Patents by Inventor Claudia Hernandez

Claudia Hernandez 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: 11135817
    Abstract: The present invention provides coated films and packages formed from such films. In one aspect, a coated film comprises (a) a multilayer polymeric film having opposing facial surfaces, wherein a first facial surface has a root mean square surface roughness of at least 80 nm when measured using image analysis with an atomic force microscope and wherein a second facial surface has a root mean square surface roughness of less than 80 nm when measured using image analysis with an atomic force microscope; and (b) a coating on at least a portion of the first facial surface, wherein the coating comprises polyurethane, wherein the film comprises at least one of polyethylene, polypropylene, polyethylene terephthalate, or polyamide, and wherein the coated film has a Zebedee clarity of at least 2% when measured according to ASTM D1746/15 in the coated portion of the first facial surface.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: October 5, 2021
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company, Dow Quimica Mexicana S.A.de C.V.
    Inventors: Juan Carlos Casarrubias, Claudia Hernandez, Zair Dominguez Trinidad, Jie Wu
  • Patent number: 11040523
    Abstract: A multilayer blown film having an inner layer, a first outer layer, and a second outer layer, wherein the inner layer comprises an ethylene-based polymer having a MWCDI value greater than 0.9, and a melt index ratio (I10/I2) that meets the following equation: I10/I2?7.0?1.2×log (I2); and the first outer layer and the second outer layer independently comprise a polyethylene composition which comprises the reaction product of ethylene and, optionally, one or more alpha olefin comonomers, wherein the polyethylene composition is characterized by the following properties: (a) a melt index, I2, of from 0.1 to 2.0 g/10 min; (b) a density of from 0.910 to 0.930 g/cc; (c) a melt flow ratio, I10/I2, of from 6.0 to 7.6; and (d) a molecular weight distribution, (Mw/Mn) of from 2.5 to 4.0.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: June 22, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Jose Eduardo Ruiz, Fawzi G. Hamad, Mustafa Bilgen, Claudia Hernandez, Swapnil B. Chandak, Jason C. Brodil
  • Patent number: 11034138
    Abstract: The present invention provides coated films and packages formed from such films. In one aspect, a coated film comprises (a) a film comprising (i) a first layer as described herein; (ii) a second layer as described herein; and (iii) at least one inner layer between the first layer and the second layer as described herein; and (b) a coating on an outer surface of the second layer of the film comprising polyurethane.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: June 15, 2021
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Kevin K. Miyake, Jorge C. Gomes, Larry Jopko, Nicolas C. Mazzola, Juan Carlos Casarrubias, Claudia Hernandez, Mateus Cipro, Jie Wu
  • Patent number: 10870253
    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: Grant
    Filed: April 1, 2015
    Date of Patent: December 22, 2020
    Assignee: Dow Global Technologies LLC
    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: 10717833
    Abstract: The present invention provides methods of preparing peelable seal layers, methods of preparing multilayer films, peelable seal layers made therefrom, and multilayer films made therefrom. In one aspect, a method of preparing a peelable seal layer comprises (a) providing a first blend comprising (i) from 5 to 98 percent by weight of a reactor grade propylene based plastomer or elastomer having a molecular weight distribution of less than 3.5 and a density of less than 0.89 g/cc and (ii) from 2 to 95 percent by weight of a second polymer selected from the group consisting of polyethylene, polybutylene, and styrenic polymer and mixtures thereof; (b) providing at least one linear low density polyethylene; (c) blending the first blend with the at least one linear low density polyethylene to obtain a second blend; and (d) extruding the second blend to form a peelable seal layer, wherein the peelable seal layer has a heat seal initiation temperature less than 120° C.
    Type: Grant
    Filed: May 9, 2016
    Date of Patent: July 21, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Mustafa Bilgen, Claudia Hernandez, Marcello Tognola
  • Patent number: 10464729
    Abstract: A package, e.g., a pouch, comprising: (A) An exterior surface comprising oriented-polypropylene (OPP), and (B) An interior surface comprising a blend, in weight percent based on the weight of the blend, of: (1) From 30 to 80 wt % of a propylene-based plastomer or elastomer (PBPE), and (2) From 20 to 70 wt % of low density polyethylene (LDPE); the package further comprising (C) A peelable end seal formed by joining in a heat seal two sections of the interior surface, the heat seal having a seal strength of 1 to 4 pounds per inch (lb/in) (4.48 to 17.9 Newton (N)/25.4 millimeter (mm)), and (D) A lap seal formed by joining in a heat seal a section of the interior surface with a section of the exterior surface, the heat seal having a seal strength of greater than or equal to (?) 15 lb/in (67.2 N/25.4 mm).
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: November 5, 2019
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Claudia Hernandez, Mustafa Bilgen
  • Publication number: 20190218354
    Abstract: The present invention provides coated films and packages formed from such films. In one aspect, a coated film comprises (a) a multilayer polymeric film having opposing facial surfaces, wherein a first facial surface has a root mean square surface roughness of at least 80 nm when measured using image analysis with an atomic force microscope and wherein a second facial surface has a root mean square surface roughness of less than 80 nm when measured using image analysis with an atomic force microscope; and (b) a coating on at least a portion of the first facial surface, wherein the coating comprises polyurethane, wherein the film comprises at least one of polyethylene, polypropylene, polyethylene terephthalate, or polyamide, and wherein the coated film has a Zebedee clarity of at least 2% when measured according to ASTM D1746/15 in the coated portion of the first facial surface.
    Type: Application
    Filed: September 27, 2017
    Publication date: July 18, 2019
    Applicants: Dow Global Technologies LLC, Rohm and Haas Company, Dow Quimica Mexicana S.A.de C.V.
    Inventors: Juan Carlos Casarrubias, Claudia Hernandez, Zair Dominguez Trinidad, Jie Wu
  • Publication number: 20190210340
    Abstract: A multilayer blown film having an inner layer, a first outer layer, and a second outer layer, wherein the inner layer comprises an ethylene-based polymer having a MWCDI value greater than 0.9, and a melt index ratio (I10/I2) that meets the following equation: I10/I2?7.0?1.2×log (I2); and the first outer layer and the second outer layer independently comprise a polyethylene composition which comprises the reaction product of ethylene and, optionally, one or more alpha olefin comonomers, wherein the polyethylene composition is characterized by the following properties: (a) a melt index, I2, of from 0.1 to 2.0 g/10 min; (b) a density of from 0.910 to 0.930 g/cc; (c) a melt flow ratio, I10/I2, of from 6.0 to 7.6; and (d) a molecular weight distribution, (Mw/Mn) of from 2.5 to 4.0.
    Type: Application
    Filed: August 30, 2017
    Publication date: July 11, 2019
    Inventors: Jose Eduardo Ruiz, Fawzi G. Hamad, Mustafa Bilgen, Claudia Hernandez, Swapnil B. Chandak, Jason C. Brodil
  • Publication number: 20180354696
    Abstract: A package, e.g., a pouch, comprising: (A) An exterior surface comprising oriented-polypropylene (OPP), and (B) An interior surface comprising a blend, in weight percent based on the weight of the blend, of: (1) From 30 to 80 wt % of a propylene-based plastomer or elastomer (PBPE), and (2) From 20 to 70 wt % of low density polyethylene (LDPE); the package further comprising (C) A peelable end seal formed by joining in a heat seal two sections of the interior surface, the heat seal having a seal strength of 1 to 4 pounds per inch (1b/in) (4.48 to 17.9 Newton (N)/25.4 millimeter (mm)), and (D) A lap seal formed by joining in a heat seal a section of the interior surface with a section of the exterior surface, the heat seal having a seal strength of greater than or equal to (?) 15 lb/in (67.2 N/25.4 mm).
    Type: Application
    Filed: December 12, 2016
    Publication date: December 13, 2018
    Inventors: Claudia Hernandez, Mustafa Bilgen
  • 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
  • Patent number: 10087315
    Abstract: A polymeric composition suitable for blown film applications comprising a) 80 to 99.5 percent by weight of a continuous polymeric phase comprising a polyolefin, and b) 0.5 to 20 percent by weight of polymeric particles having i) an average particle diameter of 0.85 to 20 ?m; ii) a refractive index from 1.46 to 1.61; iii) an average particle hardness from 1.2367E+10 N/m2 to 8.4617E+10 N/m2; and iv) at least 60% polymerized acrylic monomer units, is disclosed. The polymeric composition can be used to form blown film characterized by having a thickness in the range of from 5 to 350 ?m, a modulus of elasticity in the range of from 5 to 133 MPa, a melt strength in the range of from 4 to 40 cN, an elongation at break in the range of from 100 to 1000%, a 45 degree gloss in the range of from 7 to 136 and a softness measured by human panel handfeel-ranking methodology, measured by ISO 8587 Sensory analysis that is higher than a film which does not contain the polymeric composition.
    Type: Grant
    Filed: April 15, 2015
    Date of Patent: October 2, 2018
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Edward E. Lafleur, Claudia Hernandez, Edwin Nungesser, Xuming Chen
  • Publication number: 20180134858
    Abstract: The present invention provides methods of preparing peelable seal layers, methods of preparing multilayer films, peelable seal layers made therefrom, and multilayer films made therefrom. In one aspect, a method of preparing a peelable seal layer comprises (a) providing a first blend comprising (i) from 5 to 98 percent by weight of a reactor grade propylene based plastomer or elastomer having a molecular weight distribution of less than 3.5 and a density of less than 0.89 g/cc and (ii) from 2 to 95 percent by weight of a second polymer selected from the group consisting of polyethylene, polybutylene, and styrenic polymer and mixtures thereof; (b) providing at least one linear low density polyethylene; (c) blending the first blend with the at least one linear low density polyethylene to obtain a second blend; and (d) extruding the second blend to form a peelable seal layer, wherein the peelable seal layer has a heat seal initiation temperature less than 120° C.
    Type: Application
    Filed: May 9, 2016
    Publication date: May 17, 2018
    Applicant: Dow Global Technologies LLC
    Inventors: Mustafa Bilgen, Claudia Hernandez, Marcello Tognola
  • Publication number: 20180079880
    Abstract: The present invention provides coated films and packages formed from such films. In one aspect, a coated film comprises (a) a film comprising (i) a first layer comprising from 70 to 100 percent by weight of a linear low density polyethylene having a density less than 0.930 g/cm3 and a peak melting point of less than 126° C.; (ii) a second layer comprising from 60 to 100 percent by weight polyethylene having a density of 0.905 to 0.970 g/cm3 and a peak melting point in the range of 100° C. to 135° C.; and (iii) at least one inner layer between the first layer and the second layer comprising from 40 to 100 percent by weight of a high density polyethylene having a density from 0.930 to 0.970 g/cm3and a peak melting point in the range of 120° C. to 135° C.; and (b) a coating on an outer surface of the second layer of the film comprising polyurethane. In another aspect, the coated film comprises a monolayer comprising from 70 to 100 percent by weight of a polyethylene having a density less than 0.
    Type: Application
    Filed: May 26, 2016
    Publication date: March 22, 2018
    Inventors: Kevin K. Miyake, Jorge C. Gomes, Larry Jopko, Nicolas C. Mazzola, Juan Carlos Casarrubias, Claudia Hernandez, Mateus Cipro, Jie Wu
  • Patent number: 9908312
    Abstract: A film composition comprising from 5 to 75 percent by weight of an ethylene/?-olefin interpolymer composition (LLDPE), and from 25 to 95 percent by weight of a propylene/?-olefin interpolymer composition, and films made from the film composition, wherein the films exhibited synergistic physical properties, namely holding force and elastic recovery, are provided.
    Type: Grant
    Filed: November 20, 2013
    Date of Patent: March 6, 2018
    Assignee: Dow Global Technologies LLC
    Inventors: Hongming Ma, Claudia Hernandez, Jose Saavedra
  • 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: 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
  • Publication number: 20170037226
    Abstract: A polymeric composition suitable for blown film applications comprising a) 80 to 99.5 percent by weight of a continuous polymeric phase comprising a polyolefin, and b) 0.5 to 20 percent by weight of polymeric particles having i) an average particle diameter of 0.85 to 20 ?m; ii) a refractive index from 1.46 to 1.61; iii) an average particle hardness from 1.2367E+10 N/m2 to 8.4617E+10 N/m2; and iv) at least 60% polymerized acrylic monomer units, is disclosed. The polymeric composition can be used to form blown film characterized by having a thickness in the range of from 5 to 350 ?m, a modulus of elasticity in the range of from 5 to 133 MPa, a melt strength in the range of from 4 to 40 cN, an elongation at break in the range of from 100 to 1000%, a 45 degree gloss in the range of from 7 to 136 and a softness measured by human panel handfeel-ranking methodology, measured by ISO 8587 Sensory analysis that is higher than a film which does not contain the polymeric composition.
    Type: Application
    Filed: April 15, 2015
    Publication date: February 9, 2017
    Inventors: Edward E. Lafleur, Claudia Hernandez, Edwin Nungesser, Xuming Chen
  • Publication number: 20160271916
    Abstract: A film composition comprising from 5 to 75 percent by weight of an ethylene/?-olefin interpolymer composition (LLDPE), and from 25 to 95 percent by weight of a propylene/?-olefin interpolymer composition, and films made from the film composition, wherein the films exhibited synergistic physical properties, namely holding force and elastic recovery, are provided.
    Type: Application
    Filed: November 20, 2013
    Publication date: September 22, 2016
    Inventors: Hongming Ma, Claudia Hernandez, Jose Saavedra
  • Publication number: 20160017133
    Abstract: A film comprising from 1 to 50 wt % of polymeric particles having: (a) an average particle diameter from 0.5 to 15 ?m; (b) a refractive index from 1.46 to 1.7; and (c) at least 60% polymerized residues of acrylic monomers; and a continuous polymeric phase comprising a polyolefin; wherein an average refractive index difference measured from 400 nm to 800 nm between the polymeric particles and the continuous polymeric phase is at least 0.03.
    Type: Application
    Filed: March 21, 2014
    Publication date: January 21, 2016
    Inventors: Xuming Chen, Claudia Hernandez, Edward La Fleur, Edwin Hugh Nungesser, Himal Ray
  • 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