Patents Assigned to Dow Quimica de Colombia S.A.
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Patent number: 11969976Abstract: Embodiments of the present disclosure are directed to multilayer films. Embodiments of the multilayer films may include a first layer comprising a first polyolefin, a second layer comprising a second polyolefin, a third layer comprising a third polyolefin, fourth layer comprising a fourth polyolefin, and a fifth layer comprising a fifth polyolefin. The second layer may be positioned between the first layer and the third layer; the third layer may be positioned between the second layer and the fourth layer; and the fourth layer may be positioned between the third layer and the fifth layer. Two or more of the first polyolefin, second polyolefin, third polyolefin, and fourth polyolefin may be the same or different. The third polyolefin may be a polyethylene composition having a density of 0.924 g/cm3 to 0.936 g/cm3 and a melt index (I2) of 0.25 g/10 minutes to 2.0 g/10 minutes.Type: GrantFiled: August 4, 2020Date of Patent: April 30, 2024Assignees: Dow Global Technologies LLC, Dow Quimica De Colombia S.A.Inventors: Jorge Mario Rodriguez Camelo, Marlos Guintini de Oliveira, Nicolas Cardoso Mazzola, Sanjib Biswas, Joshua B. Gaubert, Douglas S. Ginger, Mridula Kapur, Didem Oner-Deliormanli, Mehmet Demirors
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Publication number: 20220288899Abstract: Embodiments of the present disclosure are directed to multilayer films. Embodiments of the multilayer films may include a first layer comprising a first polyolefin, a second layer comprising a second polyolefin, a third layer comprising a third polyolefin, fourth layer comprising a fourth polyolefin, and a fifth layer comprising a fifth polyolefin. The second layer may be positioned between the first layer and the third layer; the third layer may be positioned between the second layer and the fourth layer; and the fourth layer may be positioned between the third layer and the fifth layer. Two or more of the first polyolefin, second polyolefin, third polyolefin, and fourth polyolefin may be the same or different. The third polyolefin may be a polyethylene composition having a density of 0.924 g/cm3 to 0.936 g/cm3 and a melt index (I2) of 0.25 g/10 minutes to 2.0 g/10 minutes.Type: ApplicationFiled: August 4, 2020Publication date: September 15, 2022Applicants: Dow Global Technologies LLC, Dow Quimica de Colombia S.A.Inventors: Jorge Mario Rodriguez Camelo, Marlos Guintini de Oliveira, Nicolas Cardoso Mazzola, Sanjib Biswas, Joshua B. Gaubert, Douglas S. Ginger, Mridula Kapur, Didem Oner-Deliormanli, Mehmet Demirors
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Publication number: 20220017705Abstract: A film structure including: (a) at least one functionalized film layer, wherein the at least one film layer comprises a polar-reactive group polyolefin layer used as an internal layer in the film structure; and (b) a lamination adhesive composition present on, and in contact with, a least a portion of a surface of the internal layer; wherein the green tack value of the adhesive composition is greater than 0.772 Newtons/centimeter; a laminate including the above film structure bonded to a substrate layer; a process for producing the film structure; a process for producing the laminate; and a laminated article made from the above laminate.Type: ApplicationFiled: October 25, 2019Publication date: January 20, 2022Applicants: Dow Global Technologies LLC, Dow Quimica De Colombia S.A., Rohm and Haas CompanyInventors: Felipe Martinez Barreneche, Elkin David Cardona Jimenez, Juan Carlos Casarrubias, Jie Wu
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Publication number: 20220017706Abstract: A film structure including: (a) at least one functionalized film layer, wherein the at least one film layer comprises a polar-reactive group polyolefin layer used as an internal layer in the film structure; and (b) a lamination adhesive composition present on, and in contact with, a least a portion of a surface of the internal layer; wherein the green tack value of the adhesive composition is greater than 0.772 Newtons/centimeter; a laminate including the above film structure bonded to a substrate layer; a process for producing the film structure; a process for producing the laminate; and a laminated article made from the above laminate.Type: ApplicationFiled: October 25, 2019Publication date: January 20, 2022Applicants: DOW GLOBAL TECHNOLOGIES LLC, DOW QUIMICA DE COLOMBIA S.A., ROHM AND HAAS COMPANYInventors: Felipe Martinez Barreneche, Elkin David Cardona Jimenez, Juan Carlos Casarrubias, Jie Wu
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Patent number: 10927431Abstract: Embodiments disclosed herein include multilayer films that have at least two layers. More particularly, disclosed in embodiments herein are multilayer films that include at least a first layer and a second layer, wherein the first layer includes at least one polyethylene polymer, wherein the second layer includes at least one water-soluble polymer, wherein the second layer is insoluble in water at a temperature of less than 20° C., wherein the second layer is soluble in water at a temperature of 20° C. or greater, and wherein the first layer has one or more openings through the first layer to expose the second layer. Also disclosed herein are methods of using such multilayer films for extracting metal from metal ore.Type: GrantFiled: December 15, 2015Date of Patent: February 23, 2021Assignees: Dow Global Technologies LLC, PBBPolisur S.R.L., Dow Quimica de Colombia S.A.Inventors: Maximiliano Zanetti, Miguel Molano Niampira, Jorge C. Gomes
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Patent number: 10857768Abstract: Embodiments disclosed herein include multilayer cast films having a first outer layer, a core layer, and a second outer layer, wherein the first outer layer comprises (a) a linear low density polyethylene (LLDPE), ultra-low density polyethylene (ULDPE), a first polyethylene composition, or combinations of two or more thereof, and (b) polyisobutylene, and the core layer comprises a core layer polyethylene composition.Type: GrantFiled: August 30, 2017Date of Patent: December 8, 2020Assignees: Dow Glo, PBBPoIisur S.R.L., Dow Quimica de Colombia S.A.Inventors: Marlos Giuntini De Oliveira, Teresa P. Karjala, Mustafa Bilgen, Jorge Caminero Gomes, Maximiliano Zanetti, Miguel A. Molano Niampira, Jorge Mario Rodriguez Camelo, Camila Do Valle, Guillermo A. Raimondi
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Patent number: 10682835Abstract: A multilayer shrink film comprising a first layer, a second layer, and a third layer, wherein the second layer is positioned between the first layer and the third layer, and wherein the second layer comprises a second polymer blend, the second polymer blend comprising from 0 to 60 wt. %, based on the total polymer weight in the second polymer blend, of a low density polyethylene, and from 40 to 100 wt. %, based on the total polymer weight in the second polymer blend, of an ethylene/?-olefin interpolymer composition having a density in the range of from 0.860 g/cc to 0.910 g/cc, a melt index (I2) in a range of from 0.1 to 5 g/10 minutes, a molecular weight distribution (Mw/Mn) in the range of from 1.8 to 3.5, and a Comonomer Distribution Constant (CDC) in the range of from 95 to 200.Type: GrantFiled: September 9, 2016Date of Patent: June 16, 2020Assignees: PBBPolisur S.R.L., Dow Global Technologies LLC, Dow Quimica de Colombia S.A.Inventors: Maximiliano Zanetti, Guillermo A. Raimondi, Jorge C. Gomes, Miguel A. Molano Niampira
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Patent number: 10563053Abstract: Embodiments of polyethylene formulations comprise a partially cross-linked multimodal polyethylene composition having a the first molecular weight ethylene-based polymer component and a second molecular weight ethylene-based polymer component, wherein the partially cross-linked multimodal polyethylene composition comprises a density from 0.930 g/cc to 0.943 g/cc measured according to ASTM D792, a melt index (I2) from 0.01 g/10 min to 5 g/10 min, when measured according to ASTM D1238 at 190° C. and a 2.16 kg load, a molecular weight distribution (MWD) from 5 to 10, wherein MWD is defined as Mw/Mn with Mw being a weight average molecular weight and Mn being a number average molecular weight, and a complex viscosity ratio from 250 to 450, wherein the complex viscosity ratio is defined as the complex viscosity at a shear rate of 0.01 rad/s divided by the complex viscosity at a shear rate of at a shear rate of 100 rad/s.Type: GrantFiled: December 20, 2016Date of Patent: February 18, 2020Assignees: Dow Quimica De Colombia S.A., Dow Quimica Mexicana S.A. Dec.V.Inventors: Patricia Perdiz Fernandez, Miguel A. Molano Niampira
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Patent number: 10300685Abstract: A polyethylene-based multi-layer film, which is particularly useful as a greenhouse film, is provided. The multi-layer film contains an ethylene/?-olefin interpolymer composition having a Comonomer Distribution Constant (CDC) in the range of from 75 to 200, a vinyl unsaturation of less than 0.15 vinyls per one thousand carbon atoms present in the backbone of the ethylene-based polymer composition; a zero shear viscosity ratio (ZSVR) in the range from 2 to 20; a density in the range of from 0.903 to 0.950 g/cm3, a melt index (I2) in a range of from 0.1 to 5 g/10 minutes, a molecular weight distribution (Mw/Mn) in the range of from 1.8 to 3.5.Type: GrantFiled: April 30, 2015Date of Patent: May 28, 2019Assignees: Dow Quimica Mexicana S.A. de C.V., PBBPolisur S.R.L, Dow Global Technologies LLC, Dow Quimica de Colombia S.A.Inventors: Carlos Ponce Flores, Maximiliano Zanetti, Jorge C. Gomes, Miguel Angel Molano Niampira, Francisco Paz
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Publication number: 20190002673Abstract: Embodiments of polyethylene formulations comprise a partially cross-linked multimodal polyethylene composition having a the first molecular weight ethylene-based polymer component and a second molecular weight ethylene-based polymer component, wherein the partially cross-linked multimodal polyethylene composition comprises a density from 0.930 g/cc to 0.943 g/cc measured according to ASTM D792, a melt index (I2) from 0.01 g/10 min to 5 g/10 min, when measured according to ASTM D1238 at 190° C. and a 2.16 kg load, a molecular weight distribution (MWD) from 5 to 10, wherein MWD is defined as Mw/Mn with Mw being a weight average molecular weight and Mn being a number average molecular weight, and a complex viscosity ratio from 250 to 450, wherein the complex viscosity ratio is defined as the complex viscosity at a shear rate of 0.01 rad/s divided by the complex viscosity at a shear rate of at a shear rate of 100 rad/s.Type: ApplicationFiled: December 20, 2016Publication date: January 3, 2019Applicants: Dow Quimica Mexicana S.A. de C.V., Dow Quimica de Colombia S.A.Inventors: Patricia Perdiz FERNANDEZ, Miguel A. Molano NIAMPIRA