Patents by Inventor Maria Isabel Arroyo Villan

Maria Isabel Arroyo Villan 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: 11124902
    Abstract: A polyethylene tape, fiber, or monofilament comprising an ethylene/alpha-olefin polymer having a density greater than 0.945 g/cc, a melt index, I2.16, from 1.2 g/10 min to 2.0 g/10 min, a melt flow ratio, I10/I2.16, between 7.0 and 9.0, and a molecular weight distribution, Mw/Mn, of less than 5.5.
    Type: Grant
    Filed: November 7, 2016
    Date of Patent: September 21, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Cosme Llop, Maria Isabel Arroyo Villan
  • Publication number: 20210237408
    Abstract: A multilayer film includes a first film including at least a first layer and a second layer, and a second film extrusion coated onto the first layer of the first film. The multilayer film is free of adhesives. The first layer of the first film includes a first high density polyethylene (HDPE) having a density of from 0.935 to 0.965 g/cc and a melt index I2 of 0.3 to 2.0 and the second layer of the first film includes a polyolefin plastomer having a density of from 0.885 to 0.910 g/cc. The second film includes a second high density polyethylene (HDPE) having a density of from 0.945 to 0.965 g/cc and a melt index I?2 #191 of 4.0 to 20.0. The second film has a gloss of from 65% to 95% at 60 according to ASTM D2457.
    Type: Application
    Filed: August 22, 2019
    Publication date: August 5, 2021
    Applicant: Dow Global Technologies LLC
    Inventors: Przemyslaw Olszynski, Maria Isabel Arroyo Villan, Peter Hermann Roland Sandkuehler
  • Patent number: 10829288
    Abstract: Container (1) having a container body (10) having a sealing lip (12). The container (1) comprises a bottom perforated film (20) adhered to the sealing lip (12) at a first adhesion strength (S1), a top film (30) adhered to the bottom perforated film (20) at a second adhesion strength (S2) at locations not vertically aligned with a seal end (38), and wherein the top film (30) adheres to the bottom perforated film (20) at a third adhesion strength (S3) at the seal end (38). The third adhesion strength (S3) is greater than the first adhesion strength (S1) which is greater than the second adhesion strength (S2), such that the top film (30) is peelable relative to the bottom perforated film (24) at the opening end (36), and the top film (30) is peelable with the bottom perforated film (20) relative to the container body (10) at the seal end (38).
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: November 10, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Andre Farstad, Maria Isabel Arroyo Villan, Marcelo Tognola
  • Publication number: 20200180841
    Abstract: The present disclosure provides a packaging article (10). In an embodiment, the packaging article comprises (A) a rigid container (12) having side walls (14) and a bottom wall (16), the walls defining a compartment (20), and (B) a sheet (22) of 3-dimensional random loop material (3DRLM) in the compartment. A food item (C) may be located in the compartment, the food item contacts the sheet of 3DRLM.
    Type: Application
    Filed: June 19, 2018
    Publication date: June 11, 2020
    Inventors: Eduardo Alvarez, Maria Isabel Arroyo Villan, Shaun Parkinson, Viraj Shah
  • Patent number: 10589904
    Abstract: Embodiments of a flexible pouch (1) comprise a pouch body (10), a collapsible perforated folded panel (50), an opening seal (60) disposed between the collapsible perforated folded panel (50) and the second ends (18, 19) of a front wall (12) and a rear wall (14), wherein the opening seal (60) adheres the second end (18) of the front wall (12) to the second end (19) of the rear wall (14) which thereby conceals the collapsible perforated folded panel (50). The release or removal of the opening seal (60) is operable to expose the collapsible perforated folded panel (50) and application of a pull force is operable to outwardly expand the collapsible perforated folded panel (50) to allow draining of liquid or dispensing of dry powder or flakes from the pouch chamber (52).
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: March 17, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Andre Farstad, Maria Isabel Arroyo Villan, Marcelo Tognola
  • Patent number: 10239676
    Abstract: The present disclosure is directed to compositions and film structures suitable for heat seal production. The heat sealable flexible film structure includes: a layer (A) comprising a blend comprising from 35 to 80 percent by weight of the layer (A) of a propylene based plastomer or elastomer (“PBPE”) and from 20 to 65 percent by weight of the layer (A) of a low density polyethylene having a density in the range of from 0.915 g/cm3 to 0.935 g/cm3, wherein the blend has a melt index (as determined according to ASTM D 1238 (at 190° C./2.16 Kg); a layer (B), adjacent to layer (A), comprising a polyolefin-based polymer, wherein the polymer or polymer blend which makes up layer (B) flows more easily than the blend of layer (A) under conditions intended for making a hard seal with the film structure; and an outermost layer (C) comprising a material having a melting point greater than 140° C.; wherein the ratio of the thickness of layer (B) to the thickness of layer (A) is 3:1 or greater.
    Type: Grant
    Filed: October 10, 2014
    Date of Patent: March 26, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Chuan Yar Lai, Kurt Brunner, Jozef J.i. Van Dun, Nicolas C. Mazzola, Maria Isabel Arroyo Villan
  • Publication number: 20190009950
    Abstract: Embodiments of a flexible pouch (1) comprise a pouch body (10), a collapsible perforated folded panel (50), an opening seal (60) disposed between the collapsible perforated folded panel (50) and the second ends (18, 19) of a front wall (12) and a rear wall (14), wherein the opening seal (60) adheres the second end (18) of the front wall (12) to the second end (19) of the rear wall (14) which thereby conceals the collapsible perforated folded panel (50). The release or removal of the opening seal (60) is operable to expose the collapsible perforated folded panel (50) and application of a pull force is operable to outwardly expand the collapsible perforated folded panel (50) to allow draining of liquid or dispensing of dry powder or flakes from the pouch chamber (52).
    Type: Application
    Filed: December 15, 2016
    Publication date: January 10, 2019
    Applicant: Dow Global Technologies LLC
    Inventors: Andre Farstad, Maria Isabel Arroyo Villan, Marcelo Tognola
  • Publication number: 20180370705
    Abstract: Container (1) having a container body (10) having a sealing lip (12). The container (1) comprises a bottom perforated film (20) adhered to the sealing lip (12) at a first adhesion strength (S1), a top film (30) adhered to the bottom perforated film (20) at a second adhesion strength (S2) at locations not vertically aligned with a seal end (38), and wherein the top film (30) adheres to the bottom perforated film (20) at a third adhesion strength (S3) at the seal end (38). The third adhesion strength (S3) is greater than the first adhesion strength (S1) which is greater than the second adhesion strength (S2), such that the top film (30) is peelable relative to the bottom perforated film (24) at the opening end (36), and the top film (30) is peelable with the bottom perforated film (20) relative to the container body (10) at the seal end (38).
    Type: Application
    Filed: December 15, 2016
    Publication date: December 27, 2018
    Applicant: Dow Global Technologies LLC
    Inventors: Andre Farstad, Maria Isabel Arroyo Villan, Marcelo Tognolo
  • Patent number: 10137671
    Abstract: The present disclosure is directed to compositions and film structures suitable for heat seal production. The heat sealable flexible film structure includes: a layer (A) comprising a propylene-based plastomer or elastomer (“PBPE”) and a low density polyethylene; a layer (B), adjacent to layer (A), comprising at least 50 percent by weight of the layer (B) of an ethylene-based polymer; and an outermost layer (C) comprising a material having a melting point greater than 140° C. Weight percents are based on the total weight of the respective layer. The heat sealable flexible film structure is used to make a flexible container (10) having one or more heat seals (12). The heat seal (12) can be a frangible heat seal, a hard heat seal, or a combination thereof.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: November 27, 2018
    Assignee: Dow Global Technologies LLC
    Inventors: Claudia Hernandez, Nicolas C. Mazzola, Jozef J. Van Dun, Kurt Brunner, Maria Isabel Arroyo Villan
  • Publication number: 20180298524
    Abstract: A polyethylene tape, fiber, or monofilament comprising an ethylene/alpha-olefin polymer having a density greater than 0.945 g/cc, a melt index, I2.16, from 1.2 g/10 min to 2.0 g/10 min, a melt flow ratio, I10/I2.16, between 7.0 and 9.0, and a molecular weight distribution, Mw/Mn, of less than 5.5.
    Type: Application
    Filed: November 7, 2016
    Publication date: October 18, 2018
    Inventors: Cosme Llop, Maria Isabel Arroyo Villan
  • Publication number: 20160244229
    Abstract: The present disclosure is directed to compositions and film structures suitable for heat seal production. The heat sealable flexible film structure includes: a layer (A) comprising a blend comprising from 35 to 80 percent by weight of the layer (A) of a propylene based plastomer or elastomer (“PBPE”) and from 20 to 65 percent by weight of the layer (A) of a low density polyethylene having a density in the range of from 0.915 g/cm3 to 0.935 g/cm3, wherein the blend has a melt index (as determined according to ASTM D 1238 (at 190° C./2.16 Kg); a layer (B), adjacent to layer (A), comprising a polyolefin-based polymer, wherein the polymer or polymer blend which makes up layer (B) flows more easily than the blend of layer (A) under conditions intended for making a hard seal with the film structure; and an outermost layer (C) comprising a material having a melting point greater than 140° C.; wherein the ratio of the thickness of layer (B) to the thickness of layer (A) is 3:1 or greater.
    Type: Application
    Filed: October 10, 2014
    Publication date: August 25, 2016
    Inventors: Chuan Yar Lai, Kurt Brunner, Jozef J.i. Van Dun, Nicolas C. Mazzola, Maria Isabel Arroyo Villan
  • Publication number: 20150328865
    Abstract: The present disclosure is directed to compositions and film structures suitable for heat seal production. The heat sealable flexible film structure includes: a layer (A) comprising a propylene-based plastomer or elastomer (“PBPE”) and a low density polyethylene; a layer (B), adjacent to layer (A), comprising at least 50 percent by weight of the layer (B) of an ethylene-based polymer; and an outermost layer (C) comprising a material having a melting point greater than 140° C. Weight percents are based on the total weight of the respective layer. The heat sealable flexible film structure is used to make a flexible container (10) having one or more heat seals (12). The heat seal (12) can be a frangible heat seal, a hard heat seal, or a combination thereof.
    Type: Application
    Filed: December 19, 2013
    Publication date: November 19, 2015
    Inventors: Claudia Hernandez, Nicolas C. Mazzola, Jozef J. Van Dun, Kurt Brunner, Maria Isabel Arroyo Villan
  • Patent number: 9162430
    Abstract: The invention provides a coated substrate comprising at least the following: i) a first layer formed from a first composition that has a melting point, Tm1, and comprising at least one ethylene-based interpolymer; ii) a second layer formed from a second composition comprising the following: a) at least one propylene-based polymer, and b) at least one ethylene-based polymer, and iii) a woven web formed from at least one olefin-based polymer with a melting point of Tm2a and/a or nonwoven web formed from at least one olefin-based polymer with a melting point of Tm2b; and wherein and Tm1 is less than, or equal to, “Tm2a ?20° C.”, and/or less than, or equal to, “Tm2b ?20° C.
    Type: Grant
    Filed: July 16, 2010
    Date of Patent: October 20, 2015
    Assignee: Dow Global Technologies LLC
    Inventors: Maria Isabel Arroyo Villan, Angels Domenech, Karl Zuercher
  • Publication number: 20120094563
    Abstract: The invention provides a coated substrate comprising at least the following: i) a first layer formed from a first composition that has a melting point, Tm1, and comprising at least one ethylene-based interpolymer; ii) a second layer formed from a second composition comprising the following: a) at least one propylene-based polymer, and b) at least one ethylene-based polymer, and iii) a woven web formed from at least one olefin-based polymer with a melting point of Tm2a and/a or nonwoven web formed from at least one olefin-based polymer with a melting point of Tm2b; and wherein and Tm1 is less than, or equal to, “Tm2a ?20° C.”, and/or less than, or equal to, “Tm2b ?20° C.
    Type: Application
    Filed: July 16, 2010
    Publication date: April 19, 2012
    Applicant: Dow Global Technologies LLC
    Inventors: Maria Isabel Arroyo Villan, Angels Domenech, Karl Zuercher
  • Publication number: 20120052273
    Abstract: The present invention relates to a multi-layer oriented shrink film comprising a first and a second skin layer comprising a propylene-based polymer having a melting point greater than 130 C and at least one core layer comprising a propylene-based plastomer or elastomer. The films are preferably primarily oriented in either the machine or the cross direction. These films are ideally suited for use as a shrink label which can be applied either as a CD shrink sleeve or applied using a continuous roll process. The films ideally have an overall density of less than 1.0 g/cm3, to facilitate recycling efforts.
    Type: Application
    Filed: May 6, 2010
    Publication date: March 1, 2012
    Applicant: Dow Global Technologies LLC
    Inventors: Maria Isabel Arroyo Villan, Rajen M. Patel, Julie R. Hatlewick, Robert L. McGee, Stephen J. Skapik, III
  • Publication number: 20110097564
    Abstract: The invention provides a film comprising at least three layers, one inner layer adjacent to two outer layers, and wherein at least one inner layer is formed from a composition comprising an ethylene-based polymer with a density greater than, or equal to, 0.945 g/cc or a cyclic olefin copolymer; and wherein each outer layer is, independently, formed from a composition comprising a propylene-based polymer; and wherein the at least one inner layer is less than, or equal to, 25 percent of the total film thickness.
    Type: Application
    Filed: June 30, 2009
    Publication date: April 28, 2011
    Applicant: DOW GLOBAL TECHNOLOGIES INC.
    Inventors: Maria Isabel Arroyo Villan, Ellen Donkers
  • Publication number: 20100291344
    Abstract: The invention relates to a perforated coated substrate comprising at least the following: i) a first layer, ii) a second layer, and iii) a woven and/or nonwoven web; and wherein the second layer has a lower softening and/or melting temperature, as compared with the respective softening and/or melting temperatures of the first layer, and the respective softening and/or melting temperatures of the web; and wherein the layers of the coated substrate have perforations with a common center.
    Type: Application
    Filed: January 16, 2009
    Publication date: November 18, 2010
    Applicant: Dow Global Technologies Inc.
    Inventors: Maria Isabel Arroyo-Villan, Angels Domenech, Karl Zuercher
  • Publication number: 20100075079
    Abstract: The invention relates to a composition comprising a propylene-based interpolymer and a saturated compound selected from the group consisting of aliphatic amides, hydrocarbon waxes, hydrocarbon oils, fluorinated hydrocarbons, and siloxanes, and wherein the propylene-based interpolymer comprises (a) greater than 50 mole percent propylene, based on the total moles of polymerizable monomers, and (b) ethylene, or ethylene and more unsaturated comonomers, or one or more unsaturated comonomers, and wherein the propylene-based interpolymer has at least one of the following properties: (i) 13C NMR peaks corresponding to a regio-error at about 14.6 and about 15.7 ppm, the peaks of about equal intensity, and (ii) a DSC curve with a Tme that remains essentially the same, and a TMax that decreases as the amount of comonomer in the interpolymer is increased. The invention also provides for articles, such as films, comprising at least one component formed from an inventive composition, and for methods of making the same.
    Type: Application
    Filed: December 19, 2007
    Publication date: March 25, 2010
    Applicant: Dow Global Technologies Inc.
    Inventors: Teresa E. Bernal-Lara, Tanya A. Fry, Maria Isabel Arroyo Villan