Patents Represented by Attorney Mark B. Quatt

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  • By-product absorbers for oxygen scavenging systems
    Patent number: 6287653
    Abstract: A package for oxygen sensitive goods is made using a barrier material, an oxygen scavenging system, and a polymeric base which is reactive with the by-products of oxygen scavenging. Such packages demonstrate improved product quality.
    Type: Grant
    Filed: March 5, 1999
    Date of Patent: September 11, 2001
    Assignee: Cryovac, Inc.
    Inventors: Drew Ve Speer, Charles Robert Morgan, Thomas Andrew Blinka, Ronald Lee Cotterman
  • Method and apparatus for opening and transporting bags
    Patent number: 6282871
    Abstract: A method of opening a bag mounted on a tape includes the steps of providing a bag including a first panel, a second panel, a first bag edge, second bag edge, a bag bottom, and a bag mouth; gripping the bag between a first means for vacuumizing and a second means for vacuumizing; and moving the first and second means for vacuumizing such that the bag disengages from the tape, and the bag mouth opens. The first and second means for vacuumizing are activated before or during the gripping step, or after these means have been moved, but before the bag mouth opens. An apparatus for transporting a bag, and loading a bag, are also disclosed.
    Type: Grant
    Filed: July 29, 1999
    Date of Patent: September 4, 2001
    Assignee: Cryovac, Inc.
    Inventors: Glenn W. Killinger, Gregory E. McDonald, Charles C. Zende
  • Tamper evident bag
    Patent number: 6270256
    Abstract: A tamper evident bag comprises a slit therein to provide access to the interior of the bag, and a closure flap arranged to be adhered to the bag over the slit in order to seal the bag. The bag has an indicator strip which is covered by the closure flap when the bag is sealed. This indicator strip comprises a material having a surface tension less than or substantially equal to that of saliva and serves to indicate wetting of the bag or closure flap prior to attempted sealing.
    Type: Grant
    Filed: December 29, 1997
    Date of Patent: August 7, 2001
    Assignee: Sealed Air Corporation
    Inventor: Victor Todman
  • Article with improved tamper evidence
    Patent number: 6264033
    Abstract: An article, such as a tamper evident container, includes an indicator having a first layer including a thermochromic ink composition, and a second layer, disposed on the first layer, having a composition different from the ink composition of the first layer. The article exhibits better evidence of tampering. The first and/or second layer can be in the form of a message.
    Type: Grant
    Filed: March 14, 2000
    Date of Patent: July 24, 2001
    Assignee: Sealed Air Corporation
    Inventors: Rengan Kannabiran, Charles P. Kannankeril, Donald E. Setter, Victor Todman
  • Heat shrinkable pouch
    Patent number: 6260705
    Abstract: A pouch of a heat shrinkable, gas-barrier, thermoplastic film for packaging at least one item, the pouch including a closed bottom; first and second closed side edges; an open mouth; a first seal disposed between the closed bottom and the open mouth, the first seal connecting the first and second closed side edges; a first closed, airtight area defined by the first seal, the dosed bottom, and a portion of the first and second closed side edges; a second seal extending from the closed bottom toward the closed, airtight area; a second area defined by the closed bottom and the second seal; and a precut made in the second area, the precut extending from the closed bottom toward the second seal.
    Type: Grant
    Filed: November 15, 1999
    Date of Patent: July 17, 2001
    Assignee: Cryovac, Inc.
    Inventors: Mauro Montepiani, Massimo Rigoni, Hughes Wygaerts
  • Breathable film for cheese packaging
    Patent number: 6261698
    Abstract: The present invention is directed to a heat shrinkable film for packaging high gassing cheeses, specifically Swiss-type cheeses. The film includes at least one barrier layer of a copolyamide having a melting temperature of less than about 150° C., preferably nylon 6/6.9, and exhibits a CO2:O2 transmission ratio of at least 7.0 at 50% relative humidity. Furthermore, the film has a hot tensile strength at 85° C. of at least 1800 psi in at least one direction as measured by D882 and a percent elongation at 85° C. of at least 120% in at least one direction as measured by ASTM D882. Preferably, at least 50 percent by weight of the film is one or more ethylene copolymers, preferably one or more ethylene/vinyl acetate copolymers.
    Type: Grant
    Filed: November 4, 1999
    Date of Patent: July 17, 2001
    Assignee: Cryovac Inc.
    Inventor: Michelle Elizabeth Broda
  • Apparatus for treating an article containing an oxidizable organic compound
    Patent number: 6259107
    Abstract: An apparatus includes providing an article having an oxidizable organic compound and an organoleptic compound; advancing the article toward a means for treating the article, the means for treating the article including a treating medium, and a means for applying the treating medium to the article; and applying the treating medium to a surface of the article so as to lower the amount of the organoleptic compound in the article.
    Type: Grant
    Filed: December 21, 1998
    Date of Patent: July 10, 2001
    Assignee: Cryovac, Inc.
    Inventors: Michael L. Becraft, Martin J. Ecoff, R. Karina Sylvia, Jeffrey A. Thomas
  • Oxygen scavenging system and compositions
    Patent number: 6258883
    Abstract: An oxygen scavenging system and composition capable of providing good oxygen absorption activity and capabilities, wherein the system comprises a modified anionic hydrotalcite particulate material and a transition metal ion source.
    Type: Grant
    Filed: May 6, 1999
    Date of Patent: July 10, 2001
    Assignee: Cryovac, Inc.
    Inventors: Cynthia Louise Ebner, John Scott Hallock
  • Oxygen scavengers with reduced oxidation products for use in plastic films
    Patent number: 6254804
    Abstract: An oxygen scavenger composition, for use in or with plastics materials, includes a polymer or oligomer having at least one cyclohexene group or functionality. The composition produces only low levels of volatile or extractable (from a plastics material in which it is incorporated) products as a consequence of oxygen scavenging.
    Type: Grant
    Filed: December 20, 2000
    Date of Patent: July 3, 2001
    Assignee: Cryovac, Inc.
    Inventors: Andrew E. Matthews, Craig Depree
  • Oxygen scavengers with reduced oxidation products for use in plastic films
    Patent number: 6254803
    Abstract: An oxygen scavenger composition, for use in or with plastics materials, includes a polymer or oligomer having at least one cyclohexene group or functionality. The composition produces only low levels of volatile or extractable (from a plastics material in which it is incorporated) products as a consequence of oxygen scavenging.
    Type: Grant
    Filed: March 24, 1999
    Date of Patent: July 3, 2001
    Assignee: Cryovac, Inc.
    Inventors: Andrew E. Matthews, Craig Depree
  • Low migratory photoinitiators for oxygen-scavenging compositions
    Patent number: 6254802
    Abstract: An improved composition and a method of scavenging oxygen using the composition which comprise oxidizable organic compounds, transition metal catalysts in combination with certain photoinitiators is disclosed. The method comprises initiating scavenging by exposing the composition to UV radiation. The present composition uses certain defined benzophenone derivatives which maintain effectiveness of photoinitiation while providing reduced migration of the photoinitiator from the resin matrix.
    Type: Grant
    Filed: May 16, 1997
    Date of Patent: July 3, 2001
    Assignee: Cryovac, Inc.
    Inventors: Drew Ve Speer, Thomas Andrew Blinka, Michael Lee Becraft, Charles Robert Morgan
  • Oxygen scavenging composition with improved properties and method of using same
    Patent number: 6255248
    Abstract: A composition capable of scavenging oxygen composed of (i) a copolymer of, at least, ethylene and a strained, cyclic alkylene, preferably cyclopentene; (ii) a transition metal catalyst; (iii) preferably, a photoinitiator; and (iv) optionally, a polymeric diluent.
    Type: Grant
    Filed: July 9, 1999
    Date of Patent: July 3, 2001
    Assignee: Cryovac, Inc.
    Inventors: Donald A. Bansleben, Slawomir Opuszko, Drew V. Speer
  • Contoured pouch with pourable spout, and apparatus and process for producing same
    Patent number: 6244747
    Abstract: The present invention relates to sealed pouches, and apparatus and processes for producing the same. The pouch includes contoured first and second lateral edges, with each lateral edge having concave and convex surfaces. The concave surface of the first lateral edge is substantially opposite the convex surface of the second lateral edge and the convex surface of the first lateral edge is substantially opposite the concave surface of the second lateral edge. Accordingly, a distance between the first and second lateral edges is substantially the same for all elevations of the pouch.
    Type: Grant
    Filed: September 30, 1999
    Date of Patent: June 12, 2001
    Assignee: Cryovac, Inc.
    Inventor: Timothy G. Caudle
  • Method and apparatus for triggering oxygen scavenging material as a wall component in a container
    Patent number: 6233907
    Abstract: A method for triggering an oxygen scavenging component of a container for packaging an oxygen sensitive material includes the steps of providing a container defining an internal space and having an internal oxygen scavenging component including an oxidizable organic compound, exposing the oxygen scavenging component to a source of actinic radiation, positioned within said internal space, at a wavelength, intensity, and residence time so as to provide a dose of actinic radiation sufficient to activate the oxygen scavenging component, and packaging an oxygen sensitive material in the internal space of the container whereby the oxygen scavenging component scavenges the oxygen from the internal space of the container. An apparatus and packaging system are also disclosed.
    Type: Grant
    Filed: June 24, 1999
    Date of Patent: May 22, 2001
    Assignee: Cryovac, Inc.
    Inventors: Philip H. Cook, Jr., Michael J. Carey, Jeffrey A. Thomas, Nathanael R. Miranda
  • Protective foamed patch for shrinkable bag
    Patent number: 6228446
    Abstract: Disclosed is a protective foamed patch for a biaxially heat shrinkable, thermoplastic vacuum bag for protecting the bag from puncture by sharp protruding bones in the bone-in cuts of meat which are vacuum packaged within the bags. The patch is made from multi-layer film and comprises a layer of foamed polymer. The patch is biaxially heat shrinkable and shrinks with the bag. A method of making the patch is also disclosed.
    Type: Grant
    Filed: January 12, 1994
    Date of Patent: May 8, 2001
    Assignee: Cryovac, Inc.
    Inventor: Ronald Dean Moffitt
  • Breathable abuse resistant film for packaging cheese
    Patent number: 6224956
    Abstract: A polymeric film is provided which comprises a core layer of polyamide and two outer layers of ethylene propylene copolymer, polypropylene, and blends thereof. Coextruded embodiments include intermediate adhesive layers. A preferred embodiment of the multilayer film exhibits a combination of good abuse resistance and oxygen barrier properties, as well as excellent optical properties and shrink properties. The differential in CO2 transmission and O2 transmission rates makes these films especially useful in cheese packaging applications.
    Type: Grant
    Filed: November 16, 1993
    Date of Patent: May 1, 2001
    Assignee: Cryovac, Inc.
    Inventor: Gautam P. Shah
  • Multilayer oxygen barrier packaging film
    Patent number: 6221470
    Abstract: A thermoplastic multilayer packaging film has a core layer including ethylene/vinyl alcohol copolymer; two outer layers, and two adhesive layers each disposed between the core layer and a respective outer layer, characterized in that at least one of the outer layers includes a blend of A, B, and C, wherein component A is a homogeneous or heterogeneous ethylene/alpha olefin copolymer with density comprised greater than 0.915 g/cm3 and less than 0.925 g/cm3, component B is a homogeneous or heterogeneous ethylene/alpha olefin copolymer with density greater than or equal to 0.925 g/cm3, and component C is a homogeneous or heterogeneous ethylene/alpha olefin copolymer with density less than or equal to 0.915 g/cm3. The use of modified homogeneous ethylene/alpha olefin copolymers with a density of from 0.900 g/cm3 to 0.
    Type: Grant
    Filed: December 10, 1998
    Date of Patent: April 24, 2001
    Assignee: Cryovac, Inc.
    Inventors: Paolo Ciocca, Roberto Forloni
  • Oxygen scavenging composition and method of using the same
    Patent number: 6214254
    Abstract: A composition that includes a polymer having mer units derived from at least one vinyl aralkyl compound, a transition metal catalyst, preferably a photoinitiator, and optionally a polymeric diluent is capable of scavenging oxygen and of being processed into articles with oxygen scavenging capabilities.
    Type: Grant
    Filed: June 16, 1999
    Date of Patent: April 10, 2001
    Assignee: Cryovac, Inc.
    Inventors: William Gauthier, Drew Ve. Speer
  • Multilayer film with polyolefin and polyvinyl chloride
    Patent number: 6214477
    Abstract: A film includes a first layer including polyvinyl chloride; and a second layer including a material such as anhydride functionalized polyolefin, ethylene/vinyl acetate copolymer having a vinyl acetate content of between 10% and 35%, ethylene/alkyl acrylate copolymer having an alkyl acrylate content of between 10% and 30%, ethylene/alkyl methacrylate copolymer having an alkyl methacrylate content of between 10% and 30%, ethylene/acrylic acid copolymer having an acrylic acid content of between 10% and 30%, ethylene/methacrylic acid copolymer having a methacrylic acid content of between 10% and 30%, and ionomer. A layer of polyolefin, and/or an additional layer including any of the materials of the second layer, or polyvinyl chloride, can be optionally included in a film of the invention.
    Type: Grant
    Filed: July 17, 1998
    Date of Patent: April 10, 2001
    Assignee: Cryovac, Inc.
    Inventors: George D. Wofford, William P. Roberts
  • Film with substrate layer containing antiblocking agent
    Patent number: 6210764
    Abstract: A film includes a first outer layer comprising a polymeric material; a second outer layer including a polymeric material; and a substrate layer disposed between the first and second outer layers. The substrate layer includes a polymer and an antiblocking agent. Additional internal layers can be included, some or all of which can include a polymer and an antiblocking agent.
    Type: Grant
    Filed: August 29, 1996
    Date of Patent: April 3, 2001
    Assignee: Cryovac, Inc.
    Inventor: Gary J. Hayes