Patents by Inventor Gary R. Marchand

Gary R. Marchand 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: 11306173
    Abstract: Semi-crystalline, thermoplastic polyolefin block copolymers comprising: (A) A first polyolefin A block comprising isotactic poly(1-butene) (iPB); (B) A polyolefin B block comprising an ethylene and/or alpha-olefin/1-butene copolymer or terpolymer; and (C) A second polyolefin A block comprising isotactic poly(1-butene) (iPB); the A and B blocks bonded to one another to form a block copolymer in which the first and second polyolefin A blocks are joined to and separated by the polyolefin B block. In one embodiment the polyolefin block copolymer is a BAB block copolymer.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: April 19, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Endre Szuromi, Justin M. Virgill, Robert F. Wendel, Jeffrey C. Munro, Gary R. Marchand, Edmund M. Carnahan, Kim L. Walton
  • Publication number: 20210277166
    Abstract: Semi-crystalline, thermoplastic polyolefin block copolymers comprising: (A) A first polyolefin A block comprising isotactic poly(1-butene) (iPB); (B) A polyolefin B block comprising an ethylene and/or alpha-olefin/1-butene copolymer or terpolymer; and (C) A second polyolefin A block comprising isotactic poly(1-butene) (iPB); the A and B blocks bonded to one another to form a block copolymer in which the first and second polyolefin A blocks are joined to and separated by the polyolefin B block. In one embodiment the polyolefin block copolymer is a BAB block copolymer.
    Type: Application
    Filed: July 19, 2017
    Publication date: September 9, 2021
    Inventors: Endre Szuromi, Justin M. Virgill, Robert F. Wendel, Jeffrey C. Munro, Gary R. Marchand, Edmund M. Carnahan
  • Patent number: 10676601
    Abstract: A composition comprising from 10 wt % to 86 wt % of an ethylene component including at least one ethylene based polymer having an ethylene content of at least 50.0 wt %, a melt index from 0.1 g/10 min to 100.0 g/10 min, and a density from 0.935 g/cm3 to 0.965 g/cm3; from 10 wt % to 86 wt % of a propylene component including at least one propylene based polymer having a propylene content of at least 50.0 wt % and a melt flow rate from 0.5 g/10 min to 200.0 g/10 min; from 2 wt % to 22 wt % of an octene component including at least one octene based polymer having an octene content of at least 80 wt %; and from 2 wt % to 20 wt % of a composite component including at least one selected from the group of a crystalline block composite and a specified block composite, derived from at least ethylene and an alpha-olefin.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: June 9, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Yushan Hu, Kim L. Walton, Gary R. Marchand, Kyle Anderson, Colin Li Pi Shan
  • Publication number: 20200165371
    Abstract: The invention provides functionalized block composites and crystalline block composites. In particular, the invention provides a functionalized olefin-based polymer formed from at least (A) and (B): (A) a crystalline block composite comprising: a block copolymer comprising a propylene-based crystalline block and crystalline ethylene-based block; a propylene-based crystalline polymer; and, a crystalline ethylene-based polymer; and (B) at least one functionalization agent or a functionalized olefin-based polymer formed from at least (A) and (B): (A) a crystalline block composite comprising: a block copolymer comprising a propylene-based crystalline block and crystalline ethylene-based block; a propylene-based crystalline polymer; and, a crystalline ethylene-based polymer; and (B) at least one functionalization agent.
    Type: Application
    Filed: November 21, 2019
    Publication date: May 28, 2020
    Inventors: Yushan Hu, Kim L. Walton, Gary R. Marchand, Michael D. Read, H. Craig Silvis
  • Patent number: 10648750
    Abstract: Thermally conductive materials comprising an olefin block composite and a thermally conductive filler, where the thermally conductive filler is present in an amount sufficient to increase the thermal conductivity of the olefin block composite relative to the olefin block composite in its neat state. Such thermally conductive materials can be used in various articles of manufacture, such as a thermal interface material or a molded heat dissipation component.
    Type: Grant
    Filed: October 14, 2015
    Date of Patent: May 12, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Mohamed Esseghir, Bharat I. Chaudhary, Jeffrey M. Cogen, Gary R. Marchand
  • Patent number: 10597520
    Abstract: A composition comprising from 10 wt % to 90 wt % of an ethylene component including at least one ethylene based polymer having an ethylene content of at least 50.0 wt %, a melt index from 0.1 g/10 min to 100.0 g/10 min, and a density from 0.935 g/cm3 to 0.965 g/cm3; from 10 wt % to 90 wt % of a propylene component including at least one propylene based polymer having a propylene content of at least 50.0 wt % and a melt flow rate from 0.5 g/10 min to 200.0 g/10 min; and from 1 wt % to 20 wt % of a composite component including a specified block composite, derived from at least ethylene and an alpha-olefin.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: March 24, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Yushan Hu, Kyle Anderson, Gary R. Marchand, Kim L. Walton, Colin LiPiShan
  • Patent number: 10589496
    Abstract: Disclosed herein is a multilayer film comprising two outer layers; where each outer layer comprises polyethylene; two tie layers; where each tie layer comprises a crystalline block composite; where each tie layer has a first face and a second face that are opposed to each other, and where the first face of each tie layer contacts at least one outer layer; and a core layer; where the core layer comprises a polypropylene; where the second face of each tie layer contacts the core layer. Disclosed herein is a method that includes coextruding the aforementioned multilayered film.
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: March 17, 2020
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Yushan Hu, Rajen M. Patel, Gary R. Marchand, Sharon L. Baker, Christopher I. Gandy, Lori L. Kardos
  • Patent number: 10487167
    Abstract: The invention provides functionalized block composites and crystalline block composites. In particular, the invention provides a functionalized olefin-based polymer formed from at least (A) and (B): (A) a crystalline block composite comprising: a block copolymer comprising a propylene-based crystalline block and crystalline ethylene-based block; a propylene-based crystalline polymer; and, a crystalline ethylene-based polymer; and (B) at least one functionalization agent or a functionalized olefin-based polymer formed from at least (A) and (B): (A) a crystalline block composite comprising: a block copolymer comprising a propylene-based crystalline block and crystalline ethylene-based block; a propylene-based crystalline polymer; and, a crystalline ethylene-based polymer; and (B) at least one functionalization agent.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: November 26, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Yushan Hu, Kim L. Walton, Gary R. Marchand, Michael D. Read, H. Craig Silvis
  • Patent number: 10487247
    Abstract: The present disclosure provides a composition. In an embodiment a composition is provided and includes: (A) a carboxylic-functionalized ethylene/a-olefin interpolymer having (i) a density from 0.855 g/cc to 0.895 g/cc; and (ii) a melt viscosity, at 177° C., less than, or equal to, 50,000 mPa·s; and (B) a propylene-based interpolymer having (i) a density from 0.870 g/cc to 0.890 g/cc; and (ii) a melt viscosity, at 177° C., less than, or equal to, 50,000 mPa·s.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: November 26, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Yi Jin, Selim Yalvac, Jozef Van Dun, Gary R. Marchand
  • Patent number: 10344154
    Abstract: A thermoplastic vulcanizate composition includes (A) greater than 15 wt % of a block composite that has (i) an ethylene/alpha-olefin/diene interpolymer in which the alpha-olefin is an alpha olefin monomer having from 3 to 10 carbon atoms and the diene is a diene monomer having from 2 to 25 carbon atoms, (ii) a propylene based polymer, and (iii) a block copolymer comprising a soft block and a hard block in which the soft block has the same composition as the ethylene/alpha-olefin/diene polymer and the hard block has the same composition as the propylene based polymer; and (B) a remainder of a curative system and optionally at least one of a vulcanizable elastomer, a thermoplastic polyolefin, and an oil.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: July 9, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Xiaosong Wu, Colin Li Pi Shan, Kim L. Walton, Gary R. Marchand
  • Patent number: 10233363
    Abstract: A hot melt adhesive composition includes (A) 10-95 wt % of a random or homogeneous propylene-based interpolymer having: (i) a comonomer content of at least one of C2 and C4-10 a-olefin of 7 wt % to 49 wt % based on the total weight of the propylene-based interpolymer, (ii) an MWD of 4 or less, (iii) a density of 0.
    Type: Grant
    Filed: August 20, 2015
    Date of Patent: March 19, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Yi Jin, Kim L. Walton, Gary R. Marchand
  • Patent number: 10208193
    Abstract: Embodiments of the invention provide a reinforced polypropylene comprising a multi-modal molecular weight distribution elastomer and a block composite.
    Type: Grant
    Filed: June 24, 2013
    Date of Patent: February 19, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Yi Jin, Kim L. Walton, Edmund M. Carnahan, Gary R. Marchand, Xuming Chen, Jeffrey D. Weinhold, Jerzy Klosin, A. Willem Degroot, Philip P. Fontaine
  • Publication number: 20190040241
    Abstract: A composition comprising from 10 wt % to 90 wt % of an ethylene component including at least one ethylene based polymer having an ethylene content of at least 50.0 wt %, a melt index from 0.1 g/10 min to 100.0 g/10 min, and a density from 0.935 g/cm3 to 0.965 g/cm3; from 10 wt % to 90 wt % of a propylene component including at least one propylene based polymer having a propylene content of at least 50.0 wt % and a melt flow rate from 0.5 g/10 min to 200.0 g/10 min; and from 1 wt % to 20 wt % of a composite component including a specified block composite, derived from at least ethylene and an alpha-olefin.
    Type: Application
    Filed: September 8, 2016
    Publication date: February 7, 2019
    Inventors: Yushan Hu, Kyle Anderson, Gary R Marchand, Kim L Walton, Colin LiPiShan
  • 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
  • Patent number: 10096404
    Abstract: A power cable comprising: (A) a conductor, (B) an insulation layer, and (C) a semiconductor layer comprising in weight percent based on the weight of the semiconductor layer: (1) 49-98% of a crosslinked olefin block copolymer (OBC) having a density less than (<) 0.9 grams per cubic centimeter (g/cm3), a melt index greater than (>) 1, and comprising in weight percent based on the weight of the OBC: (a) 35-80% soft segment that comprises 5-50 mole percent (mol %) of units derived from a monomer comprising 3 to 30 carbon atoms; and (b) 20-65% hard segment that comprises 0.2-3.5 mol % of units derived from a monomer comprising 3 to 30 carbon atoms; (2) 2-51% conductive filler, the insulation layer and semiconductor layer in contact with one another, is degassed by a process comprising the step of exposing the cable to a temperature of at least 80° C. for a period of time of at least 24 hours.
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: October 9, 2018
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Paul J. Brigandi, Bharat I. Chaudhary, Jeffrey C. Munro, Gary R. Marchand
  • Publication number: 20180265753
    Abstract: The present disclosure provides a composition. In an embodiment a composition is provided and includes: (A) a carboxylic-functionalized ethylene/a-olefin interpolymer having (i) a density from 0.855 g/cc to 0.895 g/cc; and (ii) a melt viscosity, at 177° C., less than, or equal to, 50,000 mPa·s; and (B) a propylene-based interpolymer having (i) a density from 0.870 g/cc to 0.890 g/cc; and (ii) a melt viscosity, at 177° C., less than, or equal to, 50,000 mPa·s.
    Type: Application
    Filed: September 22, 2016
    Publication date: September 20, 2018
    Inventors: Yi Jin, Selim Yalvac, Jozef Van Dun, Gary R. Marchand
  • Publication number: 20180258266
    Abstract: A composition comprising from 10 wt % to 86 wt % of an ethylene component including at least one ethylene based polymer having an ethylene content of at least 50.0 wt %, a melt index from 0.1 g/10 min to 100.0 g/10 min, and a density from 0.935 g/cm3 to 0.965 g/cm3; from 10 wt % to 86 wt % of a propylene component including at least one propylene based polymer having a propylene content of at least 50.0 wt % and a melt flow rate from 0.5 g/10 min to 200.0 g/10 min; from 2 wt % to 22 wt % of an octene component including at least one octene based polymer having an octene content of at least 80 wt %; and from 2 wt % to 20 wt % of a composite component including at least one selected from the group of a crystalline block composite and a specified block composite, derived from at least ethylene and an alpha-olefin.
    Type: Application
    Filed: September 8, 2016
    Publication date: September 13, 2018
    Inventors: Yushan Hu, Kim L. Walton, Gary R. Marchand, Kyle Anderson, Colin Li Pi Shan
  • Patent number: 9932425
    Abstract: Improved reaction processes comprise reacting a mixture to form a product comprising a metal alkyl, metal oxide, or mixture thereof and then passing said product to a post-reactor heat exchanger. The improvement comprises one or more of the following: (1) reacting said metal alkyl compound with an acid to produce a soluble metal ester; or (2) adding an ionic surfactant; or (3) adding a mixture comprising an antioxidant to the product under conditions sufficient to avoid formation of significant amounts of insoluble metal or metal compounds derived from said metal alkyl compound; or (4) purging said post-reactor heat exchanger with an inert gas under conditions to remove metal oxide from the post-reactor heat exchanger.
    Type: Grant
    Filed: December 15, 2014
    Date of Patent: April 3, 2018
    Assignee: Dow Global Technologies LLC
    Inventors: Anthony J. Castelluccio, Jeffrey J. Dean, Alec Y. Wang, Lindsey A. Clark, Pradeep Jain, Roger L. Kuhlman, Angela N. Taha, Larry S. Green, Gary R. Marchand, Sean W. Ewart, Jeffrey A. Sims, Chris E. Blaschke, Brandon Fails
  • Publication number: 20170369691
    Abstract: A thermoplastic vulcanizate composition includes (A) greater than 15 wt % of a block composite that has (i) an ethylene/alpha-olefin/diene interpolymer in which the alpha-olefin is an alpha olefin monomer having from 3 to 10 carbon atoms and the diene is a diene monomer having from 2 to 25 carbon atoms, (ii) a propylene based polymer, and (iii) a block copolymer comprising a soft block and a hard block in which the soft block has the same composition as the ethylene/alpha-olefin/diene polymer and the hard block has the same composition as the propylene based polymer; and (B) a remainder of a curative system and optionally at least one of a vulcanizable elastomer, a thermoplastic polyolefin, and an oil.
    Type: Application
    Filed: December 11, 2015
    Publication date: December 28, 2017
    Inventors: Xiaosong Wu, Colin Li Pi Shan, Kim L. Walton, Gary R. Marchand
  • Patent number: 9840604
    Abstract: The present disclosure is directed to a composition and articles containing the composition. The composition comprises a foam and a plurality of gel particles dispersed in the foam. The gel particles comprise an olefin block copolymer and an oil.
    Type: Grant
    Filed: October 10, 2016
    Date of Patent: December 12, 2017
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Jeffrey C. Munro, Kaoru Aou, Raymond L. Laakso, Jr., Gary R. Marchand, Rogelio R. Gamboa