Patents by Inventor Sumita Sanjeevi Ranganathan

Sumita Sanjeevi Ranganathan 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: 11020944
    Abstract: A first multilayer shrink film has an outer polyester layer, an inner O2-barrier layer, and a tie layer between the polyester layer and the barrier layer. A second multilayer film an outer polyester layer, an inner polyamide layer, and a tie layer between the polyester and polyamide layers. The tie layer comprises a styrene-based polymer, and the tie layer in the second film comprises an anhydride functional styrene based copolymer. Included are a packaging article comprising the film, a packaging process utilizing the film, a process for making the film, and a packaged product comprising a packaging article made the film, with a product inside the package.
    Type: Grant
    Filed: June 12, 2019
    Date of Patent: June 1, 2021
    Assignee: Cryovac, LLC
    Inventors: Michael Broadus, Bryan Freeman, J. Douglas Wilson, Randall Brush, Donny Kay, Sumita Sanjeevi Ranganathan, Kevin McCormick
  • Publication number: 20190291396
    Abstract: A first multilayer shrink film has an outer polyester layer, an inner O2-barrier layer, and a tie layer between the polyester layer and the barrier layer. A second multilayer film an outer polyester layer, an inner polyamide layer, and a tie layer between the polyester and polyamide layers. The tie layer comprises a styrene-based polymer, and the tie layer in the second film comprises an anhydride functional styrene based copolymer. Included are a packaging article comprising the film, a packaging process utilizing the film, a process for making the film, and a packaged product comprising a packaging article made the film, with a product inside the package.
    Type: Application
    Filed: June 12, 2019
    Publication date: September 26, 2019
    Inventors: Michael Broadus, Bryan Freeman, Doug Wilson, Randall Brush, Donny Kay, Sumita Sanjeevi Ranganathan, Kevin McCormick
  • Patent number: 9211976
    Abstract: An easy-open and reclosable package includes a pouch including a discrete laminate including a base strip and a panel section having a die cut defining a die cut segment, the panel section anchored to the base strip; the second surface of the base strip anchored to the inner surface of a second side panel; and the panel section anchored to a first side panel; and a product in the pouch. The die cut segment is so arranged with respect to the base strip that when the package is opened, the package can be reclosed by adhering the pressure sensitive adhesive to the first side panel.
    Type: Grant
    Filed: August 30, 2011
    Date of Patent: December 15, 2015
    Inventors: Andrew W. Moehlenbrock, Sumita Sanjeevi Ranganathan
  • Publication number: 20150336693
    Abstract: An easy-open and reclosable package includes a pouch including a discrete strip, between first and second side panels, including a sealing segment, a backing segment, and an intermediate layer including a pressure sensitive adhesive; a first portion of the strip anchored to the first panel at a first location, and a second portion of the strip anchored to the first panel at a second location; a die cut in the first panel defining a die cut segment, so arranged that when the package is opened, the sealing segment is partially removed from the discrete strip, the intermediate layer comprising a pressure sensitive adhesive is partially exposed, and the package can be reclosed by adhering at least one of the first and second panels to the adhesive; and a product in the pouch.
    Type: Application
    Filed: August 5, 2015
    Publication date: November 26, 2015
    Inventors: Andrew W. Moehlenbrock, Sumita Sanjeevi Ranganathan
  • Patent number: 8979370
    Abstract: An easy-open and reclosable package includes a pouch including a discrete laminate including a base strip, a panel section, and a die cut defining a die cut segment; a first and second anchor seal; the base strip including a sealing segment, backing segment, and intermediate layer including a pressure sensitive adhesive; and a product disposed in the pouch. The die cut segment is so arranged that when the package is opened, the sealing segment is partially removed from the base strip, the pressure sensitive adhesive is partially exposed, and the package can thereafter be reclosed by adhering any of the first side panel, second side panel, and panel section to the pressure sensitive adhesive. Methods of making the package, and a pouch, are also disclosed.
    Type: Grant
    Filed: January 28, 2011
    Date of Patent: March 17, 2015
    Assignee: Cryovac, Inc.
    Inventors: Andrew W. Moehlenbrock, Sumita Sanjeevi Ranganathan
  • Patent number: 8945708
    Abstract: Decorative ionomeric surfaced film and sheet (e.g., multilayer co-extruded polymer) and articles made therefrom (e.g., automotive panels and parts) exhibiting good weatherability, mar resistance, and surface appearance of a high quality automotive finish (including color, haze, gloss, and DOI) and economical process for making (e.g., co-extrusion) and using (e.g., thermoforming and injection backfilling) the same.
    Type: Grant
    Filed: January 17, 2012
    Date of Patent: February 3, 2015
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Randall Allen Vogel, I-Hwa Lee, Sumita Sanjeevi Ranganathan, Lori J. Pike
  • Patent number: 8905638
    Abstract: An easy-open and reclosable package includes a pouch including a discrete strip, between first and second side panels; including a sealing segment, a backing segment, and an intermediate layer including a pressure sensitive adhesive, the first surface of the strip anchored to the inner surface of the first panel at a first location, and the second surface of the strip anchored to the inner surface of the second side panel at a first location; a die cut in the first panel, defining a primary die cut segment so arranged that when the package is opened, it can be reclosed by adhering the adhesive to the first side panel; and a product in the pouch. A secondary die cut segment can be disposed between the primary die cut segment and an end of the package. This secondary die cut can be at least partially underlain by the adhesive.
    Type: Grant
    Filed: August 29, 2011
    Date of Patent: December 9, 2014
    Assignee: Cryovac, Inc.
    Inventors: Andrew W. Moehlenbrock, Sumita Sanjeevi Ranganathan
  • Patent number: 8679619
    Abstract: Decorative ionomeric surfaced film and sheet (e.g., multilayer co-extruded polymer) and articles made therefrom (e.g., automotive panels and parts) exhibiting good weatherability, mar resistance, and surface appearance of a high quality automotive finish (including color, haze, gloss, and DOI) and economical process for making (e.g., co-extrusion) and using (e.g., thermoforming and injection backfilling) the same.
    Type: Grant
    Filed: April 12, 2001
    Date of Patent: March 25, 2014
    Assignee: E I du Pont de Nemours and Company
    Inventors: Randall Allen Vogel, I-Hwa Lee, Sumita Sanjeevi Ranganathan, Lori J. Pike
  • Patent number: 8541081
    Abstract: An easy-open, reclosable package includes a tray with tray liner; a product; and a lidstock, including a substrate including a first layer of high modulus thermoplastic material, and a second layer including an oxygen barrier; and a coextruded film including a first layer including a blend of from 80% to 88% ionomer resin, and from 12% to 20% olefinic polymer, a second layer including a pressure sensitive adhesive, and optionally a third layer including a polymeric adhesive; wherein the first layer of the coextruded film is sealed to the tray liner; the coextruded film is adhered to an inner surface of the substrate film; and after the package is opened, and the pressure sensitive adhesive is exposed, the package can be reclosed by adhering the adhesive to a portion of the first layer of the coextruded film that remained sealed to the tray liner when the package was opened.
    Type: Grant
    Filed: October 15, 2012
    Date of Patent: September 24, 2013
    Assignee: Cryovac, Inc.
    Inventors: Sumita Sanjeevi Ranganathan, Blake L Westmoreland, Andrew W Moehlenbrock, Amy Joe Frost, Vivian Ann Shaver, Debra Chandler Karam
  • Publication number: 20120207412
    Abstract: An easy-open and reclosable package includes a pouch including a discrete strip, between first and second side panels; including a sealing segment, a backing segment, and an intermediate layer including a pressure sensitive adhesive, the first surface of the strip anchored to the inner surface of the first panel at a first location, and the second surface of the strip anchored to the inner surface of the second side panel at a first location; a die cut in the first panel, defining a primary die cut segment so arranged that when the package is opened, it can be reclosed by adhering the adhesive to the first side panel; and a product in the pouch. A secondary die cut segment can be disposed between the primary die cut segment and an end of the package. This secondary die cut can be at least partially underlain by the adhesive.
    Type: Application
    Filed: August 29, 2011
    Publication date: August 16, 2012
    Applicant: CRYOVAC, INC.
    Inventors: Andrew W. Moehlenbrock, Sumita Sanjeevi Ranganathan
  • Publication number: 20120207408
    Abstract: An easy-open and reclosable package includes a pouch including a discrete laminate including a base strip and a panel section having a die cut defining a die cut segment, the panel section anchored to the base strip; the second surface of the base strip anchored to the inner surface of a second side panel; and the panel section anchored to a first side panel; and a product in the pouch. The die cut segment is so arranged with respect to the base strip that when the package is opened, the package can be reclosed by adhering the pressure sensitive adhesive to the first side panel.
    Type: Application
    Filed: August 30, 2011
    Publication date: August 16, 2012
    Applicant: CRYOVAC, INC.
    Inventors: Andrew W. Moehlenbrock, Sumita Sanjeevi Ranganathan
  • Publication number: 20120195527
    Abstract: An easy-open and reclosable package includes a pouch including a discrete laminate including a base strip and a panel section; a first and second anchor seal; the base strip including a sealing segment, backing segment, and intermediate layer including a pressure sensitive adhesive; and a product in the pouch. The inner surface of the panel section has a sealant. When the package is opened, the sealing segment is at least partially removed from the base strip, the pressure sensitive adhesive is at least partially exposed, and the package can thereafter be reclosed by adhering any of a first side panel, second side panel, and panel section to the pressure sensitive adhesive. Methods of making the package, and a pouch, are also disclosed.
    Type: Application
    Filed: January 28, 2011
    Publication date: August 2, 2012
    Applicant: Cryovac, Inc.
    Inventors: Andrew W. Moehlenbrock, Sumita Sanjeevi Ranganathan
  • Publication number: 20120195531
    Abstract: An easy-open and reclosable package includes a pouch including a discrete laminate including a base strip, a panel section, and a die cut defining a die cut segment; a first and second anchor seal; the base strip including a sealing segment, backing segment, and intermediate layer including a pressure sensitive adhesive; and a product disposed in the pouch. The die cut segment is so arranged that when the package is opened, the sealing segment is partially removed from the base strip, the pressure sensitive adhesive is partially exposed, and the package can thereafter be reclosed by adhering any of the first side panel, second side panel, and panel section to the pressure sensitive adhesive. Methods of making the package, and a pouch, are also disclosed.
    Type: Application
    Filed: January 28, 2011
    Publication date: August 2, 2012
    Applicant: CRYOVAC, INC.
    Inventors: Andrew W. Moehlenbrock, Sumita Sanjeevi Ranganathan
  • Publication number: 20120195526
    Abstract: An easy-open and reclosable package includes a pouch including a discrete strip, between first and second side panels, including a sealing segment, a backing segment, and an intermediate layer including a pressure sensitive adhesive; a first portion of the strip anchored to the first panel at a first location, and a second portion of the strip anchored to the first panel at a second location; a die cut in the first panel defining a die cut segment, so arranged that when the package is opened, the sealing segment is partially removed from the discrete strip, the intermediate layer comprising a pressure sensitive adhesive is partially exposed, and the package can be reclosed by adhering at least one of the first and second panels to the adhesive; and a product in the pouch.
    Type: Application
    Filed: January 28, 2011
    Publication date: August 2, 2012
    Applicant: CRYOVAC, INC.
    Inventors: Andrew W. Moehlenbrock, Sumita Sanjeevi Ranganathan
  • Patent number: 8119235
    Abstract: Decorative ionomeric surfaced film and sheet (e.g., multilayer co-extruded polymer) and articles made therefrom (e.g., automotive panels and parts) exhibiting good weatherability, mar resistance, and surface appearance of a high quality automotive finish (including color, haze, gloss, and DOI) and economical process for making (e.g., co-extrusion) and using (e.g., thermoforming and injection backfilling) the same.
    Type: Grant
    Filed: July 11, 2007
    Date of Patent: February 21, 2012
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Randall Allen Vogel, I-Hwa Lee, Sumita Sanjeevi Ranganathan, Lori J. Pike
  • Patent number: 7662322
    Abstract: A coating composition for use as a surface coating for polymer release films for use in at least one of high temperature and high humidity applications, which comprises a solution of at least one hydroxypropyl methylcellulose having hydroxypropyl molar substitution of from 0 to about 0.82 in combination with at least one water-borne fluorochemical additive selected from perfluoralkyl methacrylic acid copolymers.
    Type: Grant
    Filed: January 22, 2004
    Date of Patent: February 16, 2010
    Assignee: Exopack Preformance Films Inc.
    Inventors: Sumita Sanjeevi Ranganathan, Theodore John Lang, Marek Andrej Szymula
  • Publication number: 20020055006
    Abstract: Decorative ionomeric surfaced film and sheet (e.g., multilayer co-extruded polymer) and articles made therefrom (e.g., automotive panels and parts) exhibiting good weatherability, mar resistance, and surface appearance of a high quality automotive finish (including color, haze, gloss, and DOI) and economical process for making (e.g., co-extrusion) and using (e.g., thermoforming and injection backfilling) the same.
    Type: Application
    Filed: April 12, 2001
    Publication date: May 9, 2002
    Inventors: Randall Allen Vogel, I Hwa Lee, Sumita Sanjeevi Ranganathan