Patents Assigned to Dow Global Technologies LLC
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Publication number: 20260249274Abstract: An oxidative dehydrogenation catalyst having: a structure having a formula MouVvNbwSbyBizOx, where u is 1, v is from 0.1 to 0.5, w is from 0.001 to 0.3, y is from 0.001 to 0.2, z is from 0.03 to 0.2, and x is the oxygen content required to charge-balance the structure. The oxidative dehydrogenation catalyst comprises a crystalline structure (Pba2-32 space group) characterized by reflections determined with Cu—K? X-ray diffraction (XRD) as in Table (1).Type: ApplicationFiled: February 22, 2024Publication date: August 27, 2026Applicant: Dow Global Technologies LLCInventors: Glenn Pollefeyt, Miguel Rivera, Mark H. McAdon, Alexey Kirilin, Adam Chojecki, Kevin Blann, Andrzej Malek
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Publication number: 20260250581Abstract: This disclosure relates to processes for preparing C2 to C4 hydrocarbons comprising introducing a feed stream comprising hydrogen gas and a carbon-containing gas selected from the group consisting of carbon monoxide, carbon dioxide, and mixtures thereof into a reaction zone of a reactor, and converting the feed stream into a product stream comprising C2 to C4 hydrocarbons in the reaction zone in the presence of a hybrid catalyst. The hybrid catalyst comprises a metal oxide catalyst component supported on zirconia and a microporous catalyst component.Type: ApplicationFiled: July 13, 2023Publication date: August 27, 2026Applicants: Dow Global Technologies LLC, Dow Silicones CorporationInventors: Vera Santos, Glenn Pollefeyt, Andrzej Malek, David F. Yancey, Ewa A. Tocha-Bielak, Steven J. Rozeveld, Stuart Leadley, Alexey Kirilin, Adam Chojecki
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Patent number: 12715947Abstract: The present invention is a composition comprising an aqueous dispersion of copolymer particles comprising structural units of a) an acrylate monomer; b) an acid monomer; and c) a siloxane-acrylate monomer of formula I: where R, R1, R2, Y and x are defined herein. The composition, which also comprises a nonionic and anionic surfactant as described herein, is useful in a variety of applications ranging from architectural coatings to personal care products.Type: GrantFiled: February 10, 2021Date of Patent: August 25, 2026Assignees: Rohm and Haas Company, Dow Silicones Corporation, Dow Global Technologies LLCInventors: Hilda G. Buss, Matthew Carter, Ralph C. Even, Jason S. Fisk, Matthew Jeletic, Tzu-Chi Kuo, Tian Lan, Nanguo Liu, Bryan L. McCulloch, Jodi Mecca, Arash R. Nowbahar, Tanvi S. Ratani, Muhunthan Sathiosatham, Richard P. Woodworth, Fanwen Zeng
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Patent number: 12715973Abstract: An extruded foam includes an ethylene-based polymer composition comprising a polymerized ethylene-base monomer with hydrocarbon-based molecules having the following formula (I), where n is from 3 to 160 and m is from 0 to 50.Type: GrantFiled: November 24, 2021Date of Patent: August 25, 2026Assignee: Dow Global Technologies LLCInventors: Bharat I. Chaudhary, Jian Yang, Arkady L. Krasovskiy
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Patent number: 12715994Abstract: A silicone composition comprising (A) an electrically conductive filler, (B) a polydiorganosiloxane polymer, (C) a polyorganohydrogensiloxane, (D) a hydrosilylation reaction catalyst, (E) a polymer additive, and optionally (F) a hydrosilylation reaction inhibitor has a low complex viscosity upon admixing and upon cure provides a high electrical conductivity and good electrical conductivity retention after heat aging.Type: GrantFiled: December 23, 2020Date of Patent: August 25, 2026Assignees: DOW GLOBAL TECHNOLOGIES LLC, DOW SILICONES CORPORATIONInventors: Wenjie Chen, Yifan Xu, Hua Ren, Fengyi Su, Joseph Ronald Sootsman
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Patent number: 12715984Abstract: A composition comprising at least the following: a first composition comprising components a and b: a) a first ethylene/alpha-olefin interpolymer comprising an I2?100 dg/min, and a density ?0.880 g/cc, and b) a second ethylene/alpha-olefin interpolymer comprising an I2>100 dg/min; and wherein the first composition meets the following relationship: y<1.26 ln(x)?3.90, where y=weight ratio of the second interpolymer to the first interpolymer, and x=the I2 ratio of the second interpolymer to the first interpolymer; and wherein the composition comprises ?60 wt % of the sum of the first interpolymer and the second interpolymer, based on the weight of the composition.Type: GrantFiled: December 16, 2021Date of Patent: August 25, 2026Assignee: Dow Global Technologies LLCInventors: Stacy L. Pesek, Yushan Hu, Yi Jin
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Publication number: 20260242673Abstract: A method of decoking a cracking furnace includes: heating the cracking furnace to a specified average temperature; injecting a gas mixture including air and steam through the at least one tube at a first air to steam ratio; injecting the gas mixture through the at least one tube at a second air to steam ratio upon observing a decrease in the outlet point temperature from the first temperature; and combusting at least a second portion of the coke on the internal surface of the at least one tube. Additionally, the outlet point temperature does not exceed the specified average temperature; the second air to steam ratio is greater than the first air to steam ratio; and the cracking furnace includes at least one tube for transferring a feed, the at least one tube entering the cracking furnace at an inlet point and exiting the cracking furnace at an outlet point.Type: ApplicationFiled: October 25, 2022Publication date: August 20, 2026Applicant: Dow Global Technologies LLCInventors: Mark B. Davis, Rami H. Sabbah, Georgios Bellos, Quan Yuan, Ernest R. Frank, Liwei Li
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Publication number: 20260242651Abstract: The present disclosure relates to a composition and method for preparing microencapsulated phase change materials. The composition comprises oil phase a component and a water phase component; (1) the oil phase component comprises, based on the total weight of the oil phase component: —from 40 wt % to 99 wt % of phase change materials; —from 0.5 wt % to 30 wt % of aliphatic isocyanates having at least two NCO-functional groups; and —from 0.5 wt % to 30 wt % of aromatic isocyanates having at least two NCO-functional groups; (2) the water phase component comprises: —water in amount of at least 3 times the total weight of the oil phase component and —water soluble amine compounds having at least two NH-functional groups, wherein the mole ratio of NH— to NCO— is from 0.5:1 to 3:1. The method is a robust and efficient process, which does not require any organic solvents or surfactants.Type: ApplicationFiled: October 28, 2023Publication date: August 20, 2026Applicant: Dow Global Technologies LLCInventors: Minbiao Hu, Liang Zhang, Jiguang Zhang, Wei Li
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Publication number: 20260242576Abstract: Embodiments of processes for producing upgraded post-consumer recycled polyethylene (PCR PE) may include melt blending non-pelletized PCR PE with virgin polyethylene in an extruder to produce a PCR/virgin blend, and melt filtering the PCR/virgin blend to remove contaminants and produce the upgraded PCR PE.Type: ApplicationFiled: February 22, 2024Publication date: August 20, 2026Applicant: Dow Global Technologies LLCInventors: Amit K. Chaudhary, Qi Chen
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Publication number: 20260234377Abstract: Embodiments of formulations, for example, polymer processing aid formulations, may include at least at least 95 wt. % of ethylene-based polymer, polymeric phosphite, substituted polydimethylsiloxane (PDMS), and at least 500 ppmw of polyalkylene glycol.Type: ApplicationFiled: January 24, 2024Publication date: August 13, 2026Applicant: DOW GLOBAL TECHNOLOGIES LLCInventors: Mubashir Qamar Ansari, Amit K. CHAUDHARY, Akanksha GARG, Kurt A. KOPPI, Eric L. MARCHBANKS, Alexander WILLIAMSON
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Publication number: 20260233168Abstract: A method of manufacturing a carbon molecular sieve (CMS) membrane may comprise forming a copolymer into one or more hollow fibers or one or more microcapillary films, the copolymer selected from one or more of a polyvinylidene chloride (PVDC) copolymer, a polyimide copolymer, polyetherimide copolymer, a polyacrylonitrile copolymer, and a poly(phenylene oxide) copolymer; pyrolyzing the one or more hollow fibers or the one or more microcapillary films at a second temperature of from 600° C. to 700° C. with inert gas or under vacuum; and annealing the one or more hollow fibers or the one or more microcapillary films at a third temperature of from 900° C. to 1500° C. with inert gas or under vacuum; oxidizing the one or more hollow fibers or the one or more microcapillary films at a fourth temperature of from 300° C. to 400° C. with air.Type: ApplicationFiled: February 13, 2024Publication date: August 13, 2026Applicant: Dow Global Technologies LLCInventors: Junqiang Liu, Dean M. Millar, Kurt A. Koppi
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Publication number: 20260233172Abstract: A method of manufacturing a carbon molecular sieve (CMS) membrane may comprise forming a copolymer into one or more hollow fibers or one or more microcapillary films, the copolymer selected from one or more of a polyvinylidene chloride (PVDC) copolymer, a polyimide copolymer, polyetherimide copolymer, a polyacrylonitrile copolymer, and a poly(phenylene oxide) copolymer; pyrolyzing the one or more hollow fibers or the one or more microcapillary films at a second temperature of from 600° C. to 700° C. with inert gas or under vacuum; annealing the one or more hollow fibers or the one or more microcapillary films at a third temperature of from 900° C. to 1500° C. with inert gas or under vacuum; oxidizing the one or more hollow fibers or the one or more microcapillary films at a fourth temperature of from 700° C. to 900° C. with carbon dioxide.Type: ApplicationFiled: February 13, 2024Publication date: August 13, 2026Applicant: DOW GLOBAL TECHNOLOGIES LLCInventors: Junqiang Liu, Dean M. Millar, Kurt A. Koppi, Surendar R. Venna, Yi Fan
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Patent number: 12703788Abstract: In various embodiments, a thermoplastic composition may comprise from 0.5 wt. % to 75.0 wt. % of recycled polyethylene comprising a blend of polyethylene recovered from post-consumer material, pre-consumer material, or combinations thereof, and from 25.0 wt. % to 99.5 wt. % of virgin raw polyethylene comprising unimodal polyethylene, bimodal polyethylene, or combinations thereof, wherein at least 90.0 wt. % of the thermoplastic composition is comprised of the post-consumer recycled polyethylene and the virgin raw polyethylene. Manufactured articles made from the thermoplastic composition, such as coated conductors, are also provided.Type: GrantFiled: July 7, 2021Date of Patent: August 11, 2026Assignee: Dow Global Technologies LLCInventors: Paul J. Brigandi, Mohamed Esseghir, Kumar N. Sanketh, Chuan C. He, Mridula Kapur, Andrew T. Heitsch, John F. Szul
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Patent number: 12703674Abstract: The present invention relates generally to gas phase processes for producing carboxylic acids or alkyl esters. In one embodiment, a gas phase process for producing a carboxylic acid or an alkyl ester comprises (a) providing a catalyst support comprising deposits of cobalt thiocyanate on at least a portion of the catalyst support; (b) heating the catalyst support to convert the cobalt thiocyanate on the support to cobalt sulfide to form a supported cobalt sulfide catalyst; and (c) reacting alkene gas, steam or an alkanol gas, and a carbon-containing gas in the presence of the supported cobalt sulfide catalyst in a reactor to form a product stream, wherein the carbon-containing gas comprises carbon monoxide or a mixture of carbon monoxide and carbon dioxide, wherein when steam is used as a reactant, the product stream comprises a carboxylic acid, and wherein when alkanol gas is used as a reactant, the product stream comprises an alkyl ester.Type: GrantFiled: June 2, 2022Date of Patent: August 11, 2026Assignee: Dow Global Technologies LLCInventors: Alexey Kirilin, Beata A. Kilos, Wen-Sheng Lee, David G. Barton
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Patent number: 12703827Abstract: The present disclosure provides a composition. In an embodiment, the composition includes 2-heptylundecanol; a member selected from the group consisting of 2-ethyhexanol and 2-propylheptanol; and a mixture of an alcohol (1) and an alcohol (2), alcohol (1) having the Structure (1) wherein R1 is selected from the group consisting of an ethyl group and a propyl group, R2 and R3 each independently is selected from the group consisting of hydrogen and an alkyl group, with the proviso that the total number of carbon atoms of R1 and R2 is 7, and alcohol (2) having the Structure (2) wherein R4 is selected from the group consisting of an n-propyl group, an isopropyl group, an n-butyl group, and an isobutyl group.Type: GrantFiled: May 27, 2021Date of Patent: August 11, 2026Assignee: Dow Global Technologies LLCInventors: Wanglin Yu, Michael A. Brammer, Sally Demaio-Turner, Sung-Yu Ku, Bruce D. Hook, Haifeng Shi, Jin Yang, Yujun Liu, Jeff Johnson
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Publication number: 20260225079Abstract: An oxidative dehydrogenation catalyst having: a structure having a formula MovVwAyBizOx, where v is 1, w is from 0.2 to 0.5, A is W or Ta, y is from 0.001 to 0.3, z is from 0.01 to 0.3, and x is the oxygen content required to charge-balance the structure. The oxidative dehydrogenation catalyst comprises a crystalline structure (Pba2-32 space group) characterized by reflections determined with Cu—K? X-ray diffraction (XRD) as follows: 2? (±0.3°)Rel. Intensity (%) 5.30.2-10 6.61.5-15 7.842.5-45 8.954-21 22.17100 27.Type: ApplicationFiled: February 22, 2024Publication date: August 6, 2026Applicant: Dow Global Technologies LLCInventors: Glenn Pollefeyt, Miguel Rivera, Kevin Blann, Alexey Kirilin, Andrzej Malek, Varun Singh, Adam Chojecki
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Publication number: 20260226211Abstract: Processes of making a multimodal ethylene-based copolymer. The processes include adding ethylene, at least one olefinic monomer, at least a first catalyst system, and less than 0.3 mol % hydrogen gas to a solution polymerization reactor to create an effluent feed at a reactor temperature of greater than or equal to 100° C. The effluent feed and a second catalyst system is fed to a second reactor absent fresh feed and absent hydrogen gas. At least one of the first catalyst system and the second catalyst system have a chain transfer constant of from 0.005 to 1.0. The multimodal ethylene-based copolymer comprises a high molecular weight fraction, meaning the molecular weight fraction that is greater than 500,000 g/mol, from 8% to 50% based on the total percent of the multimodal ethylene-based copolymer.Type: ApplicationFiled: June 13, 2024Publication date: August 6, 2026Applicant: Dow Global Technologies LLCInventors: Mari S. Rosen, Philip P. Fontaine, Jerzy Klosin, Edmund M. Carnahan, Alec Y. Wang, Yolanda A. Daza, Fawzi G. Hamad, Paul Balding, Joana Amaral Pereira
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Patent number: 12697294Abstract: A hair care formulation is provided, comprising: a dermatologically acceptable vehicle; a dermatologically acceptable oil; and a deposition aid polymer, wherein the deposition aid polymer is a dextran polymer functionalized with an amine group; wherein the dextran polymer has a weight average molecular weight of 100,000 to 650,000 Daltons; and wherein the deposition aid polymer enhances deposition of the dermatologically acceptable oil from the hair care formulation onto mammalian hair.Type: GrantFiled: March 17, 2021Date of Patent: August 4, 2026Assignees: DOW GLOBAL TECHNOLOGIES LLC, ROHM AND HAAS COMPANYInventors: Lu Bai, Nikhil J. Fernandes, Emmett M. Partain, III, Lyndsay M. Leal, Binghe Gu, Jennifer P. Todd, Peilin Yang
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Publication number: 20260216679Abstract: Chemical processing vessels and methods for their operation are disclosed herein. A chemical processing vessel may be operated by a method including contacting a chemical reactant with a fluidized particulate in the chemical processing vessel to form a chemical product, wherein the fluidized particulate and the chemical reactant moves in a generally upward direction through the chemical processing vessel. The chemical processing vessel may include an exterior vessel wall forming a continuous passage extending therethrough, wherein the exterior vessel wall has a wall temperature of less than 350° C. during operation. The exterior vessel wall may include a riser wall having a substantially continuous cross-sectional shape, a frustum wall positioned below the riser wall and having a variable cross-sectional shape extending radially outwardly from the riser wall, and a transition region between the riser wall and the frustum wall.Type: ApplicationFiled: October 27, 2023Publication date: July 30, 2026Applicant: Dow Global Technologies LLCInventors: Matthew T. Pretz, John Peterson, Donald F. Shaw, Fermin Alejandro Sandoval, Albert Meza
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Patent number: 12692374Abstract: Various embodiments described herein are directed to a polymer composition comprising polyethylene and a reaction product of the copolymerization of the ethylene and (meth)acrylic ester functionalized polysiloxane, and optionally one or more units derived from a termonomer. Articles made from the polymer composition and methods of making the polymer composition are also described.Type: GrantFiled: September 16, 2021Date of Patent: July 28, 2026Assignees: Dow Global Technologies LLC, Dow Silicones CorporationInventors: Arkady L. Krasovskiy, John O. Osby, Andrew Heitsch, Eric Joffre, Nanguo Liu, Brian Dorvel, Alexandra Frankel