Patents by Inventor John L. Sugden

John L. Sugden 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: 11975466
    Abstract: An injection molded cap or closure having a weld line, wherein the injection molded cap or closure is formed from an ethylene-based resin comprising a high molecular weight component and a low molecular weight component.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: May 7, 2024
    Assignee: Dow Global Technologies LLC
    Inventors: Keran Lu, Yijian Lin, Mridula Kapur, Tian Lan, Stephanie M. Whited, John L. Sugden, Siddharth Ram Athreya
  • Publication number: 20230106941
    Abstract: Polyethylene formulations and articles produced therefrom, comprise a multimodal high density polyethylene (HDPE) composition, and 0.1 ppm to 300 ppm of a nucleating agent, wherein the multimodal HDPE composition comprises a density of 0.940 g/cm3 to 0.970 g/cm3 when measured according to ASTM D792, and a melt index (I2) of 0.1 g/10 min. to 10.0 g/10 min. when measured according to ASTM D1238 at 190° C. and a 2.16 kg load, and wherein the multimodal HDPE composition comprises an infrared cumulative detector fraction (CDFIR) of greater than 0.27 and an infrared cumulative detector fraction to light scattering cumulative detector fraction ratio (CDFIR/CDFLS) from 0.7 to 2.0.
    Type: Application
    Filed: October 6, 2022
    Publication date: April 6, 2023
    Applicant: Dow Global Technologies LLC
    Inventors: Yijian Lin, John L. Sugden, Mridula Babli Kapur, David T. Gillespie
  • Patent number: 11492467
    Abstract: Polyethylene formulations and articles produced therefrom, comprise a multimodal high density polyethylene (HDPE) composition, and 0.1 ppm to 300 ppm of a nucleating agent, wherein the multimodal HDPE composition comprises a density of 0.940 g/cm3 to 0.970 g/cm3 when measured according to ASTM D792, and a melt index (I2) of 0.1 g/10 min. to 10.0 g/10 min. when measured according to ASTM D1238 at 190° C. and a 2.16 kg load, and wherein the multimodal HDPE composition comprises an infrared cumulative detector fraction (CDFIR) of greater than 0.27 and an infrared cumulative detector fraction to light scattering cumulative detector fraction ratio (CDFIR/CDFLS) from 0.7 to 2.0.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: November 8, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Yijian Lin, John L. Sugden, Mridula Kapur, David T. Gillespie
  • Publication number: 20220176599
    Abstract: An injection molded cap or closure having a weld line, wherein the injection molded cap or closure is formed from an ethylene-based resin comprising a high molecular weight component and a low molecular weight component.
    Type: Application
    Filed: May 29, 2020
    Publication date: June 9, 2022
    Inventors: Keran Lu, Yijian Lin, Mridula Kapur, Tian Lan, Stephanie M. Whited, John L. Sugden, Siddharth Ram Athreya
  • Patent number: 11046841
    Abstract: Polyethylene formulations, articles produced therefrom, and methods of making articles are provided. The polyethylene formulation includes a multimodal high density polyethylene (HDPE) composition, and 1 ppm to 10,000 ppm of a nucleating agent, wherein the multimodal HDPE composition comprises a density of 0.940 g/cm3 to 0.970 g/cm3 when measured according to ASTM D792, and a melt index (I2) of 0.01 g/10 min. to 1.0 g/10 min. when measured according to ASTM D1238 at 190° C. and a 2.16 kg load, and wherein the multimodal HDPE composition comprises an infrared cumulative detector fraction (CDFIR) of greater than 0.27 and an infrared cumulative detector fraction to light scattering cumulative detector fraction ratio (CDFIR/CDFLS) from 0.7 to 2.0.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: June 29, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Yijian Lin, Mridula Babli Kapur, David T. Gillespie, John L. Sugden, Todd A. Hogan
  • Publication number: 20200277474
    Abstract: Polyethylene formulations, articles produced therefrom, and methods of making articles are provided. The polyethylene formulation includes a multimodal high density polyethylene (HDPE) composition, and 1 ppm to 10,000 ppm of a nucleating agent, wherein the multimodal HDPE composition comprises a density of 0.940 g/cm3 to 0.970 g/cm3 when measured according to ASTM D792, and a melt index (I2) of 0.01 g/10 min. to 1.0 g/10 min. when measured according to ASTM D1238 at 190° C. and a 2.16 kg load, and wherein the multimodal HDPE composition comprises an infrared cumulative detector fraction (CDFIR) of greater than 0.27 and an infrared cumulative detector fraction to light scattering cumulative detector fraction ratio (CDFIR/CDFLS) from 0.7 to 2.0.
    Type: Application
    Filed: December 15, 2016
    Publication date: September 3, 2020
    Applicant: Dow Global Technologies LLC
    Inventors: Yijian Lin, Mridula Babli Kapur, David T. Gillespie, John L. Sugden, Todd A. Hogan
  • Patent number: 10738182
    Abstract: A molded article formed from a polymer composition, the polymer composition consisting essentially of: an ethylene homopolymer or ethylene/alpha-olefin copolymer; greater than 20 ppm of a fluoropolymer; and optionally, up to 5 wt. % of one or more of processing aids, acid neutralizers, stabilizers, phosphites, antioxidants, metal de-activators, pigments or colorants, or fillers; wherein the molded article exhibits an oxygen transmission rate [OTR, (cc*mm)/(m2*day*atm)]??3181 (cc2*mm)/g*m2*day*atm)×[Density, g/cc]+3077, (cc*mm)/(m2*day*atm).
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: August 11, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Keran Lu, Yijian Lin, Todd O. Pangburn, Siddharth Ram Athreya, Laura Nunez, John L. Sugden, Todd A. Hogan, Andrew Heitsch, David T. Gillespie
  • Publication number: 20190322846
    Abstract: A molded article formed from a polymer composition, the polymer composition consisting essentially of: an ethylene homopolymer or ethylene/alpha-olefin copolymer; greater than 20 ppm of a fluoropolymer; and optionally, up to 5 wt.
    Type: Application
    Filed: April 23, 2018
    Publication date: October 24, 2019
    Inventors: Keran Lu, Yijian Lin, Todd O. Pangburn, Siddharth Ram Athreya, Laura Nunez, John L. Sugden, Todd A. Hogan, Andrew Heitsch, David T. Gillespie
  • Publication number: 20180371217
    Abstract: Polyethylene formulations and articles produced therefrom, comprise a multimodal high density polyethylene (HDPE) composition, and 0.1 ppm to 300 ppm of a nucleating agent, wherein the multimodal HDPE composition comprises a density of 0.940 g/cm3 to 0.970 g/cm3 when measured according to ASTM D792, and a melt index (I2) of 0.1 g/10 min. to 10.0 g/10 min. when measured according to ASTM D1238 at 190° C. and a 2.16 kg load, and wherein the multimodal HDPE composition comprises an infrared cumulative detector fraction (CDFIR) of greater than 0.27 and an infrared cumulative detector fraction to light scattering cumulative detector fraction ratio (CDFIR/CDFLS) from 0.7 to 2.0.
    Type: Application
    Filed: December 15, 2016
    Publication date: December 27, 2018
    Applicant: Dow Global Technologies LLC
    Inventors: Lin Yijian, John L. Sugden, Mridula Babli Kapur, David T. Gillespie
  • Publication number: 20160168369
    Abstract: The invention provides a composition comprising at least the following components: A) an ethylene-based polymer comprising the following properties: a) a high load melt index (I21) from 10 to 100 g/10 min, b) a density from 0.940 to 0.965 g/cc; B) from 20 ppm to 120 ppm, based on the weight of the composition, of at least one fluoropolymer comprising, in polymerized form, at least one vinylidene fluoride monomeric unit and at least one hexafluoropropylene monomeric unit; C) at least one polyalkylene oxide; and D) from 500 ppm to 2000 ppm, based on the weight of the composition, of at least one metal stearate.
    Type: Application
    Filed: August 6, 2014
    Publication date: June 16, 2016
    Inventors: John L. Sugden, John O. Osby
  • Patent number: 9303152
    Abstract: A method for processing a thermoplastic material that comprises a microwave-sensitive polymeric region, wherein the method includes exposing the microwave-sensitive polymeric region to microwaves; wherein the exposing results in an increase in the temperature of the polymeric region; and processing the thermoplastic material is disclosed.
    Type: Grant
    Filed: May 31, 2007
    Date of Patent: April 5, 2016
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Michael Cook, Rudolfo Salmang, Michael S. Paquette, Robert P. Haley, Jr., Sam L. Crabtree, Jose J. Longoria, Herbert Bongartz, Andreas Mayer, Saeed Siavoshani, Peter K. Mercure, Shih-Yaw Lai, Jeff Watkins, John L. Sugden, Ronald Van Daele
  • Patent number: 6821635
    Abstract: The present invention is a blend of a monovinylidene aromatic polymer, a rubber modified monovinylidene aromatic polymer, and a monovinyl aromatic-conjugated diene copolymer, which can be used to produce cost effective, transparent packaging materials with a good toughness, which materials can be produced using conventional thermoforming equipment. The blend comprises: a) from 49 to 70 weight percent based on the total weight of the blend, of a monovinylidene aromatic polymer having a weight average molecular weight (Mw) of from 210,000 to 400,000 and a melt flow of less than 12.0 g/10 min.
    Type: Grant
    Filed: February 19, 2003
    Date of Patent: November 23, 2004
    Assignee: Dow Global Technologoies Inc.
    Inventors: John L. Sugden, Phillip A. Wagner
  • Publication number: 20030149183
    Abstract: The present invention is a blend of a monovinylidene aromatic polymer, a rubber modified monovinylidene aromatic polymer, and a monovinyl aromatic-conjugated diene copolymer, which can be used to produce cost effective, transparent packaging materials with a good toughness, which materials can be produced using conventional thermoforming equipment.
    Type: Application
    Filed: February 19, 2003
    Publication date: August 7, 2003
    Inventors: John L. Sugden, Phillip A. Wagner
  • Publication number: 20020061974
    Abstract: The present invention is a blend of a monovinylidene aromatic polymer, a rubber modified monovinylidene aromatic polymer, and a monovinyl aromatic-conjugated diene copolymer, which can be used to produce cost effective, transparent packaging materials with a good toughness, which materials can be produced using conventional thermoforming equipment.
    Type: Application
    Filed: September 19, 2001
    Publication date: May 23, 2002
    Inventors: John L. Sugden, Phillip A. Wagner
  • Patent number: 6221471
    Abstract: The present invention is a blend of a monovinylidene aromatic polymer and a rubber modified monovinylidene aromatic polymer, which can be used to produce cost effective, transparent packaging that can be used in food packaging and non-food packaging markets, and can be produced using conventional thermoforming equipment. The blend comprises: a) from 50 to 88 wt. percent based on the total weight of the blend, of a monovinylidene aromatic polymer having a weight average molecular weight (Mw) of from 265,000 to 400,000 and a melt flow of less than 2.5 g/10 min.; and b) from 12 to 50 wt. percent based on the total weight of the blend, of a rubber modified monovinylidene aromatic polymer comprising a monovinylidene aromatic polymer matrix having rubber particles dispersed therein, wherein the rubber particles comprise, based on the total weight of the rubber particles, from 25 to 100 weight percent rubber particles having a capsule morphology and a volume average particle size of from 0.1 to 0.
    Type: Grant
    Filed: September 4, 1998
    Date of Patent: April 24, 2001
    Assignee: The Dow Chemical Company
    Inventors: Rodolfo J. Salmang, John L. Sugden