Patents Assigned to Dow Global Technologies
  • Patent number: 9555378
    Abstract: A thin film composite polyamide membrane comprising a porous support and a thin film polyamide layer characterized by possessing an azo (—N?N—) content of from 0.75% to 0.95%, as measured by pyrolysis gas chromatography.
    Type: Grant
    Filed: December 15, 2014
    Date of Patent: January 31, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Abhishek Roy, Robert C. Cieslinski, Bruce B. Gerhart, David D. Hawn, Mou Paul, XiaoHua Qiu, Mark A. Rickard, Steven Rosenberg, Ian A. Tomlinson, Chengli Zu
  • Patent number: 9556394
    Abstract: A lubricant composition comprising (a) from 0.1 to 10 percent by weight of one or more polyalkylene glycols (PAG); and (2) one or more ester base oils selected from the group of natural esters, synthetic esters and combinations thereof; wherein the one or more PAG has a molecular weight in the range 1500 to 5000 g/mole, comprises from 10 to 40 percent by weight of units derived from ethylene oxide and from 90 to 60 percent by weight of units derived from propylene oxide; and wherein the one or more PAGs are in the form of block copolymer, reverse block copolymer or combinations thereof is provided. Also provided is a method of enhancing the hydrolytic stability of an ester base oil.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: January 31, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Nadjet Khelidj, Martin R. Greaves, Evelyn A. Zaugg-Hoozemans
  • Patent number: 9550856
    Abstract: Embodiments of the invention include a polymer polyol dispersions. The polymer dispersions include a reaction product of a reaction system, where the reaction system includes: at least one polyol, at least one phosphorus based flame retardant having at least one active hydrogen attached to a nitrogen or oxygen atom, at least one of a co-reactant having an equivalent weight of up to 400 and at least one active hydrogen attached to a nitrogen or oxygen atom, at least one catalyst, and at least one polyisocyanate.
    Type: Grant
    Filed: December 17, 2012
    Date of Patent: January 24, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Paul Cookson, Daniel Hoehener, Francois M. Casati
  • Patent number: 9546256
    Abstract: A polymeric foam article with a polymer matrix defining multiple cells therein has a polymer component with a first polymer that is a polyhedral oligomeric silsesquioxane grafted polymer that has a weight-average molecular weight of two kilograms per mole or higher and 200 kilograms per mole or lower.
    Type: Grant
    Filed: November 11, 2013
    Date of Patent: January 17, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Bruce A. King, Kshitish A. Patankar, Stéphane Costeux, Hyun K. Jeon
  • Patent number: 9545606
    Abstract: Embodiments of the present disclosure include a process and a system for solubilizing a surfactant in supercritical carbon dioxide that include providing a turbulent flow of the supercritical carbon dioxide into which the surfactant solubilizes and injecting the surfactant into the turbulent flow of the supercritical carbon dioxide to achieve a Jet Mixing Number of 0.01 to 1.0. In one or more embodiments, a pump provides turbulent flow to supercritical carbon dioxide moving through at least a portion of piping, and an injector associated with the piping conveys the surfactant through surfaces defining a port in the injector to inject the surfactant into the turbulent flow of the supercritical carbon dioxide so as to achieve the Jet Mixing Number of 0.01 to 1.0.
    Type: Grant
    Filed: June 3, 2011
    Date of Patent: January 17, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Michael D. Cloeter, Raymond M. Jones
  • Patent number: 9547246
    Abstract: A compound that includes an aqueous dispersion, wherein the dispersion includes a thermoplastic resin and at least one stabilizing agent, and at least one selected from the group consisting of a colorant and a magnetic pigment, wherein the dispersion has an average volume diameter particle size from about 0.05 to about 10 microns is described.
    Type: Grant
    Filed: February 25, 2010
    Date of Patent: January 17, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: John Klier, Richard D. Varjian, Alastair S. Hill, Timothy J. Young, Richard A. Lundgard, Michael J. Johnson, Qichun Wan, Matthew J. Kalinowski, Mechelle A. Churchfield, Gary M. Strandburg, David J. Magley
  • Publication number: 20170002162
    Abstract: Prepare nanofoam by (a) providing an aqueous solution of a flame retardant dissolved in an aqueous solvent, wherein the flame retardant is a solid at 23° C. and 101 kiloPascals pressure when in neat form; (b) providing a fluid polymer composition selected from a solution of polymer dissolved in a water-miscible solvent or a latex of polymer particles in a continuous aqueous phase; (c) mixing the aqueous solution of flame retardant with the fluid polymer composition to form a mixture; (d) removing water and, if present, solvent from the mixture to produce a polymeric composition having less than 74 weight-percent flame retardant based on total polymeric composition weight; (e) compound the polymeric composition with a matrix polymer to form a matrix polymer composition; and (f) foam the matrix polymer composition into nanofoam having a porosity of at least 60 percent.
    Type: Application
    Filed: March 18, 2015
    Publication date: January 5, 2017
    Applicant: Dow Global Technologies LLC
    Inventors: Liang Chen, Anne M. Kelly-Rowley, Shana P. Bunker, Stéphane Costeux
  • Publication number: 20170002296
    Abstract: A process for scouring textile materials is provided. The process comprising contacting the textile material with scouring textile materials, comprising contacting the textile materials with a composition comprising an alkyl alkoxylate sulfate of formula I, a nonionic alkyl alkoxylate of formula II, and water.
    Type: Application
    Filed: December 11, 2013
    Publication date: January 5, 2017
    Applicant: Dow Global Technologies LLC
    Inventors: Cheng Shen, Jing Ji, Jianhai Mu, Xiaohua Wang
  • Patent number: 9533262
    Abstract: A thin film composite membrane including a thin film polyamide layer positioned between a porous support and an outer coating, and a humectant; wherein the membrane has an A-value of at least 8 l/m2 hr/bar when tested at 25 l/m2 hr with pure water at 25° C. for one hour, and wherein the outer coating comprises a dissolvable cellulose polymer provided at coverage of at least 10 mg/m2 that substantially dissolves from the membrane after one hour of continuous cross-flow of water at 25 l/m2 hr and 25° C.
    Type: Grant
    Filed: February 28, 2014
    Date of Patent: January 3, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Thomas N. Haynes, Allyn R. Marsh, III
  • Patent number: 9534070
    Abstract: A process to for polymerizing ethylene in the presence of a metal complex of Structure I, as described herein, which comprises a metal selected from one of Groups 3-6, which is bonded to aryl groups via oxygen and two Z groups. The aryl groups comprise substituents R1a, R1aa, through R15a, R15aa, which are selected from hydrogen, halo, hydrocarbyl, trihydrocarbylsilyl, trihydrocarbylsilylhydrocarbyl, —O(R), —N(R?R?), —S(R??), or —P(RIVRV); and each R, R?, R?, R??, RIV and Rv is described herein. Two X groups are also bonded to the metal, and each is halo, hydrocarbyl, or trihydrocarbylsilyl group. Each Z is O, S, N(C1-C40)hydrocarbyl, or P(C1-C40)hydrocarbyl. Groups Y and L form part of a bridge between the Z groups. Y is halo, hydrocarbyl, trihydrocarbylsilyl, trihydrocarbylsilylhydrocarbyl, —O(RVI), —N(RVIIRVIII), —S(RIX), or —P(RXRXI); and each RVI, RVII, RVIII, RIX, RX and RXI is described herein. L is (C1-C40)hydrocarbylene or (C1-C40)heterohydrocarbylene. The invention also provides Structure I.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: January 3, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Liam P. Spencer, Jennifer M. Kirschner
  • Patent number: 9534064
    Abstract: A high pressure polymerization process to form an ethylene-based polymer comprises the steps of: A. Injecting a first feed comprising a chain transfer agent system (CTA system) and ethylene into a first autoclave reactor zone operating at polymerization conditions to produce a first zone reaction product, the CTA system of the first reactor zone having a transfer activity Z1; and B. (1) Transferring at least part of the first zone reaction product to a second reactor zone selected from a second autoclave reactor zone or a tubular reactor zone and operating at polymerization conditions, and, optionally, (2) freshly injecting, a second feed into the second reactor zone to produce a second zone reaction product, with the proviso that at least one of the first reactor zone product and the freshly injected feed comprises a CTA system with a transfer activity of Z2; and with the proviso that the ratio of Z1:Z2 is greater than 1.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: January 3, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Otto J. Berbee, Cornelis F. J. den Doelder, Cornelis J. Hosman
  • Patent number: 9530537
    Abstract: The present disclosure is directed to a halogen-free composition and conductors coated with the halogen-free composition. The halogen-free composition includes (A) from 70 wt % to 85 wt % of a polymeric component and (B) from 30 wt % to 15 wt % of a halogen-free flame retardant. The polymeric component (A) includes (i) a propylene homopolymer or a mini-random copolymer with greater than 40% crystallinity and (ii) an ethylene/a-olefin copolymer. The halogen-free composition has a density less than 1.15 g/cc. The halogen-free composition also has a scrape abrasion resistance of greater than or equal to 350 cycles as measured in accordance with ISO 6722.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: December 27, 2016
    Assignee: Dow Global Technologies LLC
    Inventors: Caroline H. Laufer, Lin Fu, Thomas S. Lin, Matthew T. Bishop, Hamed Lakrout
  • Patent number: 9527091
    Abstract: A hydroclone comprising: a tank (12) including a fluid inlet (14), a filtered fluid outlet (16) and an inner peripheral wall (22) enclosing at least one chamber (24); a filter assembly (26) located within the chamber (24) and comprising a circular filter screen (27) centered about an axis (X); and a cleaning assembly (48) comprising at least one cleaning member (52) biased against and adapted to rotate about the periphery (29) of the filter screen (27); and at least one of: a) the filter screen (27) is reversibly deformable a radial distance (D) of from 0.1 to 10 times the average pore size by the cleaning member (52) biased against the periphery (29) of the filter screen (27); and b) a compressive member (58) providing a continuous radially inward force that biases the cleaning member (52) against the periphery (29) of the filter screen (27).
    Type: Grant
    Filed: December 3, 2014
    Date of Patent: December 27, 2016
    Assignee: Dow Global Technologies LLC
    Inventors: Gerald Drouin Corcoran, Rashi Tiwari, Chad V. Schuette, Peter J. Schulz, Mark O. Labonville, Jim M. Grider, Jr.
  • Patent number: 9527971
    Abstract: The invention provides a composition comprising at least the following: A) an anhydride and/or carboxylic acid functionalized ethylene/alpha-olefin interpolymer having the following properties: i) a melt viscosity (177° C.) less than, or equal to, 200,000 cP, ii) a density from 0.855 to 0.900 g/cc; B) an ethylene-based polymer; and C) a polar polymer.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: December 27, 2016
    Assignee: Dow Global Technologies LLC
    Inventors: Didem Oner-Deliormanli, Brian W. Walther, Rajen M. Patel, Gregory Bunker, John W. Garnett, IV
  • Patent number: 9527941
    Abstract: The instant invention provides a polymerization process for producing ethylene based polymers.
    Type: Grant
    Filed: December 10, 2013
    Date of Patent: December 27, 2016
    Assignee: Dow Global Technologies LLC
    Inventors: Mehmet Demirors, Ruth Figueroa, Jerzy Klosin, Pulikkottil J. Thomas, Sylvie Desjardins, Mridula Kapur, Philip P. Fontaine
  • Patent number: 9527260
    Abstract: The present invention provides a method of forming a coating on a porous sheet, comprising the steps of: providing a porous sheet and a dispersion comprising at least one polyolefin; applying said dispersion on at least one surface of said sheet; and optionally, heating said sheet to a temperature above the melting temperature of said at least one polyolefin. Moreover, the present invention relates to methods for manufacturing single and two ply sacks and the use of at least one polyolefin as a water vapor barrier coating on a material suitable for a ply of a sack.
    Type: Grant
    Filed: October 2, 2013
    Date of Patent: December 27, 2016
    Assignee: Dow Global Technologies LLC
    Inventors: Grete Avitsland, Anna-Karin Magnusson, Lisa-Lotte Jaktlund Enstrom
  • Patent number: 9527940
    Abstract: The instant invention provides a polymerization process for producing ethylene based polymers.
    Type: Grant
    Filed: December 10, 2013
    Date of Patent: December 27, 2016
    Assignee: Dow Global Technologies LLC
    Inventors: Mehmet Demirors, Ruth Figueroa, Jerzy Klosin, Pulikkottil J. Thomas, Sylvie Desjardins, Mridula Kapur, Philip P. Fontaine
  • Patent number: 9528023
    Abstract: The present invention relates to a stable aqueous dispersion of multiphase amphoteric polymer particles comprising a crosslinked polymer phase comprising structural units of a phosphorus acid monomer, a carboxylic acid monomer, a multiethylenically unsaturated monomer, and an ethylenically unsaturated nonionic monomer; and a second polymer phase comprising a carboxylic acid monomer and an ethylenically unsaturated nonionic monomer. The present invention also relates to composites of the particles and pigment particles such as TiO2. The composition is useful for preparing dried coatings with improved hiding.
    Type: Grant
    Filed: December 11, 2013
    Date of Patent: December 27, 2016
    Assignees: Rohm and Haas Company, Dow Global Technologies LLC
    Inventors: James C. Bohling, Ward Thomas Brown, Arnold S. Brownell, Paul Clark, Thomas Glenn Madle
  • Patent number: 9527974
    Abstract: The invention provides a composition comprising the following: A) a first polymer selected from the following: i) an ethylene/?-olefin interpolymer; or ii) an ethylene/?-olefin multi-block interpolymer; B) a second polymer selected from the following: iii) an ethylene/?-olefin interpolymer; iv) an ethylene/?-olefin/non-conjugated diene interpolymer; or v) an ethylene/?-olefin multi-block interpolymer; and wherein the first polymer has a density from 0.880 to 0.910 g/cc, and the second polymer has a density less than, or equal to, 0.867 g/cc, and wherein the weight ratio of the first polymer to the second polymer is from 0.5 to 9.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: December 27, 2016
    Assignee: Dow Global Technologies LLC
    Inventor: Bee Tin Low
  • Patent number: 9527960
    Abstract: A process includes: (a) providing a powder containing hydrophilic particulates and hydrocarbon liquid; (b) providing polyolefin beads; and (c) forming a combination by combining the polyolefin beads with the powder.
    Type: Grant
    Filed: February 28, 2014
    Date of Patent: December 27, 2016
    Assignee: Dow Global Technologies LLC
    Inventors: Robert S. Landon, Charles M. Vanek