Patents Assigned to Dow Global Technologies
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Publication number: 20140221558Abstract: The instant invention provides a polyethylene blend composition having reduced chill roll buildup during extrusion process, and films and coating layers made therefrom. The polyethylene blend composition according to the present invention provide reduced chill roll buildups during extrusion process, and comprises: (a) from 60 to 95 percent by weight of a linear polyethylene composition comprising less than or equal to 100 percent by weight of the units derived from ethylene, and less than 15 percent by weight of units derived from one or more ?-olefin comonomers; wherein said linear polyethylene composition has a density in the range of from 0.917 to 0.975 g/cm3, a molecular weight distribution (Mw/Mn) in the range of from 1.70 to 3.62, a melt index (I2) in the range of from 2 to 50 g/10 minutes, and a vinyl unsaturation in the range of from less than 0.Type: ApplicationFiled: May 27, 2011Publication date: August 7, 2014Applicant: Dow Global Technologies LLCInventors: Jason C. Brodil, James L. Cooper, Nathan J. Wiker
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Publication number: 20140221554Abstract: The instant invention provides a crosslinkable aqueous composition, method of producing the same, crosslinked compositions, and method of producing the same. The crosslinkable composition comprising: an aqueous dispersion comprising; (a) water; (b) a polycarbamate comprising at least an average of 2.0 carbamate functional groups; (c) a polyaldehyde comprising at least two aldehyde groups; (d) an acid catalyst; and (e) optionally one or more surfactants; wherein said aqueous dispersion has a pH in the range of less than 7; and wherein said composition is capable of being crosslinked at a temperature in range of less than 80° C. upon substantial removal of water.Type: ApplicationFiled: April 14, 2014Publication date: August 7, 2014Applicants: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Eric Greyson, John N. Argyropoulos, Paul Foley, Andrew Swartz, Nahrain E. Kamber, Caroline Slone, Manesh N. Sekharan
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Publication number: 20140220329Abstract: The instant invention provides a polymer composition suitable for clear graphic cling film applications, method of producing the same, articles made therefrom, and methods for making such articles. The polymer composition suitable for clear graphic cling film applications, according to the present invention, comprises: (a) a polyolefin composition selected from the group consisting of a propylene-based composition, and an ethylene-based composition, wherein the propylene-based composition has an melt flow rate in the range of from 2 to 8 g/10 minutes, a dynamic mechanical spectroscopy (DMS) value in the range of from 3700 to 10100 Pascal-seconds at 0.1 radian per second, and from 650 to 1200 Pascal-seconds at 100 radian per second measured at 190° C., and having a crystallinity in the range of from at least 4 percent by weight to 11 percent by weight, and a heat of fusion of in the range of from 6 to 19 Joules/gram, and a DSC melting point of less than 110° C.Type: ApplicationFiled: June 6, 2012Publication date: August 7, 2014Applicant: Dow Global Technologies LLCInventors: Laura Bauerle Weaver, Jeffrey C. Munro, Sherrika D. Daniel
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Publication number: 20140221559Abstract: The invention provides a composition comprising at least the following: A) an ethylene/a-olefin interpolymer with a density ?0.90 g/cc, and an I2 greater than 10; B) a functionalized olefin-based polymer; and C) an olefin-based polymer with a density greater than 0.90 g/cc, and selected from the group consisting of the following: a) an ethylene homopolymer, b) an ethylene/?-olefin interpolymer, c) a propylene/ethylene interpolymer, and d) a propylene/?-olefin interpolymer; and wherein the [density (C)?density (A)] is greater than, or equal to, 0.017; and wherein the weight ratio of [(A+C)/B] is greater than, or equal to, 3.0.Type: ApplicationFiled: September 21, 2012Publication date: August 7, 2014Applicant: Dow Global Technologies LLCInventor: Ronald J. Weeks
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Publication number: 20140213735Abstract: An ethylenic polymer comprising amyl groups from about 0.1 to about 2.0 units per 1000 carbon atoms as determined by Nuclear Magnetic Resonance and both a peak melting temperature, Tm, in ° C., and a heat of fusion, Hf, in J/g, as determined by DSC Crystallinity, where the numerical values of Tm and Hf correspond to the relationship Tm?(0.2143*Hf)+79.643. An ethylenic polymer comprising at least one preparative TREF fraction that elutes at 95° C. or greater using a Preparative Temperature Rising Elution Fractionation method, where at least one preparative TREF fraction that elutes at 95° C. or greater has a gpcBR value greater than 0.05 and less than 5 as determined by gpcBR Branching Index by 3D-GPC, and where at least 5% of the ethylenic polymer elutes at a temperature of 95° C. or greater based upon the total weight of the ethylenic polymer.Type: ApplicationFiled: April 1, 2014Publication date: July 31, 2014Applicant: Dow Global Technologies LLCInventors: Mehmet Demirors, Teresa P. Karjala, Christopher R. Eddy, Lonnie G. Hazlitt, Pak-Meng Cham, Sarat Munjal, Wallace W. Yau
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Patent number: 8790453Abstract: The present invention relates to a gas purification system for removal of acidic gases from a gas stream. The system comprises an absorption unit arranged for receiving a gas stream and contacting it with a wash solution stream and a cooling unit in fluid communication with the absorption unit. The cooling unit receives wash solution enriched with acidic gases from a first withdrawal level of said absorption unit, cools the enriched wash solution, and provides cooled, enriched wash solution to a first reintroduction level of the absorption unit upstream of the withdrawal level. The ratio of withdrawn wash solution is 10-90% of the total wash solution stream.Type: GrantFiled: May 13, 2013Date of Patent: July 29, 2014Assignees: Alstom Technology Ltd, Dow Global Technologies LLCInventors: Barath Baburao, Craig Norman Schubert
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Patent number: 8791168Abstract: A viscoelastic polyurethane foam is the reaction product of at least one natural oil derived polyol and at least one aromatic compound having an average of more than one isocyanate group. A viscoelastic polyurethane foam has an air flow of at least about 0.5 l/s, wherein the foam is formed in the substantial absence of copolymer polyol and has not (yet) been mechanically reticulated and is preferably prepared using at least one natural oil derived polyol, more preferably in an amount of at least about 20 weight percent of the polyols used. A process of preparing a viscoelastic foam, comprises steps of (A) forming a reaction mixture including at least one polyol, at least one polyisocyanate, water, at least one catalyst wherein a the polyol comprises at least one natural oil derived polyol; and (B) subjecting the reaction mixture to conditions sufficient to result in the reaction mixture to expand and cure to form a viscoelastic polyurethane foam.Type: GrantFiled: September 7, 2007Date of Patent: July 29, 2014Assignees: Dow Global Technologies, Dow Brasil Sudeste Industrial LtdaInventors: David A. Babb, Bernard E. Obi, Robert E. O'Neill, Alvaro Pauperio-Neto
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Patent number: 8791205Abstract: The invention is related to compositions suitable for the fabrication of pipes, and other articles, with excellent performance properties. The invention provides a composition, comprising a blend, wherein said blend comprises a high molecular weight ethylene-based interpolymer and a low molecular weight ethylene-based interpolymer, and the high molecular weight ethylene-based interpolymer is a heterogeneously branched linear or a homogeneously branched linear ethylene-based interpolymer, and has a density from 0.922 g/cc to 0.929 g/cc, and a high load melt index (I21) from 0.2 g/10 min to 1.0 g/10 min, and the low molecular weight ethylene-based interpolymer is heterogeneously branched linear or a homogeneously branched linear ethylene-based interpolymer, and has a density from 0.940 g/cc to 0.955 g/cc, and a melt index (I2) from 6 g/10 min to 50 g/10 min. The blend has a single peak in an ATREF profile eluting above 30° C., and has a coefficient of viscosity average molecular weight (CMv) less than ?0.Type: GrantFiled: December 17, 2012Date of Patent: July 29, 2014Assignee: Dow Global Technologies LLCInventors: William J. Michie, Jr., Dane Chang, Lonnie G. Hazlitt, Stephanie M. Whited, Michael A. Kinnan, Anthony C. Neubauer, Thoi H. Ho
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Publication number: 20140205823Abstract: The present invention discloses a process for forming a biaxially oriented film. The process includes first selecting a polyolefin resin wherein said polyolefin resin comprises a linear low density polyethylene resin characterized by having from 9 to 35 weight percent of the total weight of linear low density polyethylene resin eluting from a CEF at a temperature greater than 97.0° C.; and further characterized by having a CDR of from 33 to 80 and a Mw Ratio of from 0.15 to 0.45. Next a film is formed from the polyolefin resin selected in the first step. Finally the film formed in the second step is oriented in a sequential manner. The films produced by this process are characterized by having an ultimate elongation at least 1.5 times greater in the MD as compared to the CD and the 2% secant modulus is a least 1.25 times greater in the CD as compared to the MD.Type: ApplicationFiled: August 26, 2011Publication date: July 24, 2014Applicant: Dow Global Technologies LLCInventors: Xiao Bing Yun, Rangjuan Cong, Jephrey Pan, Teresa P. Karjala
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Publication number: 20140206787Abstract: A polyglycerine initiated polyether polyol exhibiting a final functionality less than the nominal functionalities of the polyol initiator wherein the initiator is a polyglycerine formed by the polymerization of glycerin having an HEW less than about 35 and exhibiting a nominal functionality between 2 and 16 is provided. Also provided is a process for producing a polyfunctional polyurethane by the reaction of a mixture containing a polyol based on polyglycerine initiator wherein between 5 wt % and 100 wt % of the total initiator is polyglycerine having a nominal functionality between 2 and 16, at least one organic isocyanate, an amine and/or a metal salt catalyst, and optionally a blowing agent. Also provided is a flexible polyurethane foam comprising a reaction product of a polyglycerine or formed by the glycidol polymerization of glycerin, at least one organic isocyanate, and an amine catalyst.Type: ApplicationFiled: February 25, 2011Publication date: July 24, 2014Applicant: Dow Global Technologies LLCInventors: Francois M. Casati, Esther E. Quintanilla, Hanno R. Van der Wal, Timothy A. Morley, Peter Mullaert
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Publication number: 20140202696Abstract: Embodiments of the present disclosure include a method for treating a subterranean formation including injecting into the subterranean formation a fluid composition that includes a fluid and a deformable proppant having an interpenetrating polymer network formed from a first polymer component and a second polymer component.Type: ApplicationFiled: August 10, 2012Publication date: July 24, 2014Applicant: Dow Global Technologies LLCInventors: Liang Hong, Aaron Johnson, Marvin Tegen, Ari Kar, Timothy Dellinger
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Publication number: 20140206583Abstract: Embodiments of the present disclosure include a wellbore servicing fluid that includes a diluent, a hydrophobically modified polymer, and a base. The base provides the wellbore servicing fluid with a pH of greater than 10. The presence of the base in the wellbore servicing fluid helps to minimize changes in the viscosity of the wellbore servicing fluid when a deposit, or a kick, of salt is encountered during the drilling operation.Type: ApplicationFiled: September 6, 2012Publication date: July 24, 2014Applicant: DOW Global Technologies LLCInventors: Roger L. Kuhlman, Michael Poindexter, Cole Witham
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Patent number: 8785510Abstract: Prepare a closed-cell alkenyl aromatic polymer foam by an extrusion process using a blowing agent composition that contains at least 30 weight-percent of the chlorine-free hydrofluorocarbon blowing agent such that the foam has a density of 48 kilograms per cubic meter or less, contains more than 50 weight-percent styrene-acrylonitrile copolymer based on total polymer weight and at least eight weight-percent of a chlorine-free hydrofluorocarbon blowing agent that has a lower solubility in polystyrene than 1,1,2,2-tetrafluoroethane (HFC-134).Type: GrantFiled: March 13, 2008Date of Patent: July 22, 2014Assignee: Dow Global Technologies LLCInventors: Van-Chau Vo, Richard T. Fox, Warren H. Griffin, John Gordon-Duffy, Lawrence S. Hood, Roy E. Smith
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Patent number: 8784988Abstract: The instant invention generally provides polymer inorganic-particulate composite fiber comprising a molecularly self-assembling material and an inorganic-particulate, and a process of making and an article comprising the polymer inorganic-particulate composite fiber.Type: GrantFiled: November 20, 2009Date of Patent: July 22, 2014Assignee: Dow Global Technologies LLCInventors: Leonardo C. Lopez, Scott T. Matteucci
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Patent number: 8784694Abstract: The invention relates to a lithium manganese phosphate/carbon nanocomposite as cathode material for rechargeable electrochemical cells with the general formula LixMnyM1-y(PO4)z/C where M is at least one other metal such as Fe, Ni, Co, Cr, V, Mg, Ca, Al, B, Zn, Cu, Nb, Ti, Zr, La, Ce, Y, x=0.8-1.1, y=0.5-1.0, 0.9<z<1.1, with a carbon content of 0.5 to 20% by weight, characterized by the fact that it is obtained by milling of suitable precursors of LixMnyM1-y(PO4)Z with electro-conductive carbon black having a specific surface area of at least 80 m2/g or with graphite having a specific surface area of at least 9.5 m2/g or with activated carbon having a specific surface area of at least 200 m2/g. The invention also concerns a process for manufacturing said nanocomposite.Type: GrantFiled: April 14, 2009Date of Patent: July 22, 2014Assignee: Dow Global Technologies LLCInventor: Andreas Kay
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Patent number: 8785551Abstract: A composition for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first metal complex olefin polymerization catalyst, (B) a second metal complex olefin polymerization catalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by catalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent.Type: GrantFiled: December 8, 2010Date of Patent: July 22, 2014Assignee: Dow Global Technologies LLCInventors: Daniel J. Arriola, Edmund M. Carnahan, Yunwa Wilson Cheung, David D. Devore, David D. Graf, Phillip D. Hustad, Roger L. Kuhlman, Colin Li Pi Shan, Benjamin C. Poon, Gordon R. Roof, James C. Stevens, Pamela J. Stirn, Timothy T. Wenzel
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Patent number: 8784996Abstract: Multimodal polyethylene compositions are provided. Extrusion compositions including the multimodal polyethylene are provided. The extrusion composition further include a high pressure low density polyethylene and optionally other additives and/or polyethylenes. Extruded articles made from the polyethylene extrusion compositions are also provided.Type: GrantFiled: November 24, 2010Date of Patent: July 22, 2014Assignee: Dow Global Technologies LLCInventors: Thomas Oswald, Wayde V. Konze, Mehmet Demirors
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Patent number: 8785531Abstract: A dispersion and methods for forming a dispersion that includes a catalytic linear multi-block olefin interpolymer, and at least one dispersing agent, wherein the catalytic linear multi-block olefin interpolymer includes at least one hard segment and at least one soft segment is disclosed. Various applications of the dispersion are also disclosed.Type: GrantFiled: July 2, 2007Date of Patent: July 22, 2014Assignee: Dow Global Technologies LLCInventors: Mark W. VanSumeren, Ronald Wevers, Charles F. Diehl, Gary M. Strandburg, Brad Maurice Moncla, Kevin D. Maak
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Patent number: 8785554Abstract: Embodiments of the invention provide crystalline block composites and their use as compatibilizers. The crystalline block composites comprise i) a crystalline ethylene based polymer; ii) a crystalline alpha-olefin based polymer and iii) a block copolymer comprising a crystalline ethylene block and a crystalline alpha-olefin block.Type: GrantFiled: June 21, 2011Date of Patent: July 22, 2014Assignee: Dow Global Technologies LLCInventors: Colin Li Pi Shan, Kim L. Walton, Gary R. Marchand, Edmund M. Carnahan, Eddy I. Garcia-Meitin, Thomas Karjala
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Patent number: D710298Type: GrantFiled: December 18, 2013Date of Patent: August 5, 2014Assignee: Dow Global Technologies LLCInventors: Cai Jie, Yong Jing Guo, Zhiqing Lin