Abstract: The present disclosure provides a flexible multilayer film. The flexible multilayer film includes at least three layers. One of the layers is a seal layer and one of the layers is a barrier layer. The seal layer is an ionomer. The backing layer is in direct contact with the seal layer. The backing layer is an ethylene/?-olefin multi-block copolymer.
Type:
Grant
Filed:
September 24, 2020
Date of Patent:
February 25, 2025
Assignee:
Dow Global Technologies LLC
Inventors:
Kleber Brunelli, Nicolas Cardoso Mazzola
Abstract: A method for preparing C2 to C5 paraffins including introducing a feed stream of hydrogen gas and a carbon-containing gas selected from carbon monoxide, carbon dioxide, and mixtures thereof into a reaction zone of a reactor. Converting the feed stream into a product stream that includes C2 to C5 paraffins in the reaction zone in the presence of a hybrid catalyst. The hybrid catalyst including a microporous catalyst component; and a metal oxide catalyst component. The metal oxide catalyst component including a metal component present on a metal oxide support material. The metal oxide support material includes at least one oxide of a metal selected from Group 4 of the IUPAC periodic table of elements. The product stream has a C3/C2 carbon molar ratio greater than or equal to 4.0.
Type:
Grant
Filed:
May 7, 2020
Date of Patent:
February 18, 2025
Assignee:
Dow Global Technologies LLC
Inventors:
Alexey Kirilin, Adam Chojecki, Joseph F. Dewilde, Glenn Pollefeyt, Davy L.S. Nieskens, Andrzej Malek
Abstract: A method of preparing a silicone-acrylate hybrid composition is provided. The method comprises irradiating an acrylate composition in the presence of: (i) a silicone article, and/or (ii) a silicone composition; to polymerize the acrylate composition and give the silicone-acrylate hybrid composition. The acrylate composition comprises an acrylate compound and an initiator.
Type:
Grant
Filed:
December 23, 2020
Date of Patent:
February 18, 2025
Assignees:
DOW GLOBAL TECHNOLOGIES LLC, DOW SILICONES CORPORATION, NORTHWESTERN UNIVERSITY
Inventors:
Dongchan Ahn, Jeremy Beebe, Shane Mangold, Ken Shull, Muzhou Wang, Anthony Silvaroli, Tyler Heyl
Abstract: A coating composition which comprises a first polymeric component which comprises a first polymeric dispersion, wherein polymers contained in the first polymeric dispersion have a surface free energy of equal to or greater than 28 mJ/m2 and a volume average particle size diameter of from 0.1 to 10 microns; a second polymeric component which comprises one or more second polymeric emulsions wherein polymers contained in the second polymeric emulsions have a surface free energy equal to or less than 26 mJ/m2 and a volume average particle size diameter from 0.005 to 1,000 microns; one or more rheology modifiers is provided. An article coated with the coating composition and a method of making the coated article are also provided.
Type:
Grant
Filed:
October 8, 2019
Date of Patent:
February 18, 2025
Assignees:
Dow Global Technologies LLC, Dow Silicone Corporation
Inventors:
Craig Gorin, Manesh Sekharan, David Yancey, David Bank, Jacob Milne, Mark Fisher, Rebecca Beeson
Abstract: A method of preparing an organosilanol compound is disclosed. The method comprises reacting (A) an initial organosilicon compound and (B) water in the presence of (C) a catalyst. The catalyst (C) is selected from: (C1) [(C8H12irCl]2[(p-cymene)RuCl2]2; and (C3) Pd/C. The initial organosilicon compound (A) has the general formula HO—Si(R)2—[Si(R)2O]a—OSi(R)2—Y and the organosilanol compound has the general formula HO—Si(R)2-[Si(R)2O]a—OSi(R)2—Y, where each R is an independently selected hydrocarbyl group; Y comprises a functional moiety selected from alkoxysilyl moieties, epoxide moieties, and acryloxy moieties, with the proviso that Y is other than the acryloxy moieties when the catalyst (C) is (C3) Pd/C; and subscript a is 0 or 1. The organosilanol compound prepared by the method is also provided.
Type:
Grant
Filed:
December 20, 2019
Date of Patent:
February 18, 2025
Assignees:
Dow Silicones Corporation, Dow Global Technologies LLC
Inventors:
Donald V. Eldred, Matthew Jeletic, John Roberts, Andre Yvon-Bessette
Abstract: A system for the treatment of oxidizable contaminants in wastewater includes a contaminant treatment vessel and a hydrogen peroxide supply unit. The hydrogen peroxide supply unit includes a hydrogen peroxide transfer line in fluid communication with the contaminant treatment vessel with an air-gap. A wastewater feed stream may also be in fluid communication with the contaminant treatment vessel. A contaminant treatment vessel effluent stream may also be in fluid communication with the contaminant treatment vessel. A method for the treatment of oxidizable contaminants in wastewater includes supplying wastewater to a contaminant treatment vessel, supplying hydrogen peroxide to the contaminant treatment vessel so that the supply is above the maximum filling level of the vessel in an air-gap, and contacting wastewater in the contaminant treatment vessel with hydrogen peroxide.
Type:
Application
Filed:
November 17, 2022
Publication date:
February 13, 2025
Applicant:
Dow Global Technologies LLC
Inventors:
Wu Chen, Lin Zhao, Jen-Hsiang Kao, Michael E. Uhl
Abstract: The present disclosure provides embodiments of an asphalt composition and methods of making that may include asphalt, supplemental asphaltene, and epoxy-functionalized polyethylene.
Type:
Application
Filed:
December 20, 2022
Publication date:
February 13, 2025
Applicant:
Dow Global Technologies LLC
Inventors:
Fabricio Arteaga Larios, Cristina Serrat, Sean P. Doughty
Abstract: Embodiments of the present application are directed to supported catalyst systems that include a metal-ligand complex having the structure of formula (I):
Type:
Application
Filed:
November 21, 2022
Publication date:
February 13, 2025
Applicant:
Dow Global Technologies LLC
Inventors:
Andrew M. Camelio, Rhett A. Baillie, Brad C. Bailey, Johnathan E. DeLorbe, Hien Q. Do, David M. Pearson, Philip P. Fontaine
Abstract: Water-based pressure sensitive adhesive compositions are disclosed comprising (a) an acrylic emulsion having a glass transition temperature of less than or equal to 20° C., (b) optionally, a dispersant or a silane-containing compound, and (c) an ethylene or propylene copolymer emulsion. In some embodiments, (a) comprises from 75 to 99 wt % of the compositions, (b), when present, comprises from 0.1 to 5 wt % of the compositions, and (c) comprises from 0.1 to 25 wt % of the composition, each based on the dry weight of the compositions. Methods for preparing water-based pressure sensitive adhesive compositions are also disclosed comprising emulsion polymerizing at least one unsaturated monomer, thereby forming an emulsion polymer having a glass transition temperature of less than or equal to ?10° C. and blending the emulsion polymer together with a dispersant or silane-containing compound and an ethylene or propylene copolymer emulsion.
Type:
Grant
Filed:
March 13, 2017
Date of Patent:
February 11, 2025
Assignees:
Rohm and Haas Company, Dow Global Technologies LLC
Inventors:
Mario De Filippis, Miao Yang, Cathie Seyfried, Zhaohui Qu, Isabelle Uhl, Melinda L. Einsla, Kalyan Sehanobish, William B. Griffith, Jr., Vinita Yadav
Abstract: A cleaning composition comprising: (a) from 20 to 49 wt % propellant; (b) from 25 to 55 wt % water; (c) from 3 to 12 wt % glycol alkyl ether; (d) from 2 to 12 wt % of an alcohol selected from the group consisting of ethanol and isopropanol; (d) from 1.5 to 5 wt % of a nonionic surfactant; and (e) from 0.3 to 1.5 wt % of a thickener.
Type:
Grant
Filed:
October 6, 2017
Date of Patent:
February 11, 2025
Assignee:
DOW GLOBAL TECHNOLOGIES LLC
Inventors:
Anne Oberlin, Jordan Sarica, Robert Krasnansky
Abstract: A polymer blend is provided comprising: a single stage polymer and a silicone-grafted vinyl copolymer; wherein the single stage polymer comprises: structural units of a monoethylenically unsaturated non-ionic monomer; structural units of a monoethylenically unsaturated carboxylic acid monomer; and structural units of a multiethylenically unsaturated monomer having at least two ethylenically unsaturated groups per molecule; and wherein the silicone-grafted vinyl copolymer, comprises: structural units of a vinyl monomer; and structural units of a carbosiloxane dendrimer of formula (I). Also provided is a suncare formulation comprising the polymer blend in a dermatologically acceptable carrier with a suncare active.
Type:
Grant
Filed:
October 1, 2019
Date of Patent:
February 11, 2025
Assignees:
ROHM AND HAAS COMPANY, DOW GLOBAL TECHNOLOGIES LLC, DOW SILICONES CORPORATION
Inventors:
Fanwen Zeng, Xiaodong Lu, Tian Lan, Isabelle Van Reeth, Helene Dihang, Marc Eeman, Inna Shulman
Abstract: A process for purifying a polyether polyol including treating the polyether polyol with a mixture of: (i) a sulfonic acid catalyst, wherein the catalyst includes a substituted or unsubstituted alkyl group of at least 6 carbon atoms, and (ii) water to reduce residual levels of acetal linkages present in the polyether polyol; a purified polyether polyol prepared using the above treatment process; and a polyurethane product prepared by reacting the above purified polyether polyol and an isocyanate.
Abstract: A polyolefin-based laminating adhesive composition for use in producing a mechanical recyclable material, the adhesive composition including a mixture of: (a) at least one saturated polyolefin polyol; and (b) at least one aliphatic multi-functional isocyanate compound; a process for producing the above adhesive composition; a mechanically recyclable multi-layer laminate including: (A) at least one first film substrate layer; (B) at least one second film substrate layer; and (C) at least one layer of the above polyolefin-based laminating adhesive composition; wherein the at least one first film substrate layer is bonded to the at least one second film substrate layer via the adhesive composition layer; a process for producing the above mechanically recyclable multi-layer laminate; and a packaging article made from the above mechanically recyclable multi-layer laminate.
Abstract: Catalyst systems for olefin polymerization include a metal-ligand complex of a general formula (I). The metal-ligand complex of formula (I) is a transition metal complex of titanium, zirconium, or hafnium, in which the transition metal is coordinated with a biaryl phenoxy ligand structure. Olefin polymerization processes include contacting ethylene and optionally one or more (C3-C12) alpha-olefins in the presence of the catalyst system to produce an ethylene-based polymer or copolymer.
Type:
Grant
Filed:
December 12, 2019
Date of Patent:
February 11, 2025
Assignee:
Dow Global Technologies LLC
Inventors:
Andrew M. Camelio, Brad C. Bailey, Robert D J Froese, Sukrit Mukhopadhyay, David D. Devore, Jerzy Klosin
Abstract: Processes for polymerizing polyolefins include contacting ethylene and optionally one or more (C3-C12)?-olefin in the presence of a catalyst system, wherein the catalyst system comprises a metal-ligand complex having a structure according to formula (I).
Type:
Grant
Filed:
May 28, 2020
Date of Patent:
February 11, 2025
Assignee:
Dow Global Technologies LLC
Inventors:
Andrew M. Camelio, Brad C. Bailey, Robert D. J. Froese, Sukrit Mukhopadhyay
Abstract: Embodiments of a grafted polyethylene comprise a reaction product of a polyethylene having a melt index (at 190° C., 2.16 kg) of at least 0.75 g/10 min, from 0.5 wt. % to 10 wt. % of metal acrylate or metal methacrylate at least partially grafted on the polyethylene, and from 0.1 wt. % to 10 wt. % of one or more metal carboxylates, wherein the metal carboxylate does not have any terminal unsaturation.
Type:
Application
Filed:
December 14, 2021
Publication date:
February 6, 2025
Applicant:
Dow Global Technologies LLC
Inventors:
Santosh S. Bawiskar, Joshua Enokida, Xiaofei Sun, Jeffrey C. Munro, Bo Lyu, Barry A. Morris, Rajesh P. Paradkar, Jeffrey D. Weinhold, Sean Ewart, Mou Paul
Abstract: A system and process for upgrading a hydrocarbon-based composition, that includes introducing the hydrocarbon-based composition into a reaction zone heated with electricity, concentrated solar radiation heat, nuclear reactor heat, geothermal heat, molten salt, molten metal, or combinations thereof; heating the hydrocarbon-based composition in the reaction zone to create a product stream; cooling the product stream create a cooled product stream, wherein: the reaction zone does not produce flue gas.
Type:
Application
Filed:
December 15, 2022
Publication date:
February 6, 2025
Applicant:
Dow Global Technologies LLC
Inventors:
Wim Kamperman, Cornelis Biesheuvel, Bernardo M. Corripio, Ryan C. Johnson
Abstract: A method of preparing an acryloxy-functional organosilicon compound is provided. The method comprises reacting (A) an initial organosilicon compound and (B) an acrylate compound in the presence of (C) a catalyst. The initial organosilicon compound (A) has one alcohol functional group (i.e., is monohydroxyl functional). The catalyst (C) has the formula M[RC(O)CHC(O)R]4, where M is a group IV transition metal and each R is an independently selected substituted or unsubstituted hydrocarbyl group. An acryloxy-functional organosilicon compound prepared by the method is also provided. The acryloxy-functional organosilicon compound is prepared in increased purity, without relying on toxic catalysts.
Type:
Grant
Filed:
December 27, 2019
Date of Patent:
February 4, 2025
Assignees:
Dow Silicones Corporation, Dow Global Technologies LLC
Inventors:
Jason Fisk, Nanguo Liu, Muhunthan Sathiosatham, Michael Telgenhoff, Thu Vi
Abstract: The present disclosure provides embodiments of an asphalt composition and methods of making that may include asphalt binder; a recycled polymer component; an epoxy-functionalized ethylene copolymer, the epoxy-functionalized ethylene copolymer having the formula E/X/Y/Z. E may be a copolymer unit —(CH2CH2)— derived from ethylene; X may be a copolymer unit —(CH2CR1R2)—, where R1 is hydrogen, methyl, or ethyl, and R2 is carboalkoxy, acyloxy, or alkoxy of 1 to 10 carbon atoms, present in from 0 to about 40 weight % of the copolymer; Y may be a copolymer unit —(CH2CR3R4)—, where R3 is hydrogen or methyl and R4 is carboglycidoxy or glycidoxy present in from 0 to about 25 weight % of the copolymer; Z may be a copolymer derived from comonomers including carbon monoxide, sulfur dioxide, acrylonitrile, or other monomers, present from 0 to about 10 weight % of the copolymer.
Type:
Grant
Filed:
January 31, 2020
Date of Patent:
February 4, 2025
Assignee:
Dow Global Technologies LLC
Inventors:
Cristina Serrat, Charles J. DuBois, Jr., Hayley A. Brown, Jorge C. Gomes, Renata de Oliveria Pimentel