Patents Assigned to Dow Global Technologies
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Patent number: 8661648Abstract: The present invention is directed toward spiral wound modules along with methods for making and using the same. Several embodiments are described including methods for making spiral wound filtration modules using membrane sheet provided from a roll, wherein the membrane sheet is unrolled and assembled in a direction parallel to the permeate collection tube of the module.Type: GrantFiled: February 23, 2011Date of Patent: March 4, 2014Assignee: Dow Global Technologies LLCInventors: Steven D. Jons, Allyn R. Marsh, III
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Patent number: 8664341Abstract: Embodiments include vinylbenzyl ethers of polycyclopentadiene polyphenol that can be obtained by reacting a polycyclopentadiene polyphenol with a vinylbenzyl halide. Embodiments also include thermosettable compositions including the vinylbenzyl ethers of a polycyclopentadiene polyphenol and products obtained by curing the thermosettable compositions. Formula (I).Type: GrantFiled: April 21, 2011Date of Patent: March 4, 2014Assignee: Dow Global Technologies, LLCInventor: Robert E. Hefner, Jr.
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Patent number: 8661794Abstract: An improved Diesel exhaust filter element of the type having a rigid porous wall portion formed of an acicular ceramic (such as acicular mullite), the porous wall portion having a first side and a second side, the porous wall portion being coated with a precious metal catalyst and a Nox absorbent, such that when exhaust gas from a Diesel engine is flowed through the rigid porous wall from the first side to the second side, the exhaust gas containing excess oxygen, Nox and soot, the soot in the exhaust gas in trapped within the rigid porous wall and catalytically oxidized to carbon dioxide, the NO is catalytically oxidized to NO2, which NO2 is then absorbed by the Nox absorbent, and such that when the exhaust gas is caused to contain excess hydrocarbon and carbon monoxide, then the Nox absorbent is regenerated and the remaining hydrocarbon and carbon monoxide are catalytically converted to nitrogen and carbon dioxide.Type: GrantFiled: August 27, 2004Date of Patent: March 4, 2014Assignee: Dow Global Technologies LLCInventors: Cheng G. Li, Robin Ziebarth, Martin C. Cornell, Steven B. Swatzmiller
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Patent number: 8664337Abstract: The present invention is a film having a thickness greater than 100 microns comprising from 10 to 100 percent by weight of a polyethylene polymer made by the process of a) selecting a target polyethylene resin having a density, as determined according to ASTM D792, in the range of from 0.90 g/cm3 to 0.955 g/cm3, and a melt index, as determined according to ASTM D1238(2.16 kg, 190 C), in the range of from 0.01 g/10 min to 10 g/10 min; b) reacting said target polyethylene with an alkoxy amine derivative in an amount less than 900 parts derivative per million parts by weight of total polyethylene resin under conditions sufficient to increase the melt strength of the target polyethylene resin; and c) forming a thick film from the modified target resin. The present films include those which can achieve similar processability as those containing unmodified linear polyethylene despite having at least 10% less LDPE resins in the formulation.Type: GrantFiled: January 11, 2011Date of Patent: March 4, 2014Assignee: Dow Global Technologies LLC and Dow Brasil S.A.Inventors: Nicolas Mazzola, Jorge Gomes, Maria Pollard, Michael Turner
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Publication number: 20140054223Abstract: A process comprising contacting deionized water with one or more Strecker sulfonation reaction products of one or more halogenated alkyl ethers in the presence of sulfite, wherein the one or more Strecker sulfonation reaction products each comprise one or more inorganic salts on a dry basis and one or more surfactant components, form a filtration mixture; loading the filtration mixture into a high pressure filtration system containing a membrane having a membrane molecular weight cutoff allowing preferential passage of the inorganic salts, for example, of greater than or equal to 200 Daltons; wherein the high pressure filtration system is operated at a pressure greater than ambient pressure and is configured to cause crossflow of the filtration mixture along a surface of the membrane resulting in a permeate solution which substantially passes through the membrane and a retentate solution which substantially does not pass through the membrane; wherein the permeate comprises less than or equal to 15 weight percType: ApplicationFiled: December 5, 2011Publication date: February 27, 2014Applicant: Dow Global Technologies LLCInventors: Mark R. Smit, Edward D. Daugs, Raymond M. Collins
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Publication number: 20140058035Abstract: Embodiments of the invention include a phosphorus containing flame retardant which may be the reaction product of a reaction mixture where the reaction mixture includes at least one active hydrogen-containing compound and at least one phosphorus containing compound. The at least one active hydrogen-containing compound is selected from the group of a first polyol having a hydroxyl functionality of at least 3, a polyamine having an amine functionality of at least 2, and an amino alcohol having a combined amine and hydroxyl functionality of at least 2.Type: ApplicationFiled: March 22, 2012Publication date: February 27, 2014Applicant: Dow Global Technologies LLCInventors: Yudong Qi, Xiangyang Tai
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Publication number: 20140058034Abstract: A method for forming a heat sealable coating on a substrate, wherein the substrate is formed from at least one oriented polymer is shown. The method includes depositing an aqueous polymer dispersion on the substrate, wherein the aqueous polymer dispersion includes (A) at least one thermoplastic resin; (B) at least one dispersing agent; and (C) water; wherein the dispersion has a pH of less than 12, and drying the dispersion to form a first layer.Type: ApplicationFiled: October 31, 2013Publication date: February 27, 2014Applicant: Dow Global Technologies LLCInventors: Brad M. Moncla, Sarah T. Eckersley, Ralph G. Czerepinksi, Charles F. Diehl, Matthew J. Kalinowski, Dale C. Schmidt
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Patent number: 8658077Abstract: Oligoamines, such as a compound of the formula H2N(CH2CH2NH)nH in which n is an integer of 2-10, crosslink polymers containing carboxyl functionality unexpectedly faster than conventional diamines such as 1,6-diaminohexane. The combination of an ethylene-acrylic acid copolymer with an oligoamine of this type is useful for, among other things, the production of crosslinked wire and cable insulation.Type: GrantFiled: August 5, 2009Date of Patent: February 25, 2014Assignee: Dow Global Technologies LLCInventors: Bharat I. Chaudhary, Eric P. Wasserman
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Patent number: 8653191Abstract: The invention provides a composition comprising at least the following: an olefin multi-block interpolymer, a functionalized olefin-based polymer, and a thermoplastic polyurethane. The invention also provides for articles prepared from the inventive compositions and for methods for making the same.Type: GrantFiled: June 30, 2008Date of Patent: February 18, 2014Assignee: Dow Global Technologies LLCInventors: Patricia Ansems, Ashish Batra
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Patent number: 8653196Abstract: The present invention is a method for increasing the melt strength of a polyethylene resin comprising reacting the polyethylene resin with an alkoxy amine derivative corresponding to the formula: (R1)(R2)N—O—R3 where R1 and R2 are each independently of one another, hydrogen, C4-C42 alkyl or C4-C42 aryl or substituted hydrocarbon groups comprising O and/or N, and where R1 and R2 may form a ring structure together; and where R3 is hydrogen, a hyrdrocarbon or a substituted hydrocarbon group comprising O and/or N. Preferred groups for R3 include —C1-C19alkyl; —C6-C10aryl; —C2-C19akenyl; —O—C1-C19alkyl; —O—C6-C10aryl; —NH—C1-C19alkyl; —NH—C6-C10aryl; —N—(C1-C19alkyl)2. R3 most preferably contains an acyl group.Type: GrantFiled: January 11, 2010Date of Patent: February 18, 2014Assignee: Dow Global Technologies, LLCInventors: Nicolas C. Mazzola, Mariana D. Mancini, Jorge C. Gomes
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Patent number: 8652624Abstract: The invention provides an article comprising a first layer and a second layer, and wherein the first layer is formed from a first composition comprising an ethylene/?-olefin/diene interpolymer, an isoprene rubber (synthetic), a natural rubber, a butadiene rubber, a styrene butadiene rubber, a chloroprene rubber, a nitrile rubber, a hydrogenated nitrile rubber, a chlorinated polyethylene, a chlorosulfonated polyethylene, an ethylene/propylene rubber, an ethylene/diene copolymer, a fluoro rubber, a polyurethane, a silicone rubber, or a combination thereof; and wherein the second layer is formed from a second composition comprising a butyl rubber, a halobutyl rubber, polyvinylidene chloride, a brominated polymer derived from a copolymer of isobutylene and p-methyl styrene, a nitrile rubber, a chloroprene rubber, a chlorosulfonated polyethylene, a chlorinated polyethylene, a polyurethane, a fluoro rubber, or a combination thereof.Type: GrantFiled: November 10, 2008Date of Patent: February 18, 2014Assignee: Dow Global Technologies LLCInventors: Muthu Subramanian, Jinder Jow, Stephen Y. Cheng, Thiam Aik Lim
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Patent number: 8652568Abstract: The instant invention is a coating system, a coating composition, a coating layer, a coated substrate, a method for producing a coating composition, a method for forming a coating layer, a method for making a coated substrate, and a method for healing a coated substrate. The coating system according to the present invention comprises (a) one or more natural oil derived polyols having an average of 3 or more hydroxyl groups per molecule, a number average molecular weight in the range of 300 to 3000 Daltons, a Tg in the range of from less than 0° C.; and (b) one or more polyisocyanates.Type: GrantFiled: September 7, 2011Date of Patent: February 18, 2014Assignee: Dow Global Technologies LLCInventors: Sudhakar Balijepalli, Ray E. Drumright, Sarah T. Eckersley, Brad E. Elwood, Paul Foley, Yanziang Li, Kumar Nanjundiah
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Patent number: 8653174Abstract: The present invention provides a multicomponent composition that is substantially isocyanate-free and comprises a polycarbamate as a first component and a polyaldehyde or an acetal or hemiacetal thereof as a second component and further comprises an effective amount of a triggering agent such that the first and second components to cure at a temperature of from 0C to less than 80C to form a crosslinked polyurethane. The multicomponent composition forms an ambient temperature curable composition when all of its components are combined that has a pH of 7.0 or less. The present invention also provides processes crosslinked polyurethanes, and the crosslinked polyurethanes prepared by the processes.Type: GrantFiled: June 15, 2011Date of Patent: February 18, 2014Assignee: Dow Global Technologies LLCInventors: Jeffrey R. Anderson, John N. Argyropoulos, Debkumar Bhattacharjee, Paul Foley, Gary E. Spilman, Huiqing Zhang
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Publication number: 20140045944Abstract: A synergistic antimicrobial composition containing 3-iodo-2-propynyl-butylcarbamate and fluometuron.Type: ApplicationFiled: October 18, 2013Publication date: February 13, 2014Applicant: Dow Global Technologies LLCInventors: Emerentiana Sianawati, Sangeeta Ganguly
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Publication number: 20140041365Abstract: A fuel reforming system, process, and device including a catalytic chamber and a heating chamber. The catalytic chamber, further including a fluid fuel intake and a gaseous fluid exit port and at least one heat exchanger for distributing heat between the heating chamber and the catalytic chamber. The catalytic chamber further including a screen member having a surface, wherein the member includes a catalytic deposit made from a combination of platinum and rhodium alloy. A catalytic conversion of converting liquid fuel to gaseous fuel occurs within the catalytic chamber. Fuel exits the fuel reforming device through a gaseous fluid exit port. In the process of phase change from liquid to gaseous phase, there is no change of chemical composition and C8H18 remains stable throughout, except for an increase in Enthalpy (heat content) per mol.Type: ApplicationFiled: February 1, 2012Publication date: February 13, 2014Applicant: Dow Global Technologies LLCInventors: Teodora Doneva, Stephen H. Cree
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Publication number: 20140044906Abstract: Disclosed are multilayer film structures having annular profiles, and methods and apparatus of making the structures disclosed. The annular multilayer articles have a uniform thickness, at least four layers and comprise overlapped and non-overlapped circumferential areas; wherein the layer structure of the non-overlapped area is doubled in the overlapped layer. A method of making the structure includes providing a multilayer flow stream with at least four layers of thermoplastic resinous materials; feeding the multilayer flow stream to a distribution manifold of an annular die to form an annular multilayer flow stream; and removing the annular multilayer flow stream from the annular die to form the annular multilayer structure.Type: ApplicationFiled: October 18, 2013Publication date: February 13, 2014Applicant: Dow Global Technologies Inc.Inventors: Joseph Dooley, Jeffrey M. Robacki, Mark A. Barger, Robert E. Wrisley, Sam l. Crabtree, Calvin L. Pavlicek
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Patent number: 8646616Abstract: Composite membranes including a coating comprising a combination of polyalkylene oxide and imidazol compounds along with various methods for making and using the same. In one embodiment, the composite membrane comprises a thin film polyamide layer including a coating of a reaction product of a polyalkylene oxide compound and an imidazol compound. In another embodiment, the coating comprises a polymer including alkylene oxide repeating units and one or more imidazol functional groups.Type: GrantFiled: February 23, 2011Date of Patent: February 11, 2014Assignee: Dow Global Technologies LLCInventors: William E. Mickols, Chunming Zhang, Christopher T. Hamilton
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Publication number: 20140033920Abstract: Described is an enhanced partially-aminated metal-organic framework comprising, or prepared from, metal cations and a synergistically effective ratio of a multi-carboxylic acid and an amino-substituted derivative of the multi-carboxylic acid, or the acceptable salts thereof, or any combination thereof; a manufactured article comprising the enhanced partially-aminated metal-organic framework; a method of preparing the enhanced partially-aminated metal-organic framework, and a method of using the enhanced partially-aminated metal-organic framework for separating carbon dioxide gas or other acid gas from an ad rem gas mixture.Type: ApplicationFiled: February 20, 2012Publication date: February 6, 2014Applicant: Dow Global Technologies LLCInventors: Michael P. Tate, Scott T. Matteucci, Shawn D. Feist, Dean M. Millar
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Patent number: 8641846Abstract: Seal a fenestration opening that contains a gap having a width of greater than 1.6 millimeters by providing a dispersion having the following components dispersed in an aqueous phase: (i) a film-forming polymer binder having a glass transition temperature in a range of ?100 degrees Celsius to ?20 degrees Celsius; (ii) a shear thinning rheology modifier at a concentration sufficient to cause the dispersion to have a Brookfield viscosity greater than 300,000 centiPoise as measured using spindle #3 at 0.3 revolutions per minute; and (iii) optionally, a filler; and then spraying the dispersion directly onto the building elements within the fenestration opening so as to form a continuous coating over the building elements and gap within the fenestration opening; wherein there is an absence of reinforcement or sealing material filling or spanning the gap prior to spraying the dispersion over the gap.Type: GrantFiled: July 26, 2012Date of Patent: February 4, 2014Assignees: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Gary D. Parsons, Michael D. Bowe, Janah C. Szewczyk
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Patent number: 8641816Abstract: Provided are new functionalized surfactants and methods of their preparation and use. The surfactants are compounds of formula I: wherein R1, R2, and R3 are as defined herein.Type: GrantFiled: October 21, 2010Date of Patent: February 4, 2014Assignee: Dow Global Technologies LLCInventors: Matthias S. Ober, Edward D. Daugs, Wanglin Yu, Cynthia L. Rand