Patents by Inventor Rajen M. Patel

Rajen M. Patel has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11952470
    Abstract: A coagent masterbatch comprising a semi-crystalline polyolefin carrier resin and an alkenyl-functional coagent. A peroxide curable formulation comprising the coagent masterbatch and a polyolefin compound. A method of making the masterbatch and formulation; a peroxide-cured polyolefin product prepared therefrom; a manufactured article comprising or made from the masterbatch, formulation, or product; and a method of using the manufactured article.
    Type: Grant
    Filed: February 1, 2018
    Date of Patent: April 9, 2024
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Dachao LI, Yabin Sun, Yongyong Yang, Timothy J Person, Jeffrey M. Cogen, Rajen M. Patel
  • Patent number: 11926684
    Abstract: 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: Grant
    Filed: June 13, 2019
    Date of Patent: March 12, 2024
    Assignee: Dow Global Technologies LLC
    Inventors: Kyle E. Hart, Mehmet Demirors, Timothy W. Gambrel, Philip P. Fontaine, Vivek Kalihari, Hrishikesh R. Munj, Jon W. Hobson, Rajen M. Patel
  • Patent number: 11873377
    Abstract: 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: Grant
    Filed: June 13, 2019
    Date of Patent: January 16, 2024
    Assignee: Dow Global Technologies LLC
    Inventors: Kyle E. Hart, Mehmet Demirors, Timothy W. Gambrel, Philip P. Fontaine, Vivek Kalihari, Francis O. Olajide, Jr., Rajen M. Patel
  • Publication number: 20230331966
    Abstract: Provided are polyethylene compositions and cast stretch films comprising polyethylene compositions. The cast stretch films can exhibit improved tear strength and on pallet benefits while maintaining other properties. The cast stretch films can also be fully compatible with polyethylene recycling streams and can be free of polypropylene.
    Type: Application
    Filed: October 4, 2021
    Publication date: October 19, 2023
    Inventors: Akanksha Garg, Jon W. Hobson, Jose E. Ruiz, Rajen M. Patel, Jeffrey A. Sims, Frederik Ter Borg, Tyler Culp
  • Publication number: 20230144837
    Abstract: The present disclosure provides a coated conductor. The coated conductor includes a conductor and an outermost coating on the conductor. The coating includes (A) an ethylene-based polymer having an I21/I2 ratio from 20 to 50; and (B) a propylene/ethylene copolymer having a Mw/Mn from 2.0 to 3.5. The coating has a surface roughness from 20 ?-inch to 100 ?-inch.
    Type: Application
    Filed: June 27, 2019
    Publication date: May 11, 2023
    Inventors: Anny L. Flory, Karl M. Seven, Mohamed Esseghir, Chester J. Kmiec, Rajen M. Patel
  • Publication number: 20230105510
    Abstract: Provided are films made from polymer blends including post-consumer resin (PCR). The films are formed from a polymer blend that includes a PCR, a low density polyethylene and/or ethylene/carbon monoxide copolymer (ECO copolymer), and a modification agent. The films, which include a PCR, contribute to improved sustainability and in aspects maintain or minimize the reduction of desirable properties, such as elastic recovery.
    Type: Application
    Filed: April 7, 2021
    Publication date: April 6, 2023
    Inventors: Rajen M. Patel, Carol L. Tsai, Daniel G. Abebe, Yongchao Zeng, Teresa P. Karjala, Xiaofei Sun, Jessica L. Rogers, Francis O. Olajide, JR.
  • Publication number: 20220234341
    Abstract: The present disclosure provides a multi-layer blown film, comprising: a first skin layer and a second skin layer, where at least one of the first skin layer and the second skin layer comprises from 80 to 100 wt. % of a LLDPE, where the LLDPE has a density from 0.910 to 0.935 g/cm3; a core layer between the first skin layer and the second skin layer, where the core layer comprises from 70 to 100 wt. % of a second LLDPE having density from 0.910 to 0.935 g/cm3; and a first inner layer and a second inner layer, where at least one of the first inner layer and the second inner layer comprises from 80 to 100 wt. % of a HDPE, where the HDPE has a density from 0.940 to 0.970 g/cm3; where the multi-layer blown film has a density from 0.925 to 0.940 g/cm3 and a total thickness of 15 to 150 ?m.
    Type: Application
    Filed: June 4, 2020
    Publication date: July 28, 2022
    Applicant: Dow Global Technologies LLC
    Inventors: Lanhe Zhang, Jong Young Lee, Lori L. Kardos, Rajen M. Patel, Shaun Parkinson, Hrishikesh R. Munj, Teresa P. Karjala, Jose Eduardo Ruiz, Luis Duque, Jesus Nieto
  • Patent number: 11370891
    Abstract: An additive masterbatch composition comprising a semi-crystalline polyolefin carrier resin and an additive package comprising a product of a reaction of an acidic condensation catalyst and a secondary diarylamine. A moisture-curable polyolefin composition comprising the additive masterbatch composition and a (hydrolyzable silyl group)-functional polyolefin prepolymer. A method of making the compositions; a moisture-cured polyolefin composition prepared therefrom; a manufactured article comprising or made from the formulation; and a method of using the manufactured article.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: June 28, 2022
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Dachao Li, Rajen M. Patel, Timothy J. Person, Jeffrey M. Cogen, Bharat I. Chaudhary, Paul J. Caronia
  • Patent number: 11339292
    Abstract: Articles made from a moisture-curable, polymeric composition comprising in weight percent based on the weight of the composition: (A) 2 to less than 80 weight percent (wt %) of an ethylenic polymer with (1) a crystallinity at room temperature of 34% to 55%, or 65% to 80%, and (2) a melt index (I2) of 0.1 to 50 decigrams per minute (dg/min); (B) 3 to 30 wt % of a halogenated flame retardant; (C) 3 to 30 wt % an inorganic antimony flame retardant; and (D) 0 to 10 wt % of at least one of an inorganic flame retardant other than the inorganic antimony flame retardant, e.g., zinc oxide exhibit enhanced ACBD properties in comparison to articles alike in all respects except made from a composition comprising an ethylenic polymer without the requisite crystallinity at room temperature.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: May 24, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Peter C. Dreux, Vivek Tomer, Manish K. Mundra, Bharat I Chaudhary, Abhijit Ghosh-Dastidar, Rajen M. Patel, Kalyan Sehanobish
  • Patent number: 11312120
    Abstract: A multilayer shrink film comprising at least one core layer positioned between a first skin layer and a second skin layer, wherein the multilayer shrink film comprising an ethylene/alpha-olefin interpolymer composition and a low density polyethylene.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: April 26, 2022
    Assignees: Dow Global Technologies LLC, PBBPolisur S.R.L.
    Inventors: Kaustubh Gupte, Edward L. Lee, Marlos Giuntini De Oliveira, Rajen M. Patel, Guillermo A. Raimondi, Prajwal Shah, Maximiliano Zanetti
  • Patent number: 11312827
    Abstract: A uniaxially-oriented ethylene-based polymeric film having at least one layer comprising at least 65 wt. %, based on total amount of materials present in the at least one layer, of a linear low density polyethylene which exhibits each of the following properties: a CDBI of at least 60%; a melt index, I2, measured according to ASTM D 1238 (2.16 kg @190° C.), of 1.8 g/10 min to 10 g/10 min; a density of from 0.910 g/cc to 0.940 g/cc; and a Mw/Mn of less than 3.0.
    Type: Grant
    Filed: October 8, 2018
    Date of Patent: April 26, 2022
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Wu Aik Yee, Yijian Lin, Rajen M. Patel, Fabricio Arteaga Larios, Jacquelyn A. Degroot, Mridula Kapur, Yutaka Maehara
  • Patent number: 11299616
    Abstract: Articles made from a moisture-crosslinkable, polymeric composition comprising in weight percent based on the weight of the composition: (A) 10 to 99.99 wt % of a nonpolar ethylenic polymer grafted with silane functionality (Si-g-npPE), the npPE having the following properties before grafting: (1) a vinyl content of 0.2 to 0.7 per 1,000 carbon atoms, (2) a melt index of 1.5 to 7.0 dg/min, (3) a density of 0.913 to 0.965 g/cc, and (4) a molecular weight distribution (Mw/Mn) of equal to or less than 8; (B) 0.01 to 20 wt % of a silanol condensation catalyst; and (C) 0 to 70 wt % of a flame retardant additive; exhibit one or more of desirable (a) silane grafting efficiency; (b) hot creep performance as a cable jacket/insulation after moisture crosslinking; (c) retained dielectric strength after glancing impact as a moisture crosslinked cable construction; and (d) crush resistance as a moisture crosslinked cable construction.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: April 12, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Bharat I. Chaudhary, Manish Talreja, Yichi Zhang, Santosh S. Bawiskar, Peter C. Dreux, Manish K. Mundra, Abhijit Ghosh-Dastidar, Rajen M. Patel, Kalyan Sehanobish, Chieh Ying Heah, Kenneth Hin-Leong Ong
  • Patent number: 11247445
    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
  • Publication number: 20220002924
    Abstract: A nonwoven fabric comprises at least one fiber having a first component prepared from at least 75 wt. % of bimodalethylene/alpha-olefin interpolymer composition, wherein the ethylene/alpha-olefin interpolymer composition is characterized by: a density in the range of 0.930 to 0.965 g/cm3, a melt index (I2) in the range of from 10 to 60 g/10 minutes, wherein the I2 is measured according to ASTM D1238, 190 C, 2.16 kg, a molecular weight distribution, expressed as the ratio of the weight average molecular weight to number average molecular weight (Mw(GPC)/Mn(GPC)) as determined by GPC of from 1.5 to 2.6, a tan delta at 1 radian/second of at least 45, a low temperature peak and a high temperature peak on an elution profile via improved comonomer composition distribution (ICCD) procedure, and a full width at half maximum of the high temperature peak is less than 6.0° C.
    Type: Application
    Filed: November 20, 2019
    Publication date: January 6, 2022
    Inventors: Mehmet DEMIRORS, Fabricio Arteaga LARIOS, Mridula KAPUR, Philip P. FONTAINE, David T. GILLESPIE, Yijian LIN, Lanhe ZHANG, Sanjib BISWAS, Eduardo ALVAREZ, Aleksandar STOILJKOVIC, Rajen M. PATEL
  • Patent number: 11186711
    Abstract: An additive masterbatch composition comprising a semi-crystalline polyolefin carrier resin and an additive package comprising a product of a reaction of an acidic condensation catalyst and a secondary diarylamine. A moisture-curable polyolefin composition comprising the additive masterbatch composition and a (hydrolyzable silyl group)-functional polyolefin prepolymer. A method of making the compositions; a moisture-cured polyolefin composition prepared therefrom; a manufactured article comprising or made from the formulation; and a method of using the manufactured article.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: November 30, 2021
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Dachao Li, Rajen M. Patel, Timothy J. Person, Jeffrey M. Cogen, Bharat I. Chaudhary
  • Patent number: 11174600
    Abstract: Artificial turf filaments formed from polyethylene are provided that can have desirable properties. In one aspect, an artificial turf filament comprises a composition comprising a first composition, wherein the first composition comprises at least one ethylene-based polymer and wherein the first composition comprises a MWCDI value greater than 0.9, and a melt index ratio (I10/I2) that meets the following equation: I10/I2?7.0?1.2×log (I2).
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: November 16, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Jian Wang, Pradeep Jain, Mehmet Demirors, Rajen M. Patel, Joseph L. Deavenport, David Lopez
  • Patent number: 11174377
    Abstract: The present disclosure includes a polyethylene composition that may include a first polyethylene resin having a density of from 0.915 g/cc to 0.970 g/cc and a melt index (I2) from 10 g/10 min to 200 g/10 min, when measured according to ASTM D1238 at 190° C. and 2.16 kg load, and a second polyethylene resin having a density of from 0.860 g/cc to 0.930 g/cc and a melt index (I2) of from 400 g/10 min to 2000 g/10 min. The density of the first polyethylene resin may be greater than the density of the second polyethylene resin and the first polyethylene resin, the second polyethylene resin, or both are copolymers of ethylene monomer and at least one ?-olefin comonomer, the ?-olefin comonomer including C3-C12 ?-olefins. Injection molded articles produced from the polyethylene composition are also disclosed herein.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: November 16, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: David W. Kababik, Shannon E. Hunt, Rajen M. Patel
  • Publication number: 20210246241
    Abstract: 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: Application
    Filed: June 13, 2019
    Publication date: August 12, 2021
    Applicant: Dow Global Technologies LLC
    Inventors: Kyle E. Hart, Mehmet Demirors, Timothy W. Gambrel, Philip P. Fontaine, Vivek Kalihari, Hrishikesh R. Munj, Jon W. Hobson, Rajen M. Patel
  • Publication number: 20210246274
    Abstract: 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: Application
    Filed: June 13, 2019
    Publication date: August 12, 2021
    Applicant: Dow Global Technologies LLC
    Inventors: Kyle E. Hart, Mehmet Demirors, Timothy W. Gambrel, Philip P. Fontaine, Vivek Kalihari, Francis O. Olajide, Jr., Rajen M. Patel
  • Patent number: 11015043
    Abstract: The present disclosure provides a process. In an embodiment, the process includes blending a broad molecular weight distribution (MWD) ethylene-based polymer having an 121/12 ratio from 55 to 85 with a narrow MWD ethylene-based polymer having an 121/12 ratio from 20 to 50. The process includes forming a blend component comprising from 20 wt % to 45 wt % of the broad MWD ethylene-based polymer, from 80 wt % to 55 wt % of the narrow MWD ethylene-based polymer, and optional carbon black. The blend component has a density from 0.925 g/cc to 0.955 g/cc and an 121/12 ratio from 30 to 55. The process includes extruding the blend component over a conductor at a rate greater than 1.02 m/s, and forming a conductor jacket having a surface smoothness from 30 ?-inch to 80 ?-inch.
    Type: Grant
    Filed: December 18, 2017
    Date of Patent: May 25, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Anny L. Flory, Mohamed Esseghir, Chester J. Kmiec, Rajen M. Patel, Karl M. Seven