Abstract: The present disclosure provides a plastic living hinge. The plastic living hinge includes a blend containing (A) an ethylene-based polymer; and (B) a composite component selected from the group consisting of a block composite, a crystalline block composite, and a combination thereof.
Type:
Grant
Filed:
June 25, 2018
Date of Patent:
March 1, 2022
Assignee:
Dow Global Technologies LLC
Inventors:
Yijian Lin, Yushan Hu, Todd A. Hogan, Colin Li Pi Shan, Keran Lu, Mridula Kapur
Abstract: The present invention provides multilayer films, packages formed from such films, and methods of making multilayer films. In one aspect, a multilayer film comprises multilayer film comprising at least 3 layers, each layer having opposing facial surfaces and arranged in the order A/B/C, wherein a top facial surface of Layer B is in adhering contact with a bottom facial surface of Layer A; wherein a top facial surface of Layer C is in adhering contact with a bottom facial surface of Layer B, wherein the film is oriented in the machine direction and wherein the film exhibits a normalized carbon dioxide transmission rate of at least 3000 cm3·mil/100 in2/day, and wherein the film exhibits a ratio of the carbon dioxide transmission rate to an oxygen transmission rate of at least 4.0.
Type:
Grant
Filed:
June 28, 2017
Date of Patent:
March 1, 2022
Assignee:
Dow Global Technologies LLC
Inventors:
Yijian Lin, Wenyi Huang, Selim Bensason
Abstract: The invention relates to oligomerization of olefins, such as ethylene, to higher olefins, such as a mixture of 1-hexene and 1-octene, using a catalyst system that comprises a) a source of chromium b) one or more activators and c) a phosphacycle-containing ligating compound. Additionally, the invention relates to a phosphacycle-containing ligating compound and a process for making said compound.
Type:
Grant
Filed:
December 3, 2020
Date of Patent:
March 1, 2022
Assignee:
Dow Global Technologies LLC
Inventors:
Jerzy Klosin, Kara A. Milbrandt, Scott D. Boelter, David R. Wilson, Mari S. Rosen, Dean M. Welsh, Peter M. Margl, Kyoung Moo Koh, David M. Pearson, Rafael Huacuja
Abstract: A composition composed of at least a first ethylene/?-olefin/nonconjugated polyene interpolymer, which can be used to produce low compression set, foamed rubber materials, articles made from the composition, and methods of producing the composition and articles.
Type:
Grant
Filed:
December 26, 2016
Date of Patent:
March 1, 2022
Assignee:
Dow Global Technologies LLC
Inventors:
Colin LiPiShan, Juan C. Tuberquia, Teresita Kashyap, Isao Hattori, Tao Han, Cory M. Thomas West
Abstract: A laminating adhesive composition comprising a) an aqueous dispersion of thermoplastic polymer particles imbibed with an epoxy compound wherein the concentration of the epoxy compound is from 1 weight percent to 40 weight percent, based on the total weight of the solid content of the aqueous dispersion; and b) at least one water emulsifiable or water dispersible epoxy curing agent selected from polyamines, polyamides, amidoamines, carboxylic functional polyesters, anhydrides, mercaptans, polymer captans, cyclic amidines, and combinations thereof, is disclosed.
Type:
Grant
Filed:
September 30, 2016
Date of Patent:
March 1, 2022
Assignees:
Dow Global Technologies LLC, Rohm and Haas
Abstract: A process for preparing C2 to C5 hydrocarbons includes introducing a feed stream into a reaction zone of a reactor, the feed stream including hydrogen gas and carbon monoxide. An additional stream is introduced into the reaction zone of the reactor, the additional stream comprising water, carbon dioxide, or mixtures thereof. A combined stream that includes the feed stream and the additional stream is converted into a product stream comprising C2 to C5 hydrocarbons in the reaction zone in the presence of a hybrid catalyst. The hybrid catalyst includes a metal oxide catalyst component, and a microporous catalyst component.
Type:
Application
Filed:
May 9, 2019
Publication date:
February 24, 2022
Applicant:
Dow Global Technologies LLC
Inventors:
Davy L.S. Nieskens, Glenn Pollefeyt, Andrzej Malek
Abstract: Embodiments are directed towards methods of inducing caspase activity. The methods include contacting a cell with a treatment compound represented by the following Formula (I): where R1 is selected from hydrogen or an alkyl group having from 1 to about 16 carbon atoms; R2 is selected from a hydroxyl group, a tosylate group, an alkoxy group of the formula OR3 where R3 is selected from an alkyl group having from 1 to about 16 carbon atoms, or an ester group of the formula OCOR4, where R4 is an alkyl group having from 1 to about 16 carbon atoms, and n is from 4 to 46,000, with the proviso that when R1 is hydrogen and R2 is a hydroxy group the treatment compound has a number average molecular weight from 10,100 to 2,000,0000 g/mol.
Type:
Application
Filed:
February 26, 2020
Publication date:
February 24, 2022
Applicant:
Dow Global Technologies LLC
Inventors:
Caroline Woelfle-Gupta, Andrew Scott, Matthew LeBaron, Daniel Wilson, Susan L. Jordan, Robert L. Schmitt, Raja Settivari
Abstract: The polymerization process of this disclosure includes includes polymerizing ethylene and one or more olefins in the presence of a catalyst system under olefin polymerization conditions to form an ethylene-based polymer.
Type:
Application
Filed:
December 20, 2019
Publication date:
February 24, 2022
Applicant:
Dow Global Technologies LLC
Inventors:
David Koenigs, David D. Devore, Brad C. Bailey, Endre Szuromi, Robert D. Grigg, David M. Pearson, Nolan T. McDougal, John B. Etienne, Sukrit Mukhopadhyay
Abstract: Disclosed is a process for regenerating a hybrid solvent used to remove contaminants from a fluid stream and to provide an improved yield of purified fluid. Said process comprises at least one purification unit (12) and at least one regeneration unit (40) wherein condensed water 62 from the regeneration unit is recycled back into the purification unit and none of the condensed water is reintroduced into the regeneration unit.
Type:
Grant
Filed:
April 19, 2017
Date of Patent:
February 22, 2022
Assignee:
Dow Global Technologies LLC
Inventors:
John R. Dowdle, Christophe R. Laroche, Diego Ortiz Vega, Linda L. Pirtle
Abstract: Embodiments of the present disclosure include composites and flexible multilayer pipe liners comprising a fibrous layer; and a polyolefin backing layer comprising a blend of: (a) an ultra-high molecular weight ethylene-based polymer having an intrinsic viscosity from 5 to 50 deciliters/gram, (b) a polyethylene resin comprising a first molecular weight ethylene-based polymer component and a second molecular weight ethylene-based polymer component, wherein the polyethylene resin has a density from 0.930 to 0.960 g/cc; (c) a thermoplastic polyolefin elastomer having a density of from 0.850 to 0.910 g/cc; and (d) optionally, a fluoropolymer.
Abstract: The present invention provides thermosetting resin pre-impregnated or infused fiber materials or prepregs comprising a thermosetting resin mixture and a fiber material component of a heat resistant fiber, such as carbon fiber, having an areal weight of from 500 to 3,000 g/m2 having a coating of from 0.5 to 4 phr of a latent, particulate curative or solid curative, preferably, dicyandiamide, wherein the prepregs are infused with a thermosetting resin mixture comprising (a) at least one liquid epoxy resin, and (b) a hardener and/or a catalyst, as well as methods of making the same. The prepregs of present invention enables the simple provision of lightweight composites having consistent resin cure throughout.
Type:
Grant
Filed:
August 30, 2017
Date of Patent:
February 22, 2022
Assignee:
Dow Global Technologies LLC
Inventors:
David H. Bank, Richard Baumer, Kevin J. Bouck, Jun Cai, Marsha L. Langhorst, Abhijit A. Namjoshi, Weijun Wang
Abstract: The invention provides compositions, each comprising an ethylene/alpha-olefin interpolymer, which has a reduced level of a low density, low molecular weight oligomeric fraction, as indicated by an HCC value, as described herein, and reduced levels of inorganic content or lower Tm. The invention also provides processes for forming such interpolymers.
Type:
Grant
Filed:
October 16, 2019
Date of Patent:
February 15, 2022
Assignee:
Dow Global Technologies LLC
Inventors:
Frank J. Cerk, Rongjuan Cong, Shrikant Dhodapkar, Selim Yalvac, Morgan M. Hughes, Timothy W. Gambrel, Yi Jin
Abstract: A chemical system for an operation exhibiting steady-state gain inversion is provided herein and includes a reactor configured to receive a feed stream and produce an outlet stream to form a process and a control device configured to control a process. The control device receives inputs indicative of an operational parameter and output variables and, in response to the inputs and output variables, provides a steady-state manipulated input configured to control or optimize the process. The control device includes an input disturbance model, a state estimator, a non-linear steady-state target calculator, and a regulator configured to provide a signal for adjustment of one or more inputs based on the steady-state manipulated input and associated output variables.
Abstract: Embodiments are directed to a stretch hood or stretch label multilayer film comprising a first skin layer, a second skin layer, and a core layer disposed between the first skin layer and the second skin layer, wherein: the first skin layer, the second skin layer, or both independently comprise at least 50 wt. % of a linear low density polyethylene (LLDPE) resin, wherein the skin LLDPE resin exhibits each of the following properties: a Crystallization Elution Fractionation (CEF) fraction of less than 8% above an elution temperature of 94° C.; and a melt index (I2) of 0.1 to 2.0 g/10 min when measured according to ASTM D 1238 at a load of 2.16 kg and temperature of 190° C. The core layer comprises a polyethylene resin having a wt. % crystallinity of from 10% to 40% and a single melting peak as measured by differential scanning calorimetry.
Type:
Grant
Filed:
October 12, 2017
Date of Patent:
February 15, 2022
Assignee:
Dow Global Technologies LLC
Inventors:
Shaun Parkinson, Jesus Nieto, Rajen M. Patel
Abstract: A composition comprises: (A) a polypropylene polymer; (B) a polyolefin elastomer; (C) a compound having the formula (I) defined herein; and (D) an additive component. And an article made from the composition.
Type:
Grant
Filed:
September 29, 2017
Date of Patent:
February 15, 2022
Assignee:
Dow Global Technologies LLC
Inventors:
Yahong Zhang, Shaoguang Feng, Jian Zou, Yonghua Gong, Russell P. Barry, Jozef Van Dun
Abstract: Aspects of the invention are based on the discovery that cathode materials and lithium ion batteries comprising the cathode material, having improved thermal stability may be produced from a cathode material that is comprised of a mixture of a lithium metal oxide and a lithium metal phosphate wherein the lithium metal phosphate comprises a volume fraction of secondary particles having a size of 0.1 to 3 ?m that is from 5 to 100%, based on the total content of lithium metal phosphate. More specifically cathodes comprising lithium metal phosphates having the recited secondary particle ranges help provide cathode materials that are capable of passing the nail penetration test without generating smoke or flames. Methods of forming the cathode and lithium ion battery comprising the cathode are also provided.
Abstract: Embodiments are directed to a catalyst system comprising metal ligand complexes and processes for polyolefin polymerization using the metal ligand complex having the following structure: where X is selected from the group consisting of —ORX or NRX2.
Type:
Grant
Filed:
September 19, 2018
Date of Patent:
February 8, 2022
Assignee:
Dow Global Technologies LLC
Inventors:
Arkady L. Krasovskiy, David R. Wilson, Tulaza Vaidya, Edmund M. Carnahan, Philip P. Fontaine, Carl N. Iverson
Abstract: The invention provides a process to form an olefin-based polymer, said process comprising polymerizing at least one olefin in the presence of at least one catalyst system comprising the reaction product of the following: A) at least one cocatalyst; and B) a procatalyst comprising a metal-ligand complex of Formula (I), as described herein:
Type:
Grant
Filed:
November 20, 2019
Date of Patent:
February 8, 2022
Assignee:
Dow Global Technologies LLC
Inventors:
Philip P. Fontaine, Jerzy Klosin, Endre Szuromi, Carl N. Iverson, Zach T. Rickaway, Andrew J. Young, Susan G. Brown, Ruth Figueroa, Mehmet Demirors, Mridula Kapur
Abstract: Ethylene-based polymers of this disclosure include a melt viscosity ratio (V0.1/V100) at 190° C. of at least 10, where V0.1 is the viscosity of the ethylene-based polymer at 190° C. at a shear rate of 0.1 radians/second, and V100 is the viscosity of the ethylene-based polymer at 190° C. at a shear rate of 100 radians/second; 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:
Application
Filed:
September 27, 2019
Publication date:
February 3, 2022
Applicant:
Dow Global Technologies LLC
Inventors:
Teresita Kashyap, Robert D.J. Froese, Daniel J. Arriola