Patents Assigned to Dow Global Technologies LLC
  • Saturated-dimer-acid-diester dielectric fluid
    Patent number: 10381127
    Abstract: Dielectric fluid comprising one or more saturated diesters of dimer acids. Such dielectric fluids can also comprise one or more additives such as antioxidants, oxidation inhibitors, corrosion inhibitors, metal deactivators, pour point depressants, or combinations thereof. Additionally, various embodiments concern an electrical device or component comprising a dielectric fluid containing one or more saturated diesters of dimer acids.
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: August 13, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Arkady L. Krasovskiy, Paul J. Caronia
  • Method for manufacturing high aspect ratio silver nanowires
    Patent number: 10376898
    Abstract: A method for manufacturing high aspect ratio silver nanowires is provided, wherein the silver solids produced comprise high aspect ratio silver nanowires and are depleted in low aspect ratio silver particles.
    Type: Grant
    Filed: May 18, 2016
    Date of Patent: August 13, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Raymond M. Collins, Patrick T. McGough, William R. Bauer
  • Flexible container with a spray valve
    Patent number: 10377555
    Abstract: The present disclosure provides a flexible container. In an embodiment, the flexible container includes (A) four panels, each panel formed from a flexible multilayer film. The flexible multilayer film is composed of one or more polymeric materials. The four panels form (i) a body, and (ii) a neck. The flexible container includes (B) a fitment. The fitment includes a top portion and a base. The base is composed of a polymeric material. The base is sealed in the neck. The flexible container includes (C) a sleeve and bag-on-valve assembly, or SBoV. The SBoV includes a valve seat, a bladder, and an elastic sleeve. (D) The bladder and the elastic sleeve are inserted through the fitment and are located in the body. (E) The valve seat is attached to the fitment.
    Type: Grant
    Filed: April 13, 2016
    Date of Patent: August 13, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Ryan S. Gaston, Rashi Tiwari, Cristina Serrat, Jeffrey E. Bonekamp, Matthew J. Turpin
  • MODIFIED ZIEGLER-NATTA (PRO) CATALYSTS AND SYSTEM
    Publication number: 20190241686
    Abstract: A modified Ziegler-Natta procatalyst that is a product mixture of modifying an initial Ziegler-Natta procatalyst with a molecular (pro)catalyst, and optionally an activator, the modifying occurring before activating the modified Ziegler-Natta procatalyst with an activator and before contacting the modified Ziegler-Natta procatalyst with a polymerizable olefin. Also, a modified catalyst system prepared therefrom, methods of preparing the modified Ziegler-Natta procatalyst and the modified catalyst system, a method of polymerizing an olefin using the modified catalyst system, and a polyolefin product made thereby.
    Type: Application
    Filed: September 21, 2017
    Publication date: August 8, 2019
    Applicant: Dow Global Technologies LLC
    Inventors: Linfeng Chen, Mehmet Demirors
  • METHOD OF POLYMERIZING AN OLEFIN
    Publication number: 20190241687
    Abstract: A method of polymerizing an olefin using a combination of a Ziegler-Natta catalyst and an unsupported molecular catalyst in a same reactor at the same time to give a polyolefin product, and the polyolefin product made by the method. Also, methods of preparing the combination of (pro)catalysts.
    Type: Application
    Filed: September 21, 2017
    Publication date: August 8, 2019
    Applicant: Dow Global Technologies LLC
    Inventors: Linfeng Chen, Mehmet Demirors
  • Ethylene/alpha-olefin/nonconjugated polyene based compositions for thermoplastic vulcanizates
    Patent number: 10370524
    Abstract: The invention provides a composition comprising at least the following components: A) an ethylene/?-olefin/nonconjugated polyene interpolymer that has the following properties: i) a rheology ratio (V0.1/V100 at 190° C.) greater than, or equal to, 35; ii) a weight average molecular weight (Mw) greater than, or equal to, 200,000 g/mol; and iii) a CCDB (Chemical Composition Distribution Breadth) less than 7; B) a thermoplastic polymer; C) a vulcanization agent; and wherein the interpolymer comprises incorporated oil. The invention also provides a composition comprising the following: A) a first composition comprising: a) a first ethylene/?-olefin/nonconjugated polyene interpolymer; b) a second ethylene/?-olefin/nonconjugated polyene interpolymer; and wherein the first composition has the following properties: i) an MWD less than, or equal to, 3.5, ii) a Mooney Viscosity (ML (1+4, 125° C.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: August 6, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Xiaosong Wu, Colin Li Pi Shan
  • Process to form oil containing ethylene-based polymers
    Patent number: 10370471
    Abstract: The invention provides a process to form a composition comprising at least one ethylene-based polymer and at least one oil, said process comprising the following: polymerizing a mixture comprising ethylene, and optionally one or more comonomers, in a reactor system, comprising at least one reactor and at least one mixer, located downstream from the reactor, to form the ethylene-based polymer; and wherein the oil is added to the ethylene-based polymer upstream of the mixer. The invention also provides a reactor system for a process to form a composition comprising at least one ethylene-based polymer and at least one oil, said reactor system comprising at least one reactor, at least one mixer, and an oil feed into the ethylene-based polymer, and wherein the oil feed is located after the reactor and before the mixer.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: August 6, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Thomas W. Karjala, Jorge Rubalcaba, Edward O. Madenjian, Curvel Hypolite, Pradeep Jain
  • Method for subterranean petroleum recovery using a surfactant blend
    Patent number: 10370584
    Abstract: Recover petroleum from a subterranean formulation by injecting an aqueous solution comprising a polyethylene oxide nonionic surfactants and a disulfonated anionic surfactant.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: August 6, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Claribel Acevedo Velez, Wanglin Yu, Wanda G. Buckner, Joydeep Mukherjee
  • Polyethylene compositions having living hinge properties
    Patent number: 10370527
    Abstract: A polyethylene composition suitable for use in a living hinge component, the composition comprising a first ethylene-based polymer component, the first ethylene-based polymer component has a density of from 0.91.5 g/cc to less than 0.940 g/cc. and a melt index, I2.16, of less than 5 g/10 min. and a second ethylene-based polymer component, wherein the composition has an overall density of from 0.945 g/cc to 0.960 g/cc and an overall melt index, I2.16, of from 5 g/10 min to 20 g/10 min.
    Type: Grant
    Filed: November 5, 2015
    Date of Patent: August 6, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Stephanie M. Whited, Mridula Babli Kapur, Yijian Lin
  • ACOUSTIC MIXING FOR FLOCCULANT ADDITION TO MINERAL SUSPENSIONS
    Publication number: 20190233310
    Abstract: The present invention relates to a process for mixing a flocculant composition with mineral suspensions, especially waste mineral slurries, using an acoustic mixer. Preferably the flocculant composition is a polymeric flocculant composition preferably comprising a poly(ethylene oxide) homopolymer or copolymer. The process of the present invention is particularly suitable for the treatment of tailings and other waste material resulting from mineral processing, in particular, processing of oil sands tailings.
    Type: Application
    Filed: July 18, 2017
    Publication date: August 1, 2019
    Applicant: Dow Global Technologies LLC
    Inventors: Carol E. MOHLER, Michael K. POINDEXTER, Thomas L. SANDERS, JR., Cole A. WITHAM
  • METHOD FOR ADDITIVE MANUFACTURING POROUS INORGANIC STRUCTURES AND COMPOSITES MADE THEREFROM
    Publication number: 20190233335
    Abstract: A porous inorganic additive manufactured article that is comprised of at least two layers of inorganic particulates bound together by a carbon binding phase throughout. The additive manufactured article may be formed by additive manufacturing using a mixture comprised of an organic reactive material and inorganic particulates, wherein the organic reactive material is subsequently reacted to form a thermoset material that forms carbon upon heating that binds the inorganic particulates together to form the porous inorganic additive manufactured article. The porous inorganic additive manufactured article may then be infiltrated with a liquid that is solidified to form a composite article or may be further heated in a differing atmosphere to form a further sintered or reacted porous inorganic article.
    Type: Application
    Filed: June 26, 2017
    Publication date: August 1, 2019
    Applicant: Dow Global Technologies LLC
    Inventors: Aleksander J Pyzik, Craig F. Gorin, Janet M. Goss, Sharon Allen, Daniel P. Sophiea
  • MULTILAYER COEXTRUDED FILM FOR CONTROLLING GREASE MIGRATION
    Publication number: 20190232625
    Abstract: A multilayer coextruded film which includes at least one oil and grease absorbing layer and at least one oil barrier layer. The at least one oil and grease absorbing layer includes at least one styrenic block copolymer. Each oil barrier layer includes one or more polyolefins. Some multilayer coextruded films include an interior sealing layer. Further multilayer coextruded films include an exterior finishing layer with the oil barrier layer and the oil and grease absorbing layer disposed between the interior sealing layer and the exterior finishing layer.
    Type: Application
    Filed: September 8, 2017
    Publication date: August 1, 2019
    Applicant: Dow Global Technologies LLC
    Inventors: Felipe Martinez Barreneche, Nicolas Cardoso Mazzola, Marcelo Delmar Cantu, Felipe Dantas Barbosa
  • Process and apparatus to determine the degree of separation of two solution streams
    Patent number: 10365195
    Abstract: The invention provides a method, and apparatus, for determining the degree of separation (DOS) of a polymer solution into a polymer-rich stream and a solvent-rich stream, said method comprising the following: adding to a liquid-liquid separation vessel the polymer solution, which comprises a polymer, a solvent and an anti-solvent; separating the polymer solution into a polymer-rich stream and a solvent-rich stream; removing at least some the polymer-rich stream from at least one outlet P on the vessel, and measuring the actual solution density of this polymer-rich stream using at least one flow meter; removing at least some of the solvent-rich stream from at least one other outlet S on the vessel, and measuring the actual density of the solvent-rich stream using at least one flow meter; and wherein the degree of separation (DOS) is determined by the following equation (Eqn.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: July 30, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Alec Y. Wang, Curvel Hypolite, Jorge Rubalcaba, Michael J. Zogg, Jr., Job D. Guzman
  • Aqueous alkanolamine composition and process for the selective removal of hydrogen sulfide from gaseous mixtures
    Patent number: 10363519
    Abstract: The present invention relates to an aqueous alkanolamine solution and use therein a process for the selective removal of hydrogen sulfide from gaseous mixtures comprising hydrogen sulfide. The aqueous alkanolamine solution consists of —an amino compound with the formula: R1R2NCH2CH(OH)CH2OH wherein R1 and R2 independently represent methyl, ethyl, propyl or isopropyl groups —and bis(2-hydroxyethyl)methylamine, —optionally one or more of a physical solvent, an antifoaming agent, an antioxidant, a corrosion inhibitor, a film former, a chelating agent or a pH adjuster and —water The process for selectively removing hydrogen sulfide, comprising the step of contacting the gaseous mixture with the aqueous alkanolamine solution, preferably wherein the temperature of the aqueous alkanolamine solution is equal to or greater than 140° F.
    Type: Grant
    Filed: May 17, 2016
    Date of Patent: July 30, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Ross E. Dugas, Christophe R. Laroche, Jonathan W. Leister
  • Bioriented polyethylene film
    Patent number: 10363700
    Abstract: 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: Grant
    Filed: August 26, 2011
    Date of Patent: July 30, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Xiao B. Yun, Rongjuan Cong, Jephrey Pan, Teresa P. Karjala
  • INTEGRATED C3-C4 HYDROCARBON DEHYDROGENATION PROCESS
    Publication number: 20190225563
    Abstract: An integrated process for producing C3-C4 olefins or di-olefins including: contacting a hydrocarbon feed and a catalyst feed in a fluidized dehydrogenation reactor under conditions such that a product mixture is formed and the catalyst is at least partially deactivated; transferring the product mixture and the catalyst from the reactor to a cyclonic separation system under conditions such that the product mixture is converted to form a new product mixture and is separated from the catalyst; transferring at least a portion of the catalyst to a regenerator vessel and heating it in order to combust the coke deposited thereon; subjecting the catalyst to a conditioning step to form an oxygen-containing, at least partially reactivated catalyst; and transferring the partially reactivated catalyst back to the fluidized dehydrogenation reactor.
    Type: Application
    Filed: January 23, 2019
    Publication date: July 25, 2019
    Applicant: Dow Global Technologies LLC
    Inventor: Matthew T. Pretz
  • COATING COMPOSITION WITH HIGH HYDROPHOBIC RESISTANCE AND HIGH HYDROPHILIC RESISTANCE
    Publication number: 20190225830
    Abstract: This invention generally relates to a coating composition which provides a coating film with high hydrophilic resistance and high hydrophobic resistance. The coating composition contains a polymer formed from a monomer composition comprising (a) 45-85 wt % of ethyl ester of acrylic acid or methacrylic acid and (b) 15-54 wt % of itaconic ester with 1 or 2 carbon atoms as a binder of the coating composition, and the weight of sum of (a) and (b) is 65% or more based on the total weight of the polymer.
    Type: Application
    Filed: September 2, 2016
    Publication date: July 25, 2019
    Applicants: Dow Global Technologies LLC, Rohm and Haas Company, Rohm and Haas Company
    Inventors: Jianming Xu, Wei Cui, Tao Wang, Siyuan Jiang, Qingwei Zhang, Daoshu Lin
  • MODIFIED POLYETHYLENES
    Publication number: 20190225786
    Abstract: A composition includes polyethylene; a multifunctional co-agent having a functionality of 3 or greater, where the multifunctional co-agent is from 100 to 2000 ppm based upon the polyethylene; and a free radical generator, where the free radical generator is from 5 to 100 ppm based upon the polyethylene. Such composition may be utilized to form modified polyethylenes.
    Type: Application
    Filed: August 31, 2016
    Publication date: July 25, 2019
    Applicant: Dow Global Technologies LLC
    Inventors: Yunfeng Yang, Hongyu Chen, Alexander Williamson, Kalyan Sehanobish, Jorge Caminero Gomes, Yu Cai
  • LUBRICANT COMPOSITION
    Publication number: 20190225907
    Abstract: A lubricant composition including (a) a first low viscosity polyalkylene oxide based fluid such as a combination of propylene oxide (PO) and butylene oxide (BO) based fluid with a first alcohol as an initiator; wherein the first low viscosity PO/BO based fluid has a number average molecular weight of less than about 5 600 Da; and (b) a second high viscosity polyalkylene oxide based fluid such as a combination of ethylene oxide (EO) and propylene oxide (PO) based fluid with a second alcohol as an initiator; wherein the second high viscosity EO/PO based fluid has a number average molecular weight greater than about 600 Da; a process for manufacturing the above lubricant; and a driveline fluid made from the above lubricant composition.
    Type: Application
    Filed: September 22, 2017
    Publication date: July 25, 2019
    Applicant: Dow Global Technologies LLC
    Inventors: Ashish Kotnis, John B. Cuthbert, Brian A. Jazdzewski
  • Ethylene-based polymers with low hexane extractables
    Patent number: 10358512
    Abstract: The invention provides an ethylene homopolymer formed from a free-radical, high pressure polymerization process in a tubular reactor system, said homopolymer comprising the following properties: (A) a density from 0.9190 to 0.9250 g/cc; (B) a hexane extractable level that is less than, or equal to, 2.6 wt %, based on the total weight of the polymer; (C) a G (at G?=500 Pa, 170C) that meets the following equation: G>D+E[log(12)], where D=150 Pa and E=?60 Pa/[log(dg/min)]; and (D) a melt index (12) from 1.0 to 20 dg/min.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: July 23, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Stefan Hinrichs, Cornelis F. J. Den Doelder, Nhi T. Y. Dang, Otto J. Berbee