a catalyst system comprising a novel bimetallic cobalt-aluminum adduct, which makes it possible to prevent gel formation, control the molecular weight of the trans-polybutadiene and increase the... Agent: Korea Kumho Petrochemical Co., Ltd.

20150148504 - Free-radical processes to make ethylene-based polymers using alklyated phenols: The invention provides a process to form an ethylene-based polymer, said process comprising polymerizing ethylene in presence of at least the following: A) a free-radical agent; B) an alkylated phenol selected from Formula (I), wherein R1, R2, R3, R4 and R5 are each, independently, hydrogen or an alkyl; and C)... Agent: Dow Global Technologies LLC

20150148505 - Amidinate and guanidinate complexes, their use as chain transfer polymerization catalysts and long chain alcohols obtained by such process: The present invention is concerned with a catalyst composition comprising titanium-, zirconium- and/or hafnium amidinate complexes and/or titanium-, zirconium- and/or hafnium guanidinate complexes and organo aluminium and/or organic zinc compounds, a coordinative chain transfer polymerization (CCTP) process employing the catalyst composition as well as long chain aluminium alkyls and subsequent... Agent:

20150148506 - 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 control valve, a high-flow valve, a polyolefin reactor, a flow meter, a totalizer and an empirical model. During a transition, the empirical model predicts a required amount based upon... Agent: Ineos Usa, LLC

20150148507 - Monomers, polymers and articles containing the same from sugar derived compounds: Disclosed herein are monomers formed by reacting a sugar derived compound(s) comprising a lactone and two hydroxyls with a compound(s) comprising an isocyanate and an acrylate or methacrylate. Polymers formed from such monomers, and articles formed from the polymers are also disclosed.... Agent:

20150148508 - (meth) acrylic resin composition: A (meth)acrylic resin composition comprising not less than 99.5% by mass of (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 acrylic acid ester, wherein a difference between YI4 and... Agent: Kuraray Co., Ltd.

  
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:

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