Patents by Inventor David T. Gillespie

David T. Gillespie 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: 11098183
    Abstract: 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: Grant
    Filed: February 27, 2018
    Date of Patent: August 24, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Teresa P. Karjala, Jose Ortega, Lori L. Kardos, David T. Gillespie, John N. Naumovitz, Chuan Yar Lai, Zachary L. Polk
  • Publication number: 20210230409
    Abstract: Embodiments of polymer compositions and articles comprising such compositions contain at least one multimodal ethylene-based polymer having at least three ethylene-based components, wherein the multimodal ethylene-based polymer exhibits improved toughness.
    Type: Application
    Filed: December 19, 2018
    Publication date: July 29, 2021
    Applicant: Dow Global Technologies LLC
    Inventors: Carl N. Iverson, Amaldo T. Lorenzo, Yijian Lin, Mehmet Demirors, Didem Oner-Deliormanli, David T. Gillespie
  • 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: 20210108053
    Abstract: 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: Application
    Filed: February 27, 2018
    Publication date: April 15, 2021
    Applicant: Dow Global Technologies LLC
    Inventors: Teresa P. Karjala, Jose Ortega, Lori L. Kardos, David T. Gillespie, John N. Naumovitz, Chuan Yar Lai, Zachary L. Polk
  • Publication number: 20210102051
    Abstract: Embodiments of polymer compositions and articles comprising such compositions containing at least one LDPE and at least one multimodal ethylene-based polymer having at least three ethylene-based components.
    Type: Application
    Filed: December 19, 2018
    Publication date: April 8, 2021
    Applicant: Dow Global Technologies LLC
    Inventors: Mehmet Demirors, Yijian Lin, Didem Oner-Deliormanli, Arnaldo T. Lorenzo, David T. Gillespie, Carl N. Iverson
  • Patent number: 10836852
    Abstract: A composition comprising an ethylene-based polymer, wherein the ethylene-based polymer comprises the following properties: a) an Mw(abs) from 130,000 to 162,000 g/mol; b) a melt index (I2) from 1.5 to 3.0 g/10 min; c) an ADF LS from 0.350 to 0.450 for molecular weight ?500,000 g/mol.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: November 17, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Teresa P. Karjala, Lori L. Kardos, David T. Gillespie, Zachary L. Polk
  • Publication number: 20200332036
    Abstract: Embodiments of a polymer compositions and articles comprising such compositions contain at least one multimodal ethylene-based polymer, wherein the multimodal ethylene-based polymer exhibits superior low temperature performance.
    Type: Application
    Filed: December 19, 2018
    Publication date: October 22, 2020
    Applicant: Dow Global Technologies LLC
    Inventors: Didem Oner-Deliormanli, Yijian Lin, Mehmet Demirors, Jong-young Lee, David T. Gillespie
  • 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: 10759928
    Abstract: A composition comprising an ethylene-based polymer, which comprises the following properties: a) (Mw(abs)/Mw(conv)?2.00)*(100,000 g/mol/Mw(abs))*CDF?IR #191 (MW?10,000 g/mol)?0.030; and b) a melt index (I2) from 0.30 to 2.50 g/10 min.
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: September 1, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Hayley A. Brown, Teresa P. Karjala, Lori L. Kardos, David T. Gillespie, Zachary L. Polk, Jose Ortega
  • Patent number: 10759927
    Abstract: The invention provides a composition comprising an ethylene-based polymer, wherein the ethylene-based polymer comprises the following properties: a) a Mw(abs)/Mw(conv) >2.60; and b) a CDFRIR (at Mw<10,000 g/mole) >0.145.
    Type: Grant
    Filed: February 16, 2017
    Date of Patent: September 1, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Teresa P. Karjala, Lori L. Kardos, Hayley A. Brown, David T. Gillespie, Zachary L. Polk, Jose Ortega
  • Publication number: 20200263008
    Abstract: The invention provides a composition comprising an ethylene-based polymer, wherein the ethylene-based polymer comprises the following properties: a) a Mw(abs)/Mw(conv)>2.60; and b) a CDFRIR (at Mw<10,000 g/mole)>0.145.
    Type: Application
    Filed: February 16, 2017
    Publication date: August 20, 2020
    Applicant: Dow Global Technologies LLC
    Inventors: Teresa P. KARJALA, Lori L. KARDOS, Hayley A. BROWN, David T. GILLESPIE, Zachary L. POLK, Jose ORTEGA
  • 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: 20200109271
    Abstract: A composition comprising an ethylene-based polymer, which comprises the following properties: a) (Mw(abs)/Mw(conv)?2.00)*(100,000 g/mol/Mw(abs))*CDF?IR #191 (MW?10,000 g/mol)?0.030; and b) a melt index (I2) from 0.30 to 2.50 g/10 min.
    Type: Application
    Filed: May 17, 2017
    Publication date: April 9, 2020
    Applicant: Dow Global Technologies LLC
    Inventors: Hayley A. Brown, Teresa P. Karjala, Lori L. Kardos, David T. Gillespie, Zachary L. Polk, Jose Ortega
  • Publication number: 20200109223
    Abstract: A composition comprising an ethylene-based polymer, wherein the ethylene-based polymer comprises the following properties: a) an Mw(abs) from 130,000 to 162,000 g/mol; b) a melt index (I2) from 1.5 to 3.0 g/10 min; c) an ADF LS from 0.350 to 0.450 for molecular weight ?500,000 g/mol.
    Type: Application
    Filed: March 19, 2018
    Publication date: April 9, 2020
    Applicant: Dow Global Technologies LLC
    Inventors: Teresa P. Karjala, Lori L. Kardos, David T. Gillespie, Zachary L. Polk
  • 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: 20180199504
    Abstract: A system and method for the automated or semi-automated imagining and orienting of seeds to prepare the seeds for transformation and transgenic engineering.
    Type: Application
    Filed: March 16, 2018
    Publication date: July 19, 2018
    Applicant: Dow AgroSciences LLC
    Inventors: Donald L. McCarty, II, Sivarama Reddy Chennareddy, Toby Cicak, Rodrigo Sarria, David T. Gillespie
  • Patent number: 9980424
    Abstract: A system and method for the automated or semi-automated preparation of seeds for transformation and transgenic engineering.
    Type: Grant
    Filed: May 5, 2015
    Date of Patent: May 29, 2018
    Assignee: Dow AgroSciences LLC
    Inventors: Donald L. McCarty, II, Sivarama Reddy Chennareddy, Toby Cicak, Rodrigo Sarria, David T. Gillespie, Thomas J. Parsons, Scott R. Kaleyta
  • Patent number: 9924626
    Abstract: A system and method for the automated or semi-automated imagining and orienting of seeds to prepare the seeds for transformation and transgenic engineering.
    Type: Grant
    Filed: May 5, 2015
    Date of Patent: March 27, 2018
    Assignee: Dow AgroSciences LLC
    Inventors: Donald L. McCarty, II, Sivarama Reddy Chennareddy, Toby Cicak, Rodrigo Sarria, David T. Gillespie
  • Patent number: 9631059
    Abstract: The instant invention provides a polyolefin composition suitable for packaging applications, films, multilayer structures and packaging devices made therefrom. The polyolefin composition according to the present invention comprises: an ethylene/?-olefin interpolymer composition comprising (a) from 50 to 75 percent by weight of a first ethylene/?-olefin copolymer fraction having a density in the range of 0.894 to 0.908 g/cm3, a melt index (I2) in the range of from 0.2 to 1 g/10 minutes, and (b) from 25 to 50 percent by weight of a second ethylene/?-olefin copolymer fraction, and wherein said ethylene/?-olefin interpolymer composition has a density in the range of 0.910 to 0.924 g/cm3, a melt index (I2) in the range of from 0.5 to 2 g/10 minutes, a zero shear viscosity ratio (ZSVR) in the range of from 1.15 to 2.5, a molecular weight distribution, expressed as the ratio of the weight average molecular weight to number average molecular weight (Mw/Mn) in the range of from 2.0 to 4.0, and tan delta at 0.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: April 25, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Mehmet Demirors, Mridula Kapur, Pradeep Jain, Philip P. Fontaine, Douglas S. Ginger, David T. Gillespie, Mustafa Bilgen