Abstract: A metallized optical fiber comprises: A) An optical fiber, and B) A conductive metal over and in contact with the optical fiber and having a thickness that is at least 0.15 times the thickness of the optical fiber. The metallized optical fiber can form a component of a hybrid optical fiber/coaxial cable, and it provides good protection against interference with the data signal traveling along the optical fiber from electrical current from an adjacent or near-by electrical conductor.
Type:
Grant
Filed:
September 5, 2013
Date of Patent:
November 12, 2019
Assignee:
Dow Global Technologies LLC
Inventors:
Lin Fu, Anny Flory, Damien Polanksy, Chester J. Kmiec
Abstract: The present disclosure provides a composition. In an embodiment, the composition includes A) an ethylene/acrylate interpolymer or an ethylene/acetate interpolymer; B) an ethylene/?-olefin multi-block copolymer; and C) a flame retardant. In an embodiment, the ethylene/acrylate interpolymer is a functionalized ethylene/acrylate interpolymer. The present composition exhibits improved dirt pick-up resistance.
Type:
Grant
Filed:
June 20, 2016
Date of Patent:
November 12, 2019
Assignee:
Dow Global Technologies LLC
Inventors:
Varun Thakur, Stefan Ultsch, Jouko Vyoerykkae, Jozef J. Van Dun, Eva-Maria Kupsch
Abstract: The present disclosure provides a multilayer film. In an embodiment, a multilayer film is provided and includes: a layer (A) comprising an olefin-based polymer; a layer (B) that is a tie layer comprising a sulfonamide derivative grafted olefin-based polymer (SD-g-PO); and a layer (C) comprising a polar component.
Type:
Grant
Filed:
December 30, 2015
Date of Patent:
November 12, 2019
Assignee:
Dow Global Technologies LLC
Inventors:
Jerzy Klosin, Ahmad Madkour, Adriana I. Moncada, Brian W. Walther
Abstract: The invention provides a film comprising at least two layers, a first layer and a second layer; and wherein the first layer is formed from a first composition comprising a polyester and/or a polylactic acid; and wherein the second layer is formed from a second composition comprising at least the following: A) a functionalized ethylene-based polymer, and B) at least one ethylene/alkylacrylate copolymer.
Type:
Grant
Filed:
March 15, 2013
Date of Patent:
November 12, 2019
Assignees:
Dow Global Technologies LLC, Dow Brasil Indú´stria e Comércio de Produtos Químicios Ltda.
Abstract: A composition for use in jacketing or insulation materials that has from 42 to 54 percent by weight of a halogen-free flame retardant, from 26 to 46 percent by weight of an ethylene alkyl acrylate copolymer, such as ethylene ethyl acrylate, optionally from 0 to 15 percent by weight of an ethylene-based polymer, optionally from 0 to 12 percent by weight of a coupling agent, and optionally from 0 to 1 percent by weight of an antioxidant. A cable insulation layer, a cable protective outer jacket, a cable core sheath, and cable may include the jacketing material composition.
Type:
Grant
Filed:
January 31, 2017
Date of Patent:
November 12, 2019
Assignee:
Dow Global Technologies LLC
Inventors:
Yichi Zhang, Marcio Teixeira Alves, Bharat I. Chaudhary
Abstract: A process to form an ethylene-based polymer comprises polymerizing a reaction mixture comprising ethylene, at least one monomeric chain transfer agent, and at least one chain transfer agent system comprising at least one chain transfer agent (CTA) in the presence of at least one free-radical initiator and in a reactor configuration comprising at least two reaction zones, reaction zone 1 and reaction zone i (i?2), wherein the reaction zone i is downstream from reaction zone 1. The ratio of “the activity of the CTA system of the feed to the first reaction zone” to the “activity of the CTA system of the cumulative feed to the reaction zone i,” (Z1/Zi), is less than or equal to (0.8?0.2*log(Cs)), wherein Cs is from 0.0001 to 10.
Type:
Grant
Filed:
June 24, 2016
Date of Patent:
November 5, 2019
Assignee:
Dow Global Technologies LLC
Inventors:
Otto J. Berbee, Stefan Hinrichs, Sean W. Ewart, John O. Osby
Abstract: A process includes (a) injecting a steam composition into a subterranean location containing heavy hydrocarbons, preferably bitumen, wherein the steam composition comprises (i) steam and (ii) a hydroxyalkyl ammonium carboxylate and (b) recovering the heavy hydrocarbon from the subterranean location to above the ground. The process is preferably a cyclic steam stimulation (CSS) process, a steam assisted gravity drainage (SAGD), or a combination thereof.
Abstract: A process for producing a polyolefin comprising contacting one or more olefinic monomers in the presence of one or more catalysts, wherein one or more of the catalysts has the following structure: wherein M is a Group III or Lanthanide metal that is in a +3 formal oxidation state and wherein the contacting occurs in the absence of any activator is provided.
Abstract: The invention provides a process to form an ethylene-based polymer, and said ethylene-based polymer, said process comprising polymerizing a reaction mixture comprising ethylene and at least the following A) and B): A) a Rheology Modifying Agent (RMA) selected from the following i) through v), as described herein; B) at least one comonomer selected from the following a) through c), as described herein.
Abstract: A catalyst regenerator for combusting carbonaceous deposits from a catalyst comprising a first chamber which comprises a catalyst inlet for feeding spent catalyst with carbonaceous deposits to said first chamber, a supplemental fuel gas distributor, and a distributor for an oxygen containing gas for distributing oxygen containing gas into said first chamber to contact said spent catalyst and combust carbonaceous deposits and supplemental fuel which further deactivates the spent catalyst and generates flue gas; a riser section extending from said first chamber for transporting the spent catalyst and the flue gas, the riser section comprising an outer wall, at least one slot in the outer wall, and a riser termination device which comprises a substantially internally flat cover plate, at least one arm extending from the cover plate, wherein the arm extends about the slot from the outer wall, the arm comprising an outer shell that encloses the arm and wherein no internal portion of the cover plate extends above a
Type:
Grant
Filed:
September 28, 2016
Date of Patent:
November 5, 2019
Assignee:
Dow Global Technologies LLC
Inventors:
Matthew T. Pretz, Don F. Shaw, Richard E. Walter, Madhusudhan Kodam
Abstract: The present invention discloses a polymeric polyol composition useful for making polyurethane polymers, especially polyurethane foams. Said polyurethane polymer foams demonstrate a good balance of mechanical properties, physical properties, and low emissions. The polymeric polyol composition is the reaction product(s) of (i) a polyamine initiator composition comprising the polymerization product(s) of aminoethylpiperazine with (ii) at least one epoxide compound, at least one glycidyl ether compound, or mixtures thereof.
Type:
Application
Filed:
June 7, 2017
Publication date:
October 31, 2019
Applicant:
Dow Global Technologies LLC
Inventors:
Michael T. Malanga, Sabrina Fregni, George J. Frycek, Stephen W. King, Jean-Paul Masy, Sadeka Onam
Abstract: A process to form an ethylene-based polymer comprising, in polymerized form, ethylene and at least one acid comonomer, said process comprising polymerizing a reaction mixture comprising the ethylene and the acid comonomer, in a reactor configuration comprising at least one Secondary compressor, at least one pressurization device, and at least one reactor selected from the following: at least one autoclave reactor, at least one tubular reactor, or a combination thereof; and wherein the reaction mixture is polymerized in the presence of at least one free-radical initiator, and at a pressure of at least 1000 Bar; and wherein at least a portion of a comonomer composition comprising at least a portion of the acid comonomer used in the polymerization, is compressed, to form a compressed comonomer composition, in the pressurization device, up to a discharge pressure ranging from 1000 Bar to 4000 Bar, and at a discharge temperature (DT) from 10 C to 100 C; and wherein the compressed comonomer composition bypasses the
Type:
Grant
Filed:
June 30, 2016
Date of Patent:
October 29, 2019
Assignee:
Dow Global Technologies LLC
Inventors:
Christopher R. Eddy, Jeffery S. Bradley, Otto J. Berbee, Sarat Munjal, Bryan Gutermuth
Abstract: A surfactant and a method of forming the surfactant having the formula (I) where a is an integer from 1 to 10, b is an integer from 0 to 10, R1 is —CH3 or —H, n is an integer from 0 to 20, and R2 is a moiety selected from the group consisting of (II), (III), (IV), (V), (VI), (VII) or (VIII) where m is an integer from 0 to 4. The surfactant can be used in a method for preparing a rigid polyurethane foam.
Type:
Grant
Filed:
December 17, 2014
Date of Patent:
October 29, 2019
Assignee:
Dow Global Technologies, LLC
Inventors:
Jiawen Xiong, Dachao Li, Jianxin Zhang, David Hong-fei Guo, Beilei Wang, Wei Liu
Abstract: A process for purification of a carbon dioxide feedstock that includes carbon dioxide and gaseous and liquid C1+ hydrocarbons. Specifically, a carbon dioxide feedstream is passed through one or more separation unit, each separation unit removing one or more C1+ hydrocarbon from the carbon dioxide feedstream to provide a richer carbon dioxide gas stream. The one or more separation unit employs an adsorption media and has an adsorption step and a media regeneration step.
Type:
Grant
Filed:
August 5, 2014
Date of Patent:
October 29, 2019
Assignee:
Dow Global Technologies LLC
Inventors:
Scott T. Matteucci, Ajay N. Badhwar, H. Robert Goltz, Jonathan W. Leister, Nicholas J. Shurgott
Abstract: A first oriented film comprising a first polyethylene composition which comprises: from 20 to 50 wt % of a first linear low density polyethylene polymer having a density greater than 0.925 g/cc and an I2 lower than 2 g/10 min; and from 80 to 50 wt % of a second linear low density polyethylene polymer having a density lower than or equal to 0.925 g/cc and an I2 greater than or equal to 2 g/10 min; wherein the first polyethylene composition has an I2 from 0.5 to 10 g/10 min and a density from 0.910 to 0.940 g/cc is provided.
Type:
Grant
Filed:
April 9, 2014
Date of Patent:
October 29, 2019
Assignee:
Dow Global Technologies LLC
Inventors:
Yijian Lin, Mehmet Demirors, Jianping Pan, Xiao B. Yun
Abstract: The present invention relates to a method for providing modified gypsum plaster or filling compositions having reduced agglomeration in comparison to gypsum plaster or filling compositions comprising cellulose ether in a specific amount from 0.1 to 1.0 weight percent, based on the total dry weight of said composition. Also provided are dry mortars comprising cellulose ether, gelatin and gypsum for use in such methods, and gypsum-free mixtures comprising cellulose ether and gelatin which may be added to gypsum binder for use a for use in such methods.
Abstract: The invention provides a composition comprising at least the following: a) a first composition comprising at least one first ethylene-based polymer, formed by high pressure, free-radical polymerization, and wherein the first composition comprises the following properties: a melt index (I2) from 1.0 to 15.0 g/10 min, and density from 0.910 to 0.940 g/cc; b) a second composition comprising at least one second ethylene-based polymer, and wherein the second composition comprises the following properties; a melt index (I2) from 1.0 to 1000 g/10 min, a density greater than 0.940 g/cc; wherein the composition comprises the following properties: melt index (I2) from 2.0 to 20.0 g/10 min, and a density from 0.915 to 0.940 g/cc; and wherein the first composition is present in an amount from 65 to 95 wt %, based on the weight of the composition.
Type:
Grant
Filed:
June 30, 2015
Date of Patent:
October 29, 2019
Assignee:
Dow Global Technologies LLC
Inventors:
Mehmet Demirors, Teresa P. Karjala, Yijian Lin, James L. Cooper
Abstract: The present invention provides carbamylation compositions of one or more urea compounds, one or more polyols and a monovalent transition metal or alkali metal catalyst (i), such as lithium ethylhexanoate, which compositions are substantially isocyanate free, enjoy reduced toxicity in comparison to tin catalysts, and which are useful in making polycarbamates which themselves provide compositions for making crosslinked polyurethanes.
Type:
Grant
Filed:
September 16, 2015
Date of Patent:
October 29, 2019
Assignee:
Dow Global Technologies LLC
Inventors:
Daryoosh Beigzadeh, Thomas P. Clark, Paul Foley, Congcong Lu, Peter Margl, Duane R. Romer
Abstract: Disclosed is a process for purifying propylene oxide. A stream S0 containing propylene oxide, acetonitrile, water, and an organic compound containing one or more of acetone and propionaldehyde is provided. Propylene oxide is separated from S0 by subjecting S0 to distillation in a first distillation unit, obtaining a gaseous top stream S1c enriched in propylene oxide, a liquid bottom stream S1a enriched in acetonitrile and water, and a side stream S1b containing propylene oxide and enriched in the carbonyl compound; reacting the carbonyl compound in S1b with an organic compound containing an amino group to obtain a reaction product; separating propylene oxide from the reaction product in a second distillation unit, obtaining a gaseous top stream S3a enriched in propylene oxide and a liquid bottoms stream S3b enriched in the reaction product; and introducing stream S3a into the first distillation unit.
Type:
Application
Filed:
July 19, 2017
Publication date:
October 24, 2019
Applicants:
BASF SE, Dow Global Technologies LLC
Inventors:
Joaquim Henrique TELES, Marvin KRAMP, Christian MUELLER, Nicolai Tonio WOERZ, Bernd METZEN, Tobias KELLER, Dominic RIEDEL, Heiner SCHELLING, Markus WEBER, Daniel URBANCZYK, Andrei-Nicolae PARVULESCU, Ulrike WEGERLE, Ulrich MUELLER, Meinolf WEIDENBACH, Werner J. WITZI