Patents Assigned to Dow Global Technologies LLC
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Patent number: 11952491Abstract: 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: GrantFiled: September 30, 2019Date of Patent: April 9, 2024Assignees: Dow Global Technologies LLC, DOW TURKIYE KIMYA SANAYI VE TICARET LTD SIRKETIInventors: Rossella Riccio, Elena Ferrari, Luigi Bertucelli, Esma Atlandi, Giuseppe Vairo
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Patent number: 11951648Abstract: 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: GrantFiled: May 21, 2021Date of Patent: April 9, 2024Assignee: Dow Global Technologies LLCInventors: Stephen W. King, Xue Chen
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Patent number: 11945194Abstract: 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: GrantFiled: December 10, 2019Date of Patent: April 2, 2024Assignees: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Ronald Wevers, Raul Sharma, Kyle E. Hart, Mridula Kapur, Michaeleen L. Pacholski
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Patent number: 11945902Abstract: 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: GrantFiled: September 21, 2018Date of Patent: April 2, 2024Assignees: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Daoshu Lin, Baoqing Zheng, Jia Tang, Dong Yun, Shujun Shu, Gary W. Dombrowski
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Patent number: 11945772Abstract: 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: GrantFiled: September 29, 2020Date of Patent: April 2, 2024Assignee: Dow Global Technologies LLCInventors: Wen-Sheng Lee, Mingzhe Yu, Jing L. Houser, Sung-Yu Ku, Wanglin Yu, Stephen W. King, Paulami Majumdar, Le Wang
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Patent number: 11945945Abstract: 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: GrantFiled: May 22, 2019Date of Patent: April 2, 2024Assignees: Dow Global Technologies LLC, Regents of The University of MinnesotaInventors: Kunwei Liu, Alex Michael Jordan, Christopher John Ellison, Christopher Ward Macosko, Christopher M. Thurber, Wenyi Huang, Thomas H. Peterson
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Patent number: 11945635Abstract: 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: GrantFiled: May 28, 2020Date of Patent: April 2, 2024Assignee: Dow Global Technologies LLCInventors: Marc S. Black, Liangkai Ma, Simon Jespersen, Muhammad Ali Siddiqui, Chad V. Schuette, Brian W. Walther, Fabrice Digonnet
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Patent number: 11945903Abstract: 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: GrantFiled: July 7, 2020Date of Patent: April 2, 2024Assignee: Dow Global Technologies LLCInventors: Yinzhong Guo, Xue Chen, Stephen W. King
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Publication number: 20240100813Abstract: 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: ApplicationFiled: April 30, 2021Publication date: March 28, 2024Applicant: Dow Global Technologies LLCInventors: Shenglong Chen, Weiming Ma, Jingyi Xu
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Publication number: 20240100496Abstract: 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: ApplicationFiled: December 14, 2021Publication date: March 28, 2024Applicant: Dow Global Technologies LLCInventors: Matthew T. Pretz, Donald F. Shaw, Richard Edwards Walter, Fermin Alejandro Sandoval, Albert Meza
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Publication number: 20240100510Abstract: 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: ApplicationFiled: December 15, 2021Publication date: March 28, 2024Applicant: Dow Global Technologies LLCInventors: Lin Luo, Yang Yang, Matthew T. Pretz
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Patent number: 11939457Abstract: Embodiments are directed to polymer blends and molded articles including polymer blends. Embodiments of the polymer blend may include 1 to 40 wt. % of a crystalline block composite and from 60 wt. % to 99 wt. % of an ionomer formed from a partially neutralized precursor acid copolymer. The crystalline block composite may include an EP-iPP diblock polymer, an isotactic polypropylene homopolymer, and a copolymer of ethylene and propylene. The crystalline block composite may include greater than 50 wt. % of the isotactic polypropylene homopolymer. The precursor acid copolymer may include copolymerized units of ethylene and 5 wt. % to 30 wt. %, based on the total weight of the precursor acid copolymer, of copolymerized units of an ?,?-ethylenically unsaturated carboxylic acid having 3 to 8 carbon atoms. About 25% to about 65% of the acid groups derived from the ?,?-ethylenically unsaturated carboxylic acid of the precursor acid copolymer may be neutralized.Type: GrantFiled: August 27, 2020Date of Patent: March 26, 2024Assignee: Dow Global Technologies LLCInventors: Xian Jiang, Yushan Hu
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Patent number: 11938202Abstract: 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: GrantFiled: June 3, 2019Date of Patent: March 26, 2024Assignee: Dow Global Technologies LLCInventors: Sandeep S. Gadgil, Rishikesh Deshmukh, Deepak Dandekar
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Patent number: 11939137Abstract: A flexible container (10) is disclosed. The flexible container (10) includes four panels (18, 20, 22, 24), each panel comprising a flexible multilayer film. Each flexible multilayer film is composed of a polymeric material. The four panels form (i) a body, (ii) a neck, and (iii) a handle. The handle (12) has an upper handle portion (12a) and a pair of spaced-apart legs (13, 15). The legs extend from the upper handle portion to the body on opposing sides of the neck. The flexible container includes a fitment (70) sealed to the neck. The flexible container includes a dispensing pump (100) attached to the fitment. The flexible container can provide a metered dose from a dispensing pump and the dispensing pump can also function as a handle to hand-carry the flexible container.Type: GrantFiled: November 30, 2018Date of Patent: March 26, 2024Assignee: Dow Global Technologies LLCInventors: Sheng Li, Bin Li, Brian W. Walther, Marc S. Black
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Patent number: 11939555Abstract: A fabric care composition is provided including water; a modified carbohydrate polymer having a weight average molecular weight of <500,000 Daltons and a Kjeldahl nitrogen content corrected for ash and volatiles, TKN, of ?0.5 wt %; and a cleaning surfactant; wherein the modified carbohydrate polymer is a carbohydrate polymer functionalized with quaternary ammonium moieties; wherein the quaternary ammonium moieties on the modified carbohydrate polymer include: trimethyl ammonium moieties having formula (I) and dimethyl(alkyl) ammonium moieties having formula (II) wherein each R is independently selected from a C8-22 alkyl group.Type: GrantFiled: August 29, 2019Date of Patent: March 26, 2024Assignees: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Emmett M. Partain, III, Jan E. Shulman, Aline Migliore, Yunshen Chen, John Hayes, Asghar A. Peera, Peilin Yang, Mariann Clark, Stephen J. Donovan, Jennifer P. Todd, Cynthia Leslie
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Patent number: 11939498Abstract: The present disclosure is directed to a two-component bonding agent composition and a process for applying a layer of the bonding agent composition to substrate layers to make laminates.Type: GrantFiled: April 11, 2017Date of Patent: March 26, 2024Assignees: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Mai Chen, Yuanjia Pan, Xinhong Wang, Gaobing Chen, Xinchun Liu
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Patent number: 11939411Abstract: Ethylene-based polymers of this disclosure include an average g? less than 0.86, where the average g? is an intrinsic viscosity ratio determined by gel permeation chromatography using a triple detector; and a molecular weight tail quantified by an MWD area metric, ATAIL, and ATAIL is less than or equal to 0.04 as determined by gel permeation chromatography using a triple detector.Type: GrantFiled: September 27, 2019Date of Patent: March 26, 2024Assignee: Dow Global Technologies LLCInventors: Daniel J. Arriola, Robert D. J. Froese, Teresita Kashyap
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Patent number: 11939486Abstract: An aqueous dispersion of polymeric particles comprising an emulsion polymer and a polyalkylene oxide with a weight average molecular weight in the range of 450 to 1,500 g/mole, and an aqueous coating composition with low VOCs comprising the aqueous dispersion and providing coatings made therefrom with improved water whitening resistance and hardness.Type: GrantFiled: October 16, 2018Date of Patent: March 26, 2024Assignees: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Yan Li, Junyu Chen, Cheng Shen, James C. Bohling, Zhi Juan Gong, Tao Wang
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Patent number: 11938709Abstract: 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: GrantFiled: May 15, 2019Date of Patent: March 26, 2024Assignee: Dow Global Technologies LLCInventors: Luis Alberto Santini, Radisa Boskovic, Peter Hermann Roland Sandkuehler, Ramon Pradas Cortina, Marti Nogué I Arbusa, Carlos Almor Morujo
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Patent number: 11939146Abstract: Embodiments of the present disclosure are directed to multilayer silo bags that may include a tube comprising at least two layers, a first open end, a second open end, and a first region and a second region disposed between the first and second end. One or more of the at least three layers may comprise an ethylene/alpha-olefin interpolymer having a density of 0.90 g/cc to 0.965 g/cc and an I2 of 0.1 to 6.0 g/10 minutes, a low density ethylene-based polymer having a density of 0.917 g/cc to 0.935 g/cc and an I2 of 0.1 to 2.0 g/10 minutes, or combinations thereof. The first region may have a thickness of at least 10% greater than a thickness of the second region. The first region may have a surface area that is at least 50% of an overall surface area of the multilayer silo bag.Type: GrantFiled: November 14, 2019Date of Patent: March 26, 2024Assignees: Dow Global Technologies LLC, PBBPolisur S.R.L.Inventors: Akanksha Garg, Ashishkumar S. Lokhande, Pavan Kumar Valavala, Jose Eduardo Ruiz, Maximiliano Zanetti, Kurt A. Koppi