Patents Assigned to Dow Global Technologies LLC
  • Patent number: 11958936
    Abstract: A method of producing a polyether polyol includes reacting a low molecular weight initiator with one or more monomers in the presence of a polymerization catalyst, and the low molecular weight initiator has a nominal hydroxyl functionality of at least 2. The one or more monomers includes at least one selected from propylene oxide and butylene oxide. The polymerization catalyst is a Lewis acid catalyst having the general formula M(R1)1(R2)1(R3)1(R4)0 or 1, whereas M is boron, aluminum, indium, bismuth or erbium, R1, R2, R3, and R4 are each independent, R1 includes a fluoroalkyl-substituted phenyl group, R2 incudes a fluoroalkyl-substituted phenyl group or a fluoro/chloro-substituted phenyl group, R3 includes a fluoroalkyl-substituted phenyl group or a fluoro/chloro-substituted phenyl group, and optional R4 includes a functional group or functional polymer group, R1 being different from at least one of R2 and R3.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: April 16, 2024
    Assignee: Dow Global Technologies LLC
    Inventors: Arjun Raghuraman, William H. Heath, Sukrit Mukhopadhyay, Heather A. Spinney, David R. Wilson, Anthony P. Gies, Manjiri R. Paradkar
  • Publication number: 20240116969
    Abstract: Embodiments of the present disclosure are directed towards hafnium metallocenes having nonidentical ligands, spray-dried compositions including those hafnium metallocenes, and methods utilizing spray-dried compositions including hafnium metallocene having nonidentical ligands.
    Type: Application
    Filed: February 8, 2022
    Publication date: April 11, 2024
    Applicant: Dow Global Technologies LLC
    Inventors: Rhett A. Baillie, Roger L. Kuhlman, Angela I. Padilla-Acevedo, Mahsa McDougal, Tamara L. Brennan, David M. Pearson, Stephanie M. Whited
  • Patent number: 11952503
    Abstract: A polyolefin and polyvinylpyrrolidone formulation including (A) an olefin-based (co)polymer, (B) a polyvinylpyrrolidone (co)polymer, and (C) an antioxidant. Also a method of making the composition; a crosslinked polyolefin product made by curing the composition; manufactured articles including a shaped form of the inventive formulation or product; and methods of using the inventive formulation, product, or articles.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: April 9, 2024
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Chao He, Yabin Sun, Jeffrey M. Cogen, Timothy J. Person, Hongyu Chen
  • Patent number: 11952491
    Abstract: A rigid polyurethane foam formulation comprising a polyol composition comprising, by weight based on the weight of the polyol composition, more than 70% of at least one polyester polyol having an average hydroxyl number of from 150 to less than 300 mg KOH/g and an average functionality of at least 2; a blowing agent comprising water and an auxiliary blowing agent; a silicone copolymer surfactant; from 1% to 5% by weight based on the weight of the polyol composition, of a cyclic siloxane having a surface tension less than 21 dynes/cm at 25° C., wherein the weight ratio of the cyclic siloxane to the silicone copolymer surfactant is from 0.6 to less than 2.27; a catalyst, and optionally a flame retardant; and a polyisocyanate; such that the isocyanate index is in the range of from 180 to 500; a rigid polyurethane foam formed from the foam formulation; and a method of forming a rigid polyurethane foam.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: April 9, 2024
    Assignees: Dow Global Technologies LLC, DOW TURKIYE KIMYA SANAYI VE TICARET LTD SIRKETI
    Inventors: Rossella Riccio, Elena Ferrari, Luigi Bertucelli, Esma Atlandi, Giuseppe Vairo
  • Patent number: 11951455
    Abstract: A process for dehydrogenating alkane or alkylaromatic compounds comprising contacting the given compound and a dehydrogenation catalyst in a fluidized bed. The dehydrogenation catalyst is prepared from an at least partially deactivated platinum/gallium catalyst on an alumina-based support that is reconstituted by impregnating it with a platinum salt solution, then calcining it at a temperature from 400° C. to 1000° C., under conditions such that it has a platinum content ranging from 1 to 500 ppm, based on weight of catalyst; a gallium content ranging from 0.2 to 2.0 wt %; and a platinum to gallium ratio ranging from 1:20,000 to 1:4. It also has a Pt retention that is equal to or greater than that of a fresh catalyst being used in a same or similar catalytic process.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: April 9, 2024
    Assignee: Dow Global Technologies LLC
    Inventors: Lin Luo, Devon C. Rosenfeld, Andrzej M. Malek
  • Patent number: 11952470
    Abstract: A coagent masterbatch comprising a semi-crystalline polyolefin carrier resin and an alkenyl-functional coagent. A peroxide curable formulation comprising the coagent masterbatch and a polyolefin compound. A method of making the masterbatch and formulation; a peroxide-cured polyolefin product prepared therefrom; a manufactured article comprising or made from the masterbatch, formulation, or product; and a method of using the manufactured article.
    Type: Grant
    Filed: February 1, 2018
    Date of Patent: April 9, 2024
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Dachao LI, Yabin Sun, Yongyong Yang, Timothy J Person, Jeffrey M. Cogen, Rajen M. Patel
  • Patent number: 11952515
    Abstract: The disclosed adhesive compositions comprise (A) an isocyanate component comprising (i) an isocyanate and (ii) an isocyanate-terminated silane compound. In some embodiments, the isocyanate-terminated silane compound (ii) is the reaction product of a polyisocyanate and an isocyanate-reactive compound comprising a silane group and at least one isocyanate-reactive group selected from the group consisting of —OH, —SH, and —NHR, where R stands for an alkyl remainder having from 1 to 12 C atoms or a cycloaliphatic or aromatic remainder having between 6 and 12 C atoms. In other embodiments, the isocyanate-terminated silane compound (ii) is the reaction product of a polyisocyanate selected from the group consisting of isophorone diisocyanate, m-xylylene diisocyanate, mixtures thereof, dimers thereof, trimers thereof, prepolymers thereof, and combinations thereof and an isocyanate-reactive compound comprising a silane group and at least one isocyanate-reactive group of —NH2.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: April 9, 2024
    Assignee: Dow Global Technologies LLC
    Inventors: Rui Xie, Jie Wu, Kalyan Sehanobish
  • Patent number: 11951648
    Abstract: The present disclosure describes a treated cellulosic material comprising a cellulosic material having a porous structure defining a plurality of pores, at least a portion of the pores containing a treating agent comprising a polymer, the polymer comprising a polyurethane polymer. The present disclosure further describes a method for preparing a treated cellulosic material comprising providing a cellulosic material; and a first treatment protocol comprising impregnating the cellulosic material with an aqueous dispersion comprising a polymer, the polymer comprising a polyurethane polymer; and a second treatment protocol comprising impregnating the cellulosic material with a modifying agent, the modifying agent comprising a hydrophobic amine.
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: April 9, 2024
    Assignee: Dow Global Technologies LLC
    Inventors: Stephen W. King, Xue Chen
  • Patent number: 11945903
    Abstract: Embodiments of the present disclosure are directed towards solventless compositions that include a reaction product formed by reacting a polyol and an aminopolycarboxylic compound.
    Type: Grant
    Filed: July 7, 2020
    Date of Patent: April 2, 2024
    Assignee: Dow Global Technologies LLC
    Inventors: Yinzhong Guo, Xue Chen, Stephen W. King
  • Patent number: 11945902
    Abstract: A two-component polyurethane composition comprising: an aqueous dispersion comprising an emulsion polymer and a specific sulphate and/or sulfonate surfactant, and a water-dispersible polyisocyanate; the emulsion polymer with a weight average molecular weight of 70,000 g/mol or less comprising, by weight based on the weight of the emulsion polymer, greater than 0.25% of structural units of a phosphorous-containing acid monomer and/or salts thereof, greater than 15% of structural units of a hydroxy-functional alkyl (meth)acrylate, structural units of an monoethylenically unsaturated nonionic monomer, and from zero to 10% of structural units of an additional acid monomer and/or salts thereof; and a process of preparing the two-component polyurethane composition.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: April 2, 2024
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Daoshu Lin, Baoqing Zheng, Jia Tang, Dong Yun, Shujun Shu, Gary W. Dombrowski
  • Patent number: 11945945
    Abstract: A resin including up to 99.99 weight percent (wt. %) of a first polyolefin grafted with a functional group selected from an ethylenically unsaturated carboxylic acid, a carboxylic acid anhydride, an ester functional group or a combination thereof; and 0.01 to 3.0 wt. % of a tin oxide-based catalyst, where the resin includes 0.2 wt. % to 1.5 wt. % of the functional group from the first polyolefin, the wt. % based on a total weight of the resin. The first polyolefin can be selected from a polyethylene, a polypropylene, an ethylene/alpha-olefin copolymer, a propylene/alpha-olefin copolymer and combinations thereof. The tin oxide-based catalyst can be selected from dibutyltin oxide, dioctyltin oxide and combinations thereof. The resin can be used in a multilayer structure, where a Layer A comprises the resin and a Layer B comprises a polyester, where a first major surface of Layer A is in adhering contact with the second major surface of Layer B.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: April 2, 2024
    Assignees: Dow Global Technologies LLC, Regents of The University of Minnesota
    Inventors: Kunwei Liu, Alex Michael Jordan, Christopher John Ellison, Christopher Ward Macosko, Christopher M. Thurber, Wenyi Huang, Thomas H. Peterson
  • Patent number: 11945194
    Abstract: The present disclosure provides a multilayer film. The multilayer film includes at least two layers including a sealant layer and a second layer in contact with the sealant layer. The sealant layer contains (A) a first ethylene-based polymer having a density from 0.895 g/cc to 0.925 g/cc and a melt index from 0.5 g/10 min to 30 g/10 min; (B) a branched fatty acid amide; and (C) a linear saturated fatty acid amide, wherein the branched fatty acid amide and the linear saturated fatty acid amide have a weight ratio of from 1:5 to 3:1. The second layer contains a second ethylene-based polymer.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: April 2, 2024
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Ronald Wevers, Raul Sharma, Kyle E. Hart, Mridula Kapur, Michaeleen L. Pacholski
  • Patent number: 11945772
    Abstract: A method including the step contacting an olefin, an alcohol, a metallosilicate catalyst and a solvent, wherein the solvent comprises structure (I): wherein R1 and R2 are each selected from the group consisting of an aryl group and an alkyl group with the proviso that at least one of R1 and R2 is an aryl group, further wherein n is 1-3.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: April 2, 2024
    Assignee: Dow Global Technologies LLC
    Inventors: Wen-Sheng Lee, Mingzhe Yu, Jing L. Houser, Sung-Yu Ku, Wanglin Yu, Stephen W. King, Paulami Majumdar, Le Wang
  • Patent number: 11945635
    Abstract: The present disclosure provides a flexible container (10). In an embodiment, the flexible container includes a front panel (22), a rear panel (24), a first gusseted side panel (18), and a second gusseted side panel (20). The gusseted side panels adjoin the front panel and the rear panel along peripheral seals (41) to form a chamber. The panels form (i) a top portion, (ii) a body portion, and (iii) a bottom portion. The top portion comprises a neck (27) and a fitment (30) in the neck. The front panel comprises a front handle (82) extending therefrom and the rear panel comprises a rear handle (84) extending therefrom. The front handle and the rear handle are in opposing relation to each other, the front handle and the rear handle extending over the first gusseted side panel.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: April 2, 2024
    Assignee: Dow Global Technologies LLC
    Inventors: Marc S. Black, Liangkai Ma, Simon Jespersen, Muhammad Ali Siddiqui, Chad V. Schuette, Brian W. Walther, Fabrice Digonnet
  • Publication number: 20240100510
    Abstract: According to one or more embodiments of the present disclosure, a fluidization promoter useful for dehydrogenation includes from 0.1 wt. % to 10 wt. % gallium, from 5 ppm to 500 ppm platinum, less than 5 wt. % alkali metal or alkaline earth metal, and a support material. A median particle size of the fluidization promoter is from 20 ?m to 50 ?m. Catalyst systems useful for dehydrogenation and methods for producing olefins using the same are also disclosed.
    Type: Application
    Filed: December 15, 2021
    Publication date: March 28, 2024
    Applicant: Dow Global Technologies LLC
    Inventors: Lin Luo, Yang Yang, Matthew T. Pretz
  • Publication number: 20240100813
    Abstract: A lamination film structure including a combination of: (a) at least one first layer of an oriented polyethylene film and (b) at least one second layer of a blown or cast polyethylene film, wherein the first oriented polyethylene film layer is laminated with the second blown or cast polyethylene film layer; and wherein the blown or cast polyethylene film of component (b) is a blown polyethylene film or a cast polyethylene film comprising a formulated resin including a combination or mixture of: (bi) a predetermined amount of a post-consumer recycled resin sourced from a recycled high density polyethylene resin; and (bii) a predetermined amount of a polyethylene resin; a process for making the above lamination film structure; and a film or article made from a recyclate of the above lamination film structure.
    Type: Application
    Filed: April 30, 2021
    Publication date: March 28, 2024
    Applicant: Dow Global Technologies LLC
    Inventors: Shenglong Chen, Weiming Ma, Jingyi Xu
  • Publication number: 20240100496
    Abstract: According to one or more embodiments of the present disclosure, a riser may be operated by a method including repeatedly heating and cooling a riser between an operational temperature and a non-operational temperature. When the riser is heated from a non-operational temperature to an operational temperature, the riser undergoes thermal expansion. When the riser is cooled from an operational temperature to a non-operational temperature, the riser undergoes thermal contraction. The riser undergoes irreversible growth over repeated heating and cooling cycles, and the length of a lower section of an upper riser portion is sized to accommodate the irreversible growth from cycled thermal expansion of the riser.
    Type: Application
    Filed: December 14, 2021
    Publication date: March 28, 2024
    Applicant: Dow Global Technologies LLC
    Inventors: Matthew T. Pretz, Donald F. Shaw, Richard Edwards Walter, Fermin Alejandro Sandoval, Albert Meza
  • Patent number: 11938709
    Abstract: The present disclosure includes a process for making a package having a spout. The process includes heating a sealing area of a spout to a temperature at or above a melting point of the spout material; heating two multilayer structures around a portion of their peripheries to adhere the peripheries of sealant layers and form a partially sealed package having an opening; inserting the heated spout into the opening; and pressing opposing surfaces of the two multilayer structures around the spout to close the opening around the spout. Each multilayer structure includes a multilayer film having the sealant layer having at least 40% by weight of an ethylene-based polymer having a melting point below 112 C; an external layer including an ethylene-based polymer; and at least one intermediate layer disposed between the sealant layer and the external layer having a melting point at least 15 C higher than the sealant layer.
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: March 26, 2024
    Assignee: Dow Global Technologies LLC
    Inventors: Luis Alberto Santini, Radisa Boskovic, Peter Hermann Roland Sandkuehler, Ramon Pradas Cortina, Marti Nogué I Arbusa, Carlos Almor Morujo
  • Patent number: 11939455
    Abstract: A polyolefin-and-poly (2-alkyl-2-oxazoline) formulation comprising (A) an olefin-based (co) polymer, (B) a poly (2-alkyl-2-oxazoline) (co) polymer, and (C) an antioxidant. Also a method of making the composition; a crosslinked polyolefin product made by curing the composition; manufactured articles comprising a shaped form of the inventive formulation or product; and methods of using the inventive formulation, product, or articles.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: March 26, 2024
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Chao He, Yabin Sun, Jeffrey M. Cogen, Timothy J. Person, Hongyu Chen
  • Patent number: 11938202
    Abstract: A personal cleansing soap bar composition is provided, comprising: a soap; an aqueous ethylene acrylic acid copolymer dispersion; a silicone copolymer emulsion with an internal phase viscosity at 25° C. of ?100×106 mm2/sec; wherein the personal cleansing soap bar is a solid.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: March 26, 2024
    Assignee: Dow Global Technologies LLC
    Inventors: Sandeep S. Gadgil, Rishikesh Deshmukh, Deepak Dandekar