Patents Assigned to Dow Global Technologies LLC
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Patent number: 11098000Abstract: A process for recovering methacrolein and methanol from methacrolein dimethyl acetal. The method comprises a step of contacting a mixture comprising methyl methacrylate and methacrolein dimethyl acetal with a strong acid ion exchange resin in the presence of water. The mixture comprises no more than 0.2 wt % sodium methacrylate.Type: GrantFiled: September 4, 2018Date of Patent: August 24, 2021Assignees: Dow Global Technologies LLC, Rohm andHaas CompanyInventors: Alan E. Sopchik, William G. Worley, Rajesh Shah
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Patent number: 11098183Abstract: A composition comprising an ethylene-based polymer which comprises the following properties: a) MWD(conv) from 3.0 to 7.0; b) an ADF IR between 0.230 and 0.260 for molecular weight ?15,000 g/mol c) 12 from 4.0 to 6.5 g/10 min.Type: GrantFiled: February 27, 2018Date of Patent: August 24, 2021Assignee: Dow Global Technologies LLCInventors: Teresa P. Karjala, Jose Ortega, Lori L. Kardos, David T. Gillespie, John N. Naumovitz, Chuan Yar Lai, Zachary L. Polk
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Patent number: 11098144Abstract: A composition comprising an ethylene/alpha-olefin/non-conjugated polyene, and wherein the ethylene/alpha-olefin/non-conjugated polyene comprises the following property: a “13C NMR % iCB Peak Area,” which is the {[(13C NMR peak area from 34.4 ppm to 34.6 ppm) divided by (the 13C NMR sum integral area from 160.0 to 100.0 and from 60.0 ppm to 0.00 ppm)]×100}, that is >0.010%, as determined by 13C NMR.Type: GrantFiled: June 30, 2017Date of Patent: August 24, 2021Assignee: Dow Global Technologies LLCInventors: Juan C. Tuberquia, Colin LiPiShan, Zhe Zhou
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Patent number: 11097307Abstract: The present invention relates to a method comprising the steps of: a) contacting an acrylate monomer, a carboxylic acid monomer, and a chain transfer agent under free radical polymerization conditions to form a solution of a polymer having an Mn in the range of from 5,000 to 50,000 Daltons; b) contacting the solution with a base and an ethylenically unsaturated glycidyl functionalized monomer to form a solution of an ethylenically unsaturated acrylate polymer; c) contacting the solution of the ethylenically unsaturated functionalized acrylate polymer with water to form an aqueous dispersion of ethylenically unsaturated functionalized acrylate polymers; and d) removing the organic solvent. The method of the present invention provides a composition suitable for use as a UV curable coating that achieves an excellent balance of hardness, flexibility, and warmth with less reliance on costly MFAs.Type: GrantFiled: June 5, 2019Date of Patent: August 24, 2021Assignees: Dow Global Technologies LLC., Rohm and Haas CompanyInventors: Eric C. Greyson, Charles R. Hegedus, Andrew Hejl, Rebecca L. Ladewski, Erin B. Vogel, Wenqin Wang
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Publication number: 20210253757Abstract: A method of producing bimodal ethylene-based polymer includes reacting ethylene monomer and C3-C12 ?-olefin comonomer in the presence of a first catalyst in an agitated reactor to produce a first polymer fraction, and outputting effluent from the agitated reactor. A second catalyst is added to the effluent downstream of the agitated reactor and upstream from a non-agitated reactor, the second catalyst facilitates production of a second polymer fraction having a density and melt index (I2) different from the first polymer fraction. The second catalyst and effluent are mixed in at least one mixer. The second catalyst, second polymer fraction, and the first polymer fraction are passed to the non-agitated reactor; and additional ethylene monomer, additional C3-C12 ?-olefin comonomer, and solvent are passed to the non-agitated reactor to produce more second polymer fraction and thereby the bimodal ethylene-based polymer.Type: ApplicationFiled: June 13, 2019Publication date: August 19, 2021Applicant: Dow Global Technologies LLCInventors: Timothy W. Gambel, Curvel Hypolite, Daniel S. Rynearson, Michael J. Zogg, Jr., Kyle E. Hart, Michael D. Turner, Jorge Rubalcaba, Pradeep Jain, Mehmet Demirors
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Publication number: 20210253869Abstract: A phosphate surfactant composition including a phosphate surfactant formed from a secondary alcohol alkoxylate.Type: ApplicationFiled: June 27, 2018Publication date: August 19, 2021Applicant: Dow Global Technologies LLCInventors: Cheng Shen, Jieying Chen, Zeyu Zhong
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Patent number: 11090852Abstract: The coextruded multilayer film has 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 0.865 g/cc to 0.930 g/cc and a melt index from 0.5 g/10 min to 25 g/10 min; (B) an unsaturated primary fatty acid amide having a melting point of 100° C. or less; and (C) a saturated primary fatty acid amide having a melting point greater than 100° C. The unsaturated primary fatty acid amide and the saturated primary fatty acid amide have a weight ratio of from 3:1 to 1:6. The second layer contains a second ethylene-based polymer. The present disclosure also provides a laminate containing said sealant layer.Type: GrantFiled: June 9, 2017Date of Patent: August 17, 2021Assignee: Dow Global Technologies LLCInventors: Fengyi Su, Andong Liu, Hongyu Chen, Jianping Pan, Xiao Bing Yun, Thomas Allgeuer, Erqiang Chen, Tipeng Zhao, Guihong Liao
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Patent number: 11091572Abstract: A modified Ziegler-Natta procatalyst that is a product mixture of modifying an initial Ziegler-Natta procatalyst with a molecular (pro)catalyst, and optionally an activator, the modifying occurring before activating the modified Ziegler-Natta procatalyst with an activator and before contacting the modified Ziegler-Natta procatalyst with a polymerizable olefin. Also, a modified catalyst system prepared therefrom, methods of preparing the modified Ziegler-Natta procatalyst and the modified catalyst system, a method of polymerizing an olefin using the modified catalyst system, and a polyolefin product made thereby.Type: GrantFiled: September 21, 2017Date of Patent: August 17, 2021Assignee: Dow Global Technologies LLCInventors: Linfeng Chen, Mehmet Demirors
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Publication number: 20210245146Abstract: Embodiments of the present disclosure are directed to methods of producing a hydrogen- selective oxygen carrier material comprising combining one or more core material precursors and one or more shell material precursors to from a precursor mixture and heat-treating the precursor mixture at a treatment temperature to form the hydrogen-selective oxygen carrier material. The treatment temperature is greater than or equal to 100° C. less than the melting point of a shell material, and the hydrogen- selective oxygen carrier material comprises a core comprising a core material and a shell comprising the shell material. The shell material may be in direct contact with at least a majority of an outer surface of the core material.Type: ApplicationFiled: August 27, 2019Publication date: August 12, 2021Applicant: Dow Global Technologies LLCInventors: Manish Sharma, Brian W. Goodfellow, David F. Yancey, Andrzej Malek, Eric E. Stangland
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Publication number: 20210245984Abstract: A slitting machine (500) includes a laminated film unwinding apparatus (540), a release liner recovery apparatus (550), a cutting apparatus (530), and a plurality of polymer substrate strip rewinding apparatuses (510, 520). The laminated film unwinding apparatus (540) is operable to unwind a roll of laminated film (542) comprising at least a polymer substrate (100) and a release liner (150). The release liner recovery apparatus (550) is operable to wind the release liner (150) that is released from the polymer substrate (100). The cutting apparatus (530) is operable to cut at least the polymer substrate (100) along a machine direction to divide the polymer substrate into strips. The plurality of polymer substrate strip rewinding apparatuses (510, 520) are operable to wind one or more strips of the polymer substrate (100) onto one or more rolls (512, 522). The slitting machine (500) is operable to carry out a method for forming rolls (512, 522) of coated films (100).Type: ApplicationFiled: May 22, 2019Publication date: August 12, 2021Applicants: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Juan Carlos Casarrubias, Jorge Caminero Gomes, Nicolas Cardoso Mazzola, Mateus Batista Torres Cipro
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Publication number: 20210246275Abstract: According to one or more embodiments disclosed herein, a coated film may include a polyolefin film and a coating. The polyolefin film may include an ethylene-based polymer. The coating may include an outer surface and an internal surface. The internal surface may be in contact with the polyolefin film. The coating may include polyurethane. The outer surface of the coating may be an outer surface of the coated film. At least a portion of a surface of the coated film that includes the coating may have a gloss of from 40 units to 100 units at 60° or a matte finish of 15 units to 30 units at 85°. The polyurethane may be formed from an isocyanate component having an isocyanate (NCO) content greater than 10%.Type: ApplicationFiled: May 22, 2019Publication date: August 12, 2021Applicants: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Juan Carlos Casarrubias, Jorge Caminero Gomes, Nicolas Cardoso Mazzola, Mateus Batista Torres Cipro, Mai Chen, Kevin K. Miyake
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Publication number: 20210246241Abstract: A cast film inducing a bimodal ethylene-based polymer having a high density fraction (HDF) from 3.0% to 10.0%, an I10/I2 ratio from 5.5 to 7.0, a short chain branching distribution (SCBD) less than or equal to 10° C., a density from 0.910 g/cc to 0.920 g/cc, and a melt index (I2) from 1.0 g/10 mins to 8.0 g/10 mins.Type: ApplicationFiled: June 13, 2019Publication date: August 12, 2021Applicant: Dow Global Technologies LLCInventors: Kyle E. Hart, Mehmet Demirors, Timothy W. Gambrel, Philip P. Fontaine, Vivek Kalihari, Hrishikesh R. Munj, Jon W. Hobson, Rajen M. Patel
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Publication number: 20210246234Abstract: The present disclosure provides for a separations system for separating ethylene, 2-methylbutane and at least one unsubstituted (C6-C12) hydrocarbon in a multi-component condensate mixture. The separations system includes a feed conduit in fluid communication with a source of the multi-component condensate mixture, a stripper column in fluid communication with the feed conduit, where the stripper column separates the multi-component condensate mixture into a heavies component mixture with at least one unsubstituted (C6-C12) hydrocarbon, and a top mixture having a medium component (s) that include at least the 2-methylbutane and a light component (s) that include at least the ethylene. The separations system further includes a flash drum that separates the top mixture into the medium component (s) and the light component (s). The separations system does not include a distillation column disposed between the source of the multi-component condensate mixture and the flash drum.Type: ApplicationFiled: June 12, 2019Publication date: August 12, 2021Applicant: Dow Global Technologies LLCInventors: Mark W. Blood, Brent J. Sherman
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Publication number: 20210246274Abstract: A blown film having a bimodal ethylene-based polymer including a high density fraction (HDF) from 3.0% to 25.0%, an I10/I2 ratio from 5.5 to 7.5, a short chain branching distribution (SCBD) less than or equal to 10 C, a zero shear viscosity ratio from 1.0 to 2.5, a density from 0.902 g/cc to 0.925 g/cc, and a melt index (I2) from 0.5 g/10 mins to 2.0 g/10 mins.Type: ApplicationFiled: June 13, 2019Publication date: August 12, 2021Applicant: Dow Global Technologies LLCInventors: Kyle E. Hart, Mehmet Demirors, Timothy W. Gambrel, Philip P. Fontaine, Vivek Kalihari, Francis O. Olajide, Jr., Rajen M. Patel
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Publication number: 20210246332Abstract: According to one or more embodiments of the present disclosure, a coated film may be made by a process that may include applying an uncured polyurethane precursor between a polyolefin film and a release liner such that a first surface of the release liner is in contact with the uncured polyurethane precursor, curing the uncured polyurethane precursor to form a cured polyurethane layer positioned between the polyolefin film and the release liner, and removing the release liner to form the coated film comprising the polyolefin film and the cured polyurethane layer. The first surface of the release liner may have an optical finish. The curing may impart an optical finish to the cured polyurethane layer substantially similar to the optical finish of the first surface of the release liner.Type: ApplicationFiled: May 22, 2019Publication date: August 12, 2021Applicants: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Juan Carlos Casarrubias, Jorge Caminero Gomes, Nicolas Cardoso Mazzola, Mateus Batista Torres Cipro, Mai Chen, Kevin K. Miyake
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Publication number: 20210246288Abstract: A bimodal ethylene-based polymer, including a high density fraction (HDF) from 3.0% to 25.0%, wherein the high density fraction is measured by crystallization elution fractionation (CEF) integration at temperatures from 93° C. to 119° C., an I10/I2 ratio from 5.5 to 7.5, wherein I2 is the melt index when measured according to ASTM D 1238 at a load of 2.16 kg and temperature of 190° C. and I10 is the melt index when measured according to ASTM D 1238 at a load of 10 kg and temperature of 190° C., and a short chain branching distribution (SCBD) less than or equal to 10° C., wherein the short chain branching distribution is measured by CEF full width at half height.Type: ApplicationFiled: June 13, 2019Publication date: August 12, 2021Applicant: Dow Global Technologies LLCInventors: Kyle E. Hart, Mehmet Demirors, Timothy W. Gambrel, Philip P. Fontaine, Pradeep Jain
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Patent number: 11084000Abstract: The invention is an improved method of making a carbon molecular sieve (CMS) membrane in which a polyimide precursor polymer is pyrolyzed to form a carbon molecular sieve membrane by heating, in a furnace, said polyimide precursor polymer to a final pyrolysis temperature of 600 C to 700 C at a pyrolysis heating rate of 3 to 7 C/minute from 400 C to the final pyrolysis temperature, the final pyrolysis temperature being held for a pyrolysis time of at most 60 minutes in a non-oxidizing atmosphere. In a particular embodiment, the cooling rate from the pyrolysis temperature is accelerated by methods to remove heat. The CMS membranes have shown an improved combination of selectivity and permeance as well as being particularly suitable to separate gases in gas streams such methane from natural gas, oxygen from air and ethylene or propylene from light hydrocarbon streams.Type: GrantFiled: March 2, 2017Date of Patent: August 10, 2021Assignees: Dow Global Technologies LLC, Georgia Tech Research CorporationInventors: John Hessler, William J. Koros, Liren Xu, Mark K. Brayden, Marcos V. Martinez
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Patent number: 11084893Abstract: An ethylene-based polymer formed from reacting at least the following: ethylene and at least one asymmetrical polyene, and wherein the reaction takes place in the presence of at least one free-radical initiator; and wherein the at least one asymmetrical polyene is selected from Structure A, as described herein; Structure B, as described herein; or a combination of Structure A and Structure B.Type: GrantFiled: June 1, 2018Date of Patent: August 10, 2021Assignee: Dow Global Technologies LLCInventors: John O. Osby, Mehmet Demirors, Ivan A. Konstantinov
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Patent number: 11084258Abstract: The present disclosure provides a film. In an embodiment, a multilayer film having at least three layers is provided. The multilayer film includes two skin layers, each skin layer composed of a blend of a low density polyethylene and an ethylene-based elastomer having a density less than 0.90 g/cc. The multilayer film also includes a core layer located between the skin layers. The core layer includes a propylene-based plastomer having a density less than 0.90 g/cc. The multilayer film has an onset end temperature from 90° C. to 110° C. and a heat seal strength at 120° C. from 1.5 N/cm to 2.5 N/cm.Type: GrantFiled: December 19, 2016Date of Patent: August 10, 2021Assignee: Dow Global Technologies LLCInventors: Juan C. Tuberquia, Kumar N. Sanketh, Lori L. Kardos, Cody W. Lawrence, Lamy J. Chopin, III, William B. Bellefontaine, Joshua M. Jones, Micah S. Vardeman, Timothy E. Clayfield
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Publication number: 20210237408Abstract: A multilayer film includes a first film including at least a first layer and a second layer, and a second film extrusion coated onto the first layer of the first film. The multilayer film is free of adhesives. The first layer of the first film includes a first high density polyethylene (HDPE) having a density of from 0.935 to 0.965 g/cc and a melt index I2 of 0.3 to 2.0 and the second layer of the first film includes a polyolefin plastomer having a density of from 0.885 to 0.910 g/cc. The second film includes a second high density polyethylene (HDPE) having a density of from 0.945 to 0.965 g/cc and a melt index I?2 #191 of 4.0 to 20.0. The second film has a gloss of from 65% to 95% at 60 according to ASTM D2457.Type: ApplicationFiled: August 22, 2019Publication date: August 5, 2021Applicant: Dow Global Technologies LLCInventors: Przemyslaw Olszynski, Maria Isabel Arroyo Villan, Peter Hermann Roland Sandkuehler