Patents by Inventor Allan Walter Mclennaghan

Allan Walter Mclennaghan 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).

  • Publication number: 20240101800
    Abstract: A composition comprising the following components: a) a first ethylene/alpha-olefin interpolymer that comprises the following properties: i) a melt viscosity (177° C.) from 2,000 to 50,000 mPa·s, ii) a density from 0.855 to 0.885 g/cc; b) a second ethylene/alpha-olefin interpolymer that comprises the following properties: i) a melt viscosity (177° C.) from 2,000 to 50,000 mPa·s, ii) a density from 0.900 to 0.960 g/cc; and wherein the weight ratio of component a to component b is from 1.0 to 100.
    Type: Application
    Filed: April 14, 2021
    Publication date: March 28, 2024
    Inventors: Wanfu Ma, Allan Walter Mclennaghan, Juan C. Tuberquia, Jozef Van Dun
  • Publication number: 20230272194
    Abstract: A hot melt adhesive (HMA) composition comprises: a) an ethylene/alpha-olefin multi-block interpolymer that has a melt viscosity (177° C.)?50,000 mPa·s; b) an anhydride and/or carboxylic acid functionalized propylene-based polymer that has a melt viscosity (190° C.)?50,000 mPa·s; c) a tackifier; and d) a wax. Such composition delivers both a high temperature heat resistance and a fast set time.
    Type: Application
    Filed: July 29, 2020
    Publication date: August 31, 2023
    Inventors: Wanfu Ma, Allan Walter Mclennaghan, Jozef Van Dun, Yanzhen Huang
  • Publication number: 20230193091
    Abstract: A composition comprising the following: a) at least one ethylene/alpha-olefin multi-block inteipolymer that comprises soft segments (SS) and hard segments (HS), and wherein the interpolymer comprises the following properties: i) a melt index (I2)?30 dg/min, ii) a molar ratio of “the alpha-olefin in the SS” to “the alpha-olefin in the HS”?18, iii) a weight ratio of the SS to the HS ?12.0; at least one tackifier and/or at least one oil.
    Type: Application
    Filed: April 29, 2021
    Publication date: June 22, 2023
    Inventors: Yi Jin, Jong-young Lee, Allan Walter Mclennaghan, Cynthia L. Rickey
  • Patent number: 11618818
    Abstract: A composition comprising an acid and/or anhydride grafted ethylene/alpha-olefin interpolymer that comprises the following properties: A) number of grafts per polymer chain?1.80, and B) melt viscosity (at 177° C.)?50,000 mPa·s.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: April 4, 2023
    Assignee: Dow Global Technologies LLC
    Inventors: Wanfu Ma, Santosh S. Bawiskar, Yi Jin, Ling Zhang-watson, Allan Walter Mclennaghan, Olaf Henschke
  • Publication number: 20220213355
    Abstract: The present disclosure provides a composition. The composition contains (A) an ethylene/?-olefin copolymer containing (i) ethylene and (ii) from 20 wt % to 35 wt % C6-C8 ?-olefin comonomer, the ethylene/?-olefin copolymer having a density from 0.880 g/cc to 0.895 g/cc, a melt viscosity, at 177° C., from 4,000 mPa·s to 20,000 mPa·s, and a glass transition temperature from ?55° C. to ?20° C.; (B) a tackifier, and (C) a wax.
    Type: Application
    Filed: April 15, 2019
    Publication date: July 7, 2022
    Inventors: Allan Walter McLennaghan, Yi Jin, Jozef J.I. Van Dun, Ryan Schneider, Wanfu Ma
  • Publication number: 20220195158
    Abstract: A composition contains (A) an ethylene/?-olefin copolymer having a density from 0.855 g/cc to 0.895 g/cc and a melt viscosity, at 177° C., from 5,000 mPa-s to 50,000 mPa-s; (B) a functionalized propylene-based polymer containing from 1 wt % to 10 wt % functional groups, the functionalized propylene-based polymer having a melt viscosity, at 190° C., from greater than 10,000 mPa-s to 50,000 mPa-s and a weight average molecular weight, Mw, greater than 30,000 g/mol; (C) a tackifier; and (D) a wax.
    Type: Application
    Filed: April 25, 2019
    Publication date: June 23, 2022
    Inventors: Wanfu Ma, Allan Walter McLennaghan, Josef J.I. Van Dun
  • Publication number: 20210198473
    Abstract: A composition comprising an acid and/or anhydride grafted ethylene/alpha-olefin interpolymer that comprises the following properties: A) number of grafts per polymer chain?1.80, and B) melt viscosity (at 177° C.)?50,000 mPa·s.
    Type: Application
    Filed: April 12, 2018
    Publication date: July 1, 2021
    Applicant: Dow Global Technologies LLC
    Inventors: Wanfu MA, Santosh S. BAWISKAR, Yi JIN, Ling ZHANG-WATSON, Allan Walter MCLENNAGHAN, Olaf HENSCHKE
  • Publication number: 20210115232
    Abstract: A composition comprising the following components: A) propylene/ethylene copolymer that has a density ?0.880 g/cc, and a MWD(conv) from 2.00 to 3.00 and a melt viscosity (177 C)?80,000 mPa*s; B) olefin multi-block copolymer that has a density ?0.890 g/cc and a melt index (I2)?0.5 g/10 min.
    Type: Application
    Filed: June 12, 2019
    Publication date: April 22, 2021
    Inventors: Allan Walter Mclennaghan, Yi Jin
  • Patent number: 10442924
    Abstract: The present disclosure provides a composition comprising: A) a propylene/C4-C10 alpha-olefin interpolymer; (i)) a total unsaturation per mole of propylene from 0.010% to 0.030%, (ii) a density from 0.855 g/cc to 0.890 g/cc, and (iii) a melt viscosity, at 177 C, from 500 cP to 200,000 cP.
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: October 15, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Allan Walter Mclennaghan, Yi Jin, Jozef Van Dun
  • Patent number: 10155889
    Abstract: A hot melt adhesive (HMA) composition includes (A) from 1-60 wt % of a block composite compatibilizer comprising (i) a hard polymer that includes propylene, (ii) a soft polymer that includes ethylene, and (iii) a block copolymer having a soft block and a hard block, the hard block of the block copolymer having the same composition as the hard polymer of the block composite compatibilizer and the soft block of the block copolymer having the same composition as the soft polymer of the block composite compatibilizer; (B) from 1-70 wt % of a tackifier; (C) from 1-40 wt % of at least one selected from the group of a wax and an oil; and (D) Optionally, from greater than zero to 97 wt % of a polymer component that includes an ethylene-based polymer and/or a propylene-based polymer.
    Type: Grant
    Filed: August 20, 2015
    Date of Patent: December 18, 2018
    Assignee: Dow Global Technologies LLC
    Inventors: Yi Jin, Kim L. Walton, Gary R. Marchand, Selim Yalvac, Allan Walter Mclennaghan, Burcak Conley, Dean Lee, Rongjuan Cong, Colin Li Pi Shan
  • Publication number: 20180201773
    Abstract: The present disclosure provides a composition comprising: A) a propylene/C4-C10 alpha-olefin interpolymer; (i)) a total unsaturation per mole of propylene from 0.010% to 0.030%, (ii) a density from 0.855 g/cc to 0.890 g/cc, and (iii) a melt viscosity, at 177 C, from 500 cP to 200,000 cP.
    Type: Application
    Filed: July 22, 2016
    Publication date: July 19, 2018
    Inventors: Allan Walter Mclennaghan, Yi Jin, Jozef Van Dun
  • Publication number: 20170240784
    Abstract: A hot melt adhesive (HMA) composition includes (A) from 1-60 wt % of a block composite compatibilizer comprising (i) a hard polymer that includes propylene, (ii) a soft polymer that includes ethylene, and (iii) a block copolymer having a soft block and a hard block, the hard block of the block copolymer having the same composition as the hard polymer of the block composite compatibilizer and the soft block of the block copolymer having the same composition as the soft polymer of the block composite compatibilizer; (B) from 1-70 wt % of a tackifier; (C) from 1-40 wt % of at least one selected from the group of a wax and an oil; and (D) Optionally, from greater than zero to 97 wt % of a polymer component that includes an ethylene-based polymer and/or a propylene-based polymer.
    Type: Application
    Filed: August 20, 2015
    Publication date: August 24, 2017
    Inventors: Yi Jin, Kim L. Walton, Gary R. Marchand, Salim Yalvac, Allan Walter Mclennaghan, Burcak Conley, Dean Lee, Rongjuan Cong, Colin LI Pi Shan