Patents by Inventor Brian W. Walther

Brian W. Walther 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: 20200047962
    Abstract: The present disclosure provides a flexible container. In an embodiment, the flexible container includes (A) a front panel, a rear panel, a first gusseted side panel, and a second gusseted side panel. The gusseted side panels adjoin the front panel and the rear panel along peripheral seals to form a chamber. (B) Each peripheral seal has (i) a body seal inner edge (BSIE) with a bottom end and an opposing top end, (ii) a bottom tapered seal inner edge (b-TSIE) extending from the BSIE bottom end, and (iii) a top tapered seal inner edge (t-TSIE) extending from the BSIE top end. (C) The t-TSIE has a length that is at least 1.1 times greater than the length of the BSIE (in mm).
    Type: Application
    Filed: April 23, 2018
    Publication date: February 13, 2020
    Inventors: Marc S. Black, Simon Tage Jespersen, Chad V. Schuette, Muhammad Ali Siddiqui, Haley A. Lowry, Fabrice Digonnet, Brian W. Walther, Jeffrey E. Bonekamp
  • Publication number: 20190351657
    Abstract: Embodiments are directed to a tie layer composition comprising functionalized polyethylene, styrene block copolymer, base polyethylene, and antioxidant co-stabilizers, wherein the antioxidant co-stabilizers comprise at least one oxygen scavenger, at least one peroxy free radical scavenger, and at least one alkyl free radical scavenger. Further embodiments are directed to multilayer films or sheets which include the tie layer composition.
    Type: Application
    Filed: November 10, 2017
    Publication date: November 21, 2019
    Applicant: Dow Global Technologies LLC
    Inventors: Sydney E. Hansen, Brian W. Walther, Hayley A. Brown, Santosh S. Bawiskar
  • Patent number: 10471690
    Abstract: The present disclosure provides a multilayer film. In an embodiment, a multilayer film is provided and includes: a layer (A) comprising an olefin-based polymer; a layer (B) that is a tie layer comprising a sulfonamide derivative grafted olefin-based polymer (SD-g-PO); and a layer (C) comprising a polar component.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: November 12, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Jerzy Klosin, Ahmad Madkour, Adriana I. Moncada, Brian W. Walther
  • Publication number: 20190292423
    Abstract: The present invention provides polymer blends that can be used in a multilayer structure and to multilayer structures comprising one or more layers formed from such blends. In one aspect, a polymer blend comprises an ionomer of a copolymer comprising ethylene and at least one of acrylic acid and methacrylic acid having a melt index (I2) of 1 to 60 g/10 minutes, wherein the total amount of ionomer comprises 50 to 99 weight percent of the blend based on the total weight of the blend, and a polyolefin having a density of 0.870 g/cm3 or more and having a melt index (I2) of 20 g/10 minutes or less, wherein the polyolefin comprises 1 to 50 weight percent of the blend based on the total weight of the blend, wherein the polymer blend meets the following equation: 3.5<2.76-60*I2(PO+308*RVR+0.023*A<4.
    Type: Application
    Filed: November 17, 2017
    Publication date: September 26, 2019
    Inventors: Carmelo Declet Perez, Brian W. Walther, James L. Cooper, Hayley A. Brown
  • Publication number: 20190292358
    Abstract: The present invention provides polymer blends that can be used in a multilayer structure and to multilayer structures comprising one or more layers formed from such blends. In one aspect, a polymer blend comprises a copolymer comprising ethylene and at least one of methyl acrylate and ethyl acrylate having an acrylate content of 5 to 40 weight percent based on the weight of the copolymer and having a melt index (I2) of 1 to 60 g/10 minutes, wherein the total amount of ethylene methyl acrylate copolymer and ethylene ethyl acrylate copolymer comprises 45 to 99 weight percent of the blend based on the total weight of the blend, and a polyolefin having a density of 0.870 g/cm3 or more and having a melt index (I2) of 20 g/10 minutes or less, wherein the polyolefin comprises 1 to 55 weight percent of the blend based on the total weight of the blend.
    Type: Application
    Filed: November 17, 2017
    Publication date: September 26, 2019
    Inventors: Carmelo Declet Perez, Brian W. Walther, James L. Cooper, Hayley A. Brown
  • Patent number: 10300686
    Abstract: A multi-layer structure comprising: a) at least one layer comprising a polyolefin component comprising i) 60 to 94 weight percent of a first component selected from the group consisting of ethylene homopolymer, ethylene copolymer, polypropylene homopolymer, polypropylene copolymer, and combinations thereof ii) 0-35 weight percent of a functional polymer component, and iii) 1-35 weight percent of a compatibilizer component comprising an anhydride and/or carboxylic acid functionalized ethylene/alpha-olefin interpolymer having a melt viscosity (177° C.) less than, or equal to, 200,000 cP and a density from 0.855 to 0.94 g/cc; b) at least one tie layer comprising maleic-anhydride grafted polymer with a melt index of less than 50 dg/min, wherein the tie layer does not contain the compatibilizer component; and c) at least one polar layer comprising a polar polymer, is disclosed.
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: May 28, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Shaun Parkinson, Didem Oner-Deliormanli, Carolina Chirinos, Brian W. Walther
  • Patent number: 10183924
    Abstract: The present disclosure provides a composition. In an embodiment, a composition is provided and includes an ethylene/?-olefin/diene terpolymer and a polar component. The composition also includes a sulfonamide phthalic anhydride linkage (SPA) bonding the ethylene/?-olefin/diene terpolymer to the polar component.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: January 22, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Jerzy Klosin, Adriana I. Moncada, Brian W. Walther, Michael D. Read
  • Patent number: 10131121
    Abstract: The invention provides a film comprising at least two layers, a first layer and a second layer; and wherein the first layer is formed from a first composition comprising a polyester, a polylactic acid, or a combination thereof; and wherein the second layer is formed from a second composition comprising at least the following: A) functionalized ethylene-based polymer, and B) ethylene/alpha-olefin interpolymer; and wherein the first layer is adjacent to the second layer.
    Type: Grant
    Filed: March 5, 2013
    Date of Patent: November 20, 2018
    Assignee: Dow Global Technologies LLC
    Inventors: Didem Oner-Deliormanli, Marlos G. Oliveira, Ashish Batra, Rajen M. Patel, Brian W. Walther
  • Publication number: 20180304602
    Abstract: The present invention provides polymer blends that can be used in a multilayer structure and to multilayer structures comprising one or more layers formed from such blends. In one aspect, a polymer blend comprises a copolymer comprising ethylene and at least one of acrylic acid and methacrylic acid having an acid content greater than 4 and up to 25 weight percent based on the weight of the copolymer and having a melt index (I2) of 1 to 60 g/10 minutes, wherein the total amount of ethylene acrylic acid copolymer and ethylene methacrylic acid copolymer comprises 45 to 99 weight percent of the blend based on the total weight of the blend, and a polyolefin having a density of 0.870 g/cm3 or more and having a melt index (I2) of 20 g/10 minutes or less, wherein the polyolefin comprises 1 to 55 weight percent of the blend based on the total weight of the blend.
    Type: Application
    Filed: November 18, 2016
    Publication date: October 25, 2018
    Inventors: Carmelo Declet Perez, Brian W. Walther, James L. Cooper, Michael B. Biscoglio, John A. Naumovitz
  • Patent number: 10072146
    Abstract: A composition comprising at least the following components: (A) a first composition comprising the following: i) a first interpolymer comprising, in polymerized form, ethylene, an ?-olefin, and a nonconjugated polyene; ii) a second interpolymer comprising, in polymerized form, ethylene, an ?-olefin and a nonconjugated polyene; and wherein the first composition has an MWD less than, or equal to, 3.5, a Mooney Viscosity (ML (1+4 @125° C.)) greater than, or equal to, 80, and an [(ML(1+4 @125° C.))/Mw(conv)]*1000 greater than 0.429 mole/g; (B) a thermoplastic polymer; and (C) a vulcanization agent is provided. A crosslinked composition made by heating one or more of the inventive compositions is also provided. Articles made from one or more of the inventive compositions are also provided.
    Type: Grant
    Filed: December 29, 2011
    Date of Patent: September 11, 2018
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Xiaosong Wu, Jose M. Rego, Kim L. Walton, Brian W. Walther, Michael D. Read
  • Publication number: 20180171186
    Abstract: The present invention provides resins that can be used as a tie layer in a multilayer structure and to multilayer structures comprising one or more tie layers formed from such resins. In one aspect, a resin for use as a tie layer in a multilayer structure that comprises a high density polyethylene having a density greater than 0.960 g/cm3, wherein the high density polyethylene comprises 1 to 99 weight percent of the resin, a maleic anhydride grafted high density polyethylene, wherein the maleic anhydride grafted high density polyethylene comprises 1 to 99 weight percent of the resin, and a catalyst comprising at least one Lewis acid.
    Type: Application
    Filed: August 5, 2016
    Publication date: June 21, 2018
    Inventors: Yong Zheng, Brian W. Walther, Santosh S. Bawiskar, Cristina Serrat
  • Publication number: 20180001603
    Abstract: The present disclosure provides a multilayer film. In an embodiment, a multilayer film is provided and includes: a layer (A) comprising an olefin-based polymer; a layer (B) that is a tie layer comprising a sulfonamide derivative grafted olefin-based polymer (SD-g-PO); and a layer (C) comprising a polar component.
    Type: Application
    Filed: December 30, 2015
    Publication date: January 4, 2018
    Applicant: Dow Global Technologies LLC
    Inventors: Jerzy Klosin, Ahmad Madkour, Adriana I. Moncada, Brian W. Walther
  • Publication number: 20170348950
    Abstract: A multi-layer structure comprising: a) at least one layer comprising a polyolefin component comprising i) 60 to 94 weight percent of a first component selected from the group consisting of ethylene homopolymer, ethylene copolymer, polypropylene homopolymer, polypropylene copolymer, and combinations thereof ii) 0-35 weight percent of a functional polymer component, and iii) 1-35 weight percent of a compatibilizer component comprising an anhydride and/or carboxylic acid functionalized ethylene/alpha-olefin interpolymer having a melt viscosity (177° C.) less than, or equal to, 200,000 cP and a density from 0.855 to 0.94 g/cc; b) at least one tie layer comprising maleic-anhydride grafted polymer with a melt index of less than 50 dg/min, wherein the tie layer does not contain the compatibilizer component; and c) at least one polar layer comprising a polar polymer, is disclosed.
    Type: Application
    Filed: November 10, 2015
    Publication date: December 7, 2017
    Inventors: Shaun Parkinson, Didem Oner-Deliormanli, Carolina Chirinos, Brian W. Walther
  • Publication number: 20170334176
    Abstract: A multi-layer shrink film comprising, consisting of, or consisting essentially of at least two layers, Layer A and Layer B, wherein Layer A is at least one skin layer comprising an amorphous glassy polymer material and Layer B is at least one core layer comprising i) 15-100 weight percent of a maleic anhydride-modified plastomer having a density in the range of 0.86-0.925 g/cm3; and ii) optionally a polyolefm which does not contain maleic anhydride having a density in the range of 0.86-0.925 g/cm3 and wherein the multi-level shrink film has an overall density of less than 1.0 g/cm3, is disclosed.
    Type: Application
    Filed: November 10, 2015
    Publication date: November 23, 2017
    Inventors: Cody W. Lawrence, Brian W. Walther
  • Patent number: 9809703
    Abstract: The invention provides a composition comprising a first composition comprising the following: A) a first ethylene/?-olefin interpolymer that has a weight average molecular weight (Mw) greater than 90,000 g/mole and a MWD less than, or equal to 3, each as determined by conventional GPC; B) a second ethylene/?-olefin interpolymer; and wherein the first composition has a number average molecular weight (Mn) less than 10,000 g/mole, as determined by conventional GPC; and wherein the ?-olefin of first interpolymer is the same as the ?-olefin of the second interpolymer.
    Type: Grant
    Filed: December 27, 2012
    Date of Patent: November 7, 2017
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Brian W. Walther, Timothy E. Clayfield, Curvel Hypolite
  • Publication number: 20170266935
    Abstract: A multilayer structure comprising a maleic anhydride functionalized polyolefin layer applied to a metal containing layer is provided. Further provided is a packaging comprising the multilayer structure.
    Type: Application
    Filed: December 14, 2015
    Publication date: September 21, 2017
    Applicants: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Mai Chen, Brian W. Walther, James L. Cooper
  • Publication number: 20170217130
    Abstract: A multilayer structure comprising at least one barrier layer, said barrier layer including less than or equal to 12 percent, by weight of the barrier layer, of an anhydride and/or carboxylic acid functionalized ethylene/alpha-olefin interpolymer having a density in the range of from 0.855 to 0.900 g/cm3; and having a melt viscosity less than 50,000 cP at 350° F. (177° C.); and at least 60 percent, by weight of the barrier layer, of EVOH having from 10 to 32 mole percent units derived from ethylene monomer is provided. Further provided are thermoformed articles made therefrom.
    Type: Application
    Filed: October 1, 2015
    Publication date: August 3, 2017
    Applicant: Dow Global Technologies LLC
    Inventors: Lamy J. Chopin, III, Fanny Deplace, Brian W. Walther, Claudia Hernandez, Felipe Martinez Barreneche
  • Publication number: 20170190823
    Abstract: The present disclosure provides a composition. In an embodiment, a composition is provided and includes an ethylene/?-olefin/diene terpolymer and a polar component. The composition also includes a sulfonamide phthalic anhydride linkage (SPA) bonding the ethylene/?-olefin/diene terpolymer to the polar component.
    Type: Application
    Filed: December 19, 2016
    Publication date: July 6, 2017
    Inventors: Jerzy Klosin, Adriana I. Moncada, Brian W. Walther, Michael D. Read
  • Publication number: 20170182728
    Abstract: A multilayer film comprising a first layer comprising from greater than 0 to 100 percent by weight of an ethylene/?-olefin interpolymer composition (LLDPE), based on the total weight of the film composition; and a second layer comprising at least 5 percent by weight of the second layer, of an anhydride and/or carboxylic acid functionalized ethylene/alpha-olefin interpolymer having a density in the range of from 0.855 to 0.900 g/cm3; and having a melt index (190° C./2.16 kg) of greater than 200 g/10 min; and from 60 to 95 percent, by weight of the second layer, of EVOH is provided.
    Type: Application
    Filed: April 1, 2015
    Publication date: June 29, 2017
    Inventors: Fanny DePlace, Hongming Ma, Brian W. Walther, Thomas Allgeuer, Peter H.R. Sandkuehler, Antonio Manrique, Claudia Hernandez, Angels Domenech, Lamy J. Chopin, III
  • Patent number: 9527971
    Abstract: The invention provides a composition comprising at least the following: A) an anhydride and/or carboxylic acid functionalized ethylene/alpha-olefin interpolymer having the following properties: i) a melt viscosity (177° C.) less than, or equal to, 200,000 cP, ii) a density from 0.855 to 0.900 g/cc; B) an ethylene-based polymer; and C) a polar polymer.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: December 27, 2016
    Assignee: Dow Global Technologies LLC
    Inventors: Didem Oner-Deliormanli, Brian W. Walther, Rajen M. Patel, Gregory Bunker, John W. Garnett, IV