Patents Assigned to The Dow Chemical Company
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Publication number: 20230312969Abstract: The present invention is a composition comprising an aqueous dispersion of polymer particles, polymeric organic crosslinked microspheres, and colloidal silica particles. The composition is useful in coating compositions for exterior applications to achieve a balance of excellent dirt pickup resistance and durability performance under accelerated testing conditions.Type: ApplicationFiled: July 31, 2020Publication date: October 5, 2023Applicant: The Dow Chemical CompanyInventors: Caifeng Wang, Jianming Xu, Kok Chiew Poh, Yuehan Hu, Tao Wang, Juan F. Callejas, Philip R. Harsh, James C. Bohling, Andrew J. Swartz, Partha S. Majumdar, Joseph Tanzer
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Patent number: 11746465Abstract: A process of making a synthetic leather includes (i) first, contacting a textile with an aqueous solution containing a cationic hydroxyethylcellulose polymer to form a modified textile component; (ii) subsequently, impregnating the modified textile component with an aqueous polyurethane dispersion externally stabilized with an anionic surfactant; and (iii) precipitating the polyurethane in the modified textile component. And a synthetic leather formed by the process.Type: GrantFiled: August 21, 2018Date of Patent: September 5, 2023Assignee: The Dow Chemical CompanyInventors: Xiangyang Tai, Zhaohui Qu, Ruijun Zhao, Yunlong Guo, Xiaoyi Pang
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Patent number: 11746265Abstract: A solvent-based two-component adhesive composition is disclosed. The adhesive composition comprises an isocyanate component and a polyol component. One or both of the isocyanate component and polyol component comprises at least one butylene oxide-based polyol. The at least one butylene oxide-based polyol can be selected from the group consisting of a polybutylene oxide polyols, polybutylene oxide-propylene oxide copolymer polyols, polybutylene oxide-polyethylene oxide copolymer polyols, and combinations of two or more thereof. A method for forming a laminate is also disclosed. The method comprises forming an adhesive composition, the composition comprising at least one polyol comprising at least one butylene oxide-based polyol, applying a layer of the adhesive composition to a surface of a film, bringing the layer into contact with a surface of another film to form a laminate, and curing the adhesive composition. A laminate formed by this method is also disclosed.Type: GrantFiled: May 22, 2017Date of Patent: September 5, 2023Assignee: The Dow Chemical CompanyInventors: Mikhail Y. Gelfer, Rui Xie, Jonathan Barrus
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Patent number: 11746266Abstract: A two-component solventless polyurethane adhesive composition including (A) at least one isocyanate component and (B) at least one polyol component. The isocyanate component (A) comprises an isocyanate prepolymer that is the reaction product of (Ai) a polyisocyanate and (Aii) an isocyanate-reactive component; wherein the isocyanate-reactive component comprises (Aiia) at least one polyol having a functionality greater than two, (Aiib) at least one aromatic polyester polyol having a functionality of greater than two, and (Aiic) at least one hydrophobic polyol. The polyol component (B) comprises (Bi) at least one polyether polyol having a functionality greater than two, (Bii) at least one aromatic polyester polyol transesterified with a natural oil, and (Biii) at least one phosphate ester polyol.Type: GrantFiled: October 12, 2020Date of Patent: September 5, 2023Assignee: The Dow Chemical CompanyInventors: Yinzhong Guo, Juan Carlos Casarrubias, Kevin K. Miyake, Mateus Batista Torres Cipro, Elkin David Cardona Jimenez
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Patent number: 10125536Abstract: In a method of supplying an element for covering a non-vision area in a curtain wall on an architectural structure, a plurality of shadow boxes is prefabricated at a location remote from both a unitized curtain wall assembly shop and the architectural structure. The shadow boxes are prefabricated by sealing an interior spacer between a vision glass panel and a back structure. The back structure includes an insulating material surrounded by a rigid envelope. The vision glass panel, the back structure and the interior spacer define a hermetically sealed void therein. A structural seal is applied about the interior spacer and is affixed to the peripheral edge of the vision glass, the interior spacer and the back structure. The plurality of shadow boxes is then delivered to a selected one of the unitized curtain wall assembly shop and the architectural site.Type: GrantFiled: January 18, 2016Date of Patent: November 13, 2018Assignees: Rainlight Studio LLC, Dow Chemical CompanyInventors: Stephen Weinryb, Neil McClelland
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Publication number: 20180162990Abstract: A two-component curable epoxy resin system including a dye solution. The resin system includes an epoxy resin component containing at least 80% by weight of a polyglycidyl ether of a polyphenol. The system also includes a hardener mixture containing mainly polyethylene tetraamines. The system includes triethylene diamine in specific amounts as a catalyst. The system has beneficial curing characteristics with desired color that make it useful for producing fiber-reinforced composites in a resin transfer molding process.Type: ApplicationFiled: June 22, 2016Publication date: June 14, 2018Applicant: The Dow Chemical CompanyInventors: Timothy A. Morley, Rainer Koeniger, Martin Reimers, Peter J. Cate, Nebojsa Jelic, Zeljko Sikman
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Publication number: 20170174567Abstract: The present invention provides substantially nonionic brush polymers having pendant polyether groups, preferably poly(alkylene glycol) groups, which polymers are useful as synthetic polymer substitutes for cellulose ethers in mortars and hydraulic binders. The brush polymers are preferably crosslinked, such as with ethylene glycol di(meth)acrylates.Type: ApplicationFiled: March 27, 2015Publication date: June 22, 2017Applicants: Dow Europe GmbH, Dow Wolff Cellulosics GmbH & Co. OHG, The Dow Chemical CompanyInventors: Robert Baumann, Adam W. Freeman, Philip M. Imbesi, Marc Schmitz, Hongwei Shen, Wei-Wen Tsai, Sipei Zhang
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Publication number: 20170107149Abstract: The present invention provides aqueous compositions that are stable after at least a 24 hour period comprising a polysaccharide viscosity modifying additive and more than 60 wt. %, based on the weight of total solids in the compositions of one or more polycarboxylate ether, the compositions comprising an acid chosen from an organic acid having 1 hydroxy group or less, a strong acid containing a single hydrogen, an ascorbic acid, and mixtures thereof, the compositions having a pH of less than the pH of the polycarboxylate ether itself, or from 1.0 to 6.0. The present invention enables stable concentrates of aqueous polycarboxylate ethers and polysaccharide viscosity modifying agents for use in hydraulic binder applications, the compositions having a total solids content of 10 wt. % to as high as 65 wt. %.Type: ApplicationFiled: March 27, 2015Publication date: April 20, 2017Applicants: Dow Europe GmbH, Dow Wolff Cellulosics GmbH & Co. OHG, The Dow Chemical CompanyInventors: Robert Baumann, Marc Schmitz, Anette Wagner
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Publication number: 20170037266Abstract: The present invention is a composition comprising a stable aqueous dispersion of polymer particles and a sorbate ester, which is a liquid at 20° C. and has a molecular weight in the range of 125 to 500 g/mol. The composition of the present invention provides a way to enhance film formation of coatings prepared using relatively high Tg latexes without the aid of high volatile organic content (VOC) coalescents.Type: ApplicationFiled: April 16, 2014Publication date: February 9, 2017Applicants: The Dow Chemical Company, Dow Chemical (China) Investment Company LimitedInventors: Steven Arturo, Selvanathan Arumugam, Kebede Beshah, David Conner, John Ell, Ralph C. Even, Fujun Lu, Bo Lu, Brandon Rowe, Justin Sparks, Jianping Xu, Jiguang Zhang
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Publication number: 20170022402Abstract: An epoxy adhesive composition is provided that has superior wash-off resistance after pre-gelling, and may be used, for example, in manufacturing processes, for example, in the automobile industry. The composition also provides unique viscosity profile after pre-gelling to significantly reduce failure mode in subsequent processing steps. In preferred embodiments the adhesive composition comprises an epoxy type resin and a gelling agent selected from polyesterdiols and polyvinyl butyrals.Type: ApplicationFiled: March 19, 2015Publication date: January 26, 2017Applicants: Dow Europe GmbH, Dow Deutschland Vertriebs GmbH & Co. OHG, The Dow Chemical CompanyInventors: Andreas Lutz, Jeannine Flueckiger, Benjamin Alexander Haag, Regina Ditschuneit
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Publication number: 20160369038Abstract: A new polyurethane (PU) adhesive composition having unique properties in automotive related applications such as composite bonding.Type: ApplicationFiled: July 24, 2014Publication date: December 22, 2016Applicants: Dow Europe GmbH, The Dow Chemical CompanyInventors: Andreas A. Lutz, Daniel Schneider, Stefan Schmatloch, Ilona Caderas
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Publication number: 20160280951Abstract: The present invention provides aqueous polyolefin dispersion compositions for use in metal coatings, such as can coatings, comprising one or more polyolefin base polymer, one or more at least partially neutralized olefinic stabilizing agent having an acid number (AN) of from 80 to 250, preferably, a polyolefin stabilizing agent, such as an olefin-carboxylic acid copolymer or a blend of two such polymers, an optional coupling agent having an acid number (AN) of from 10 to 70 and a melt index of from 500 to 5,000,000 grams of polymer melt passing in 10 minutes through a heated syringe or cylinder at 190° C. with a plunger loaded with 2.16 kg, preferably, a polymer, and a hindered phenolic antioxidant containing an ester linkage dispersed in the polyolefin dispersion composition.Type: ApplicationFiled: March 9, 2016Publication date: September 29, 2016Applicants: Dow MF Produktions GmbH & Co. OHG, The Dow Chemical CompanyInventors: Ray E. Drumright, Bernhard Kainz, Richard A. Lundgard, Cynthia Stants, Houxiang Tang, Jeffrey Wilbur
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Patent number: 9404005Abstract: The disclosure provides a process for producing a material with improved breakdown strength. The process includes heating a polymeric composition composed of a low density polyethylene (LDPE) and a minority amount of a high density polyethylene (HDPE). The polymeric composition is heated to at least the melting temperature of the HDPE. The process includes control-cooling the heated polymeric composition at a cooling rate from 0.1° C./min to 20° C./min, and forming a polymeric composition. The control-cooled polymeric composition has a unique morphology which improves breakdown strength. Also provided is a coated conductor with an insulating layer composed of the polymeric composition with the unique morphology. The insulating layer exhibits improved breakdown strength.Type: GrantFiled: September 23, 2011Date of Patent: August 2, 2016Assignees: Dow Global Technologies LLC, Dow Chemical Company Limited, University of Southampton, GnoSys Global Ltd.Inventors: Simon Sutton, Theo E. Geussens, Alun Vaughan, Gary Stevens
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Patent number: 9334374Abstract: Polymer blends of polypropylene homopolymer and propylene-?-olefin interpolymer. Processes for producing polymeric compositions comprising control-cooling heated blends of polypropylene and propylene-?-olefin interpolymer. Such polymeric compositions can be employed in forming coated wires and cables.Type: GrantFiled: February 22, 2013Date of Patent: May 10, 2016Assignees: Dow Global Technologies LLC, Dow Chemical Company Limited, University of Southhampton, GnoSys Global Ltd.Inventors: Simon Sutton, Theo E. Geussens, Alun Vaughan, Gary Stevens
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Publication number: 20160114047Abstract: A composition designed for application to a mucosa comprises a tonicity-adjusting agent, a methylcellulose, and a liquid diluent, wherein the methylcellulose has anhydroglucose units joined by 1-4 linkages wherein hydroxy groups of anhydroglucose units are substituted with methyl groups such that s23/s26 is 0.36 or less, wherein s23 is the molar fraction of anhydroglucose units wherein only the two hydroxy groups in the 2- and 3-positions of the anhydroglucose unit are substituted with methyl groups and wherein s26 is the molar fraction of anhydroglucose units wherein only the two hydroxy groups in the 2- and 6-positions of the anhydroglucose unit are substituted with methyl groups.Type: ApplicationFiled: July 16, 2014Publication date: April 28, 2016Applicants: Dow Global Technologies LLC, Dow Wolff Cellulosics GmbH & Co. OHG, The Dow Chemical Company, Union Carbide Chemicals & Plastics Technology LLCInventors: Jaime Curtis-Fisk, Susan L. Jordan, True L. Rogers, Matthias Knarr, Meinolf Brackhagen, Roland Adden
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Patent number: 9302257Abstract: A process for the preparation of a catalyst for the use in a hydrocarbon conversion reaction, said catalyst containing a titanium zeolite and carbonaceous material, the catalyst containing said carbonaceous material in an amount of from 0.01 to 0.5% by weight based on the total weight of titanium zeolite contained in the catalyst, the process comprising (i) preparing a catalyst containing the titanium zeolite and (ii) depositing carbonaceous material on the catalyst according to (i) in an amount of from 0.01 to 0.5% by weight based on the total weight of titanium zeolite contained in the catalyst by contacting said catalyst, prior to using the catalyst in said hydrocarbon conversion reaction, with a fluid containing at least one hydrocarbon in an inert atmosphere, to obtain the carbonaceous material containing catalyst, wherein in (ii), the catalyst is not contacted with an oxygen containing gas.Type: GrantFiled: November 26, 2010Date of Patent: April 5, 2016Assignees: BASF SE, The Dow Chemical CompanyInventors: Ulrich Müller, Peter Rudolf, Georg Krug, Rainer Senk
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Publication number: 20150367258Abstract: A filter assembly (10) including a first (12) and second (14) filtration element positioned in an abutting end-to-end arrangement along a common axis (X). Both filtration elements (12, 14) include a cylindrical housing (16, 16?) enclosing a filtration media and extending along the axis (X) between opposing ends, and an end cap (18, 20, 18?, 20?) located at each of the abutting ends of the filtration elements (12, 14) and comprising an annular surface (28, 28?) co-extensive with the housing (16, 16?) and an annular stepped edge (29, 29?). The first (12) and second (14) filtration elements are positioned with their end caps (18, 20?) directly engaged with each other so that the stepped edges (29, 29?) collectively form a continuous annular groove (31) about the periphery of the filter assembly (10). The annular groove (31) provides an effective means for handling filtration elements without increasing the overall length of end cap.Type: ApplicationFiled: January 27, 2014Publication date: December 24, 2015Applicants: Filmtec Corporation, The Dow Chemical Company, Dow Global Technologies LLCInventors: Jon E. Johnson, Christopher J. Siler, Robert K. McIntyre
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Publication number: 20150353807Abstract: The hydration of clays and shale in drilling operations may be inhibited by employing an aqueous based drilling fluid comprising a shale hydration inhibition agent comprising a polyaminopolyamide-epichlorohydrin resin, preferably the polyamino polyamide-epichlorohydrin resin is a reaction product of an aliphatic polyamine, an aliphatic polycarboxylic acid, and epichlorohydrin. The shale hydration inhibition agent should be present in the aqueous based drilling fluid in sufficient concentration to reduce the reactivity, such as swelling, of clays and shale when exposed to water-based drilling fluids.Type: ApplicationFiled: January 27, 2014Publication date: December 10, 2015Applicants: The Dow Chemical Company, Dow Chemical International PVT. LTD., Dow International Technology CorporationInventors: Cole A. Witham, Michael K. Poindexter, Stephen W. King, Prashant Tatake
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Publication number: 20150314224Abstract: A filtration element including a cylindrical housing enclosing a fluid filtration media extending along an axis (X) between opposing ends with a first and second end cap located at each end, wherein each end cap includes: i) an annular surface co-extensive with the housing, and ii) outer face laying in a plane perpendicular with the axis (X). The outer face of at least one end cap comprises an annular groove. A face seal including a base is located within the annular groove. A flexible lip extends axially from the base and axially beyond the outer face of the end cap and is adapted to engage with an abutting outer face of an end cap of an adjacently positioned filtration element.Type: ApplicationFiled: October 9, 2013Publication date: November 5, 2015Applicants: DOW GLOBAL TECHNOLOGIES LLC, FILMTEC CORPORATION, THE DOW CHEMICAL COMPANYInventors: Jon E. Johnson, Matthew D. Mittag
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Publication number: 20150299077Abstract: Provided is a process for preparing a diaryl ether compound through the dehydration of an aromatic alcohol compound in the presence of a dehydration catalyst. The dehydration catalyst is an oxide of a heavy rare earth element, wherein the heavy rare earth element is terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, or mixtures thereof.Type: ApplicationFiled: May 29, 2013Publication date: October 22, 2015Applicant: The Dow Chemical CompanyInventors: David G. Barton, Adam Chojecki, Paul R. Elowe, Beata A. Kilos