Patents Assigned to Pactiv Corporation
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Patent number: 10220986Abstract: Container includes a base, a cover, and a pull tab. The base has a bottom, a side wall extending upwardly from the bottom, and a rim at an upper edge portion of the side wall. The cover has a closed condition and an open condition and an outer edge portion interengageable with the rim of the base when the cover is in the closed condition. The pull tab extends outwardly from at least one of the base or the cover. The pull tab having a deformable formation to be deformed when the cover is moved from the closed condition to the open condition, the pull tab remaining attached to the at least one of the base or the cover when moved from the closed condition to the open condition. Additional embodiments relate to a tamper evident feature for a container, and a method for containing product in a container.Type: GrantFiled: March 6, 2009Date of Patent: March 5, 2019Assignee: PACTIV CORPORATIONInventors: Frank A. Petlak, Scott W. Follansbee, H. Bernard Kirkland, Craig E. Cappel
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Patent number: 8334223Abstract: A protective drainage wrap includes a mesh and a coating applied to the mesh. The coating is applied to the mesh to form a plurality of interstices, the interstices being configured to facilitate transfer of water vapor therethrough. The mesh includes material extending in a first direction and in a second direction. The material in the first direction includes a polyolefin, polyester, nylon or combinations thereof and has a first thickness. The material in the second direction includes a polyolefin, polyester, nylon or combinations thereof and has a second thickness. The second thickness is at least about twice the first thickness so as to assist in providing drainage for moisture build-up. The material in the second direction can be yarn. The coating includes a polyolefin, polyester, nylon or combinations thereof. A process for the preparation of the protective drainage wrap is provided.Type: GrantFiled: August 26, 2005Date of Patent: December 18, 2012Assignee: Pactiv CorporationInventor: John W. Lubker, II
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Publication number: 20120234717Abstract: Tray includes a first base portion having an upper surface defining a first tier and a second portion having an upper surface defining a second tier. The first tier and the second tier are separated by a height. The upper surface of the first portion and the upper surface of the second portion each have a plurality of spaced-apart wells defined therein. Each well is sized and shaped to receive a food item and has an upper edge with an engagement recess formed therein. The engagement recess is sized to allow a food item within the well to be gripped for removal. The tray can further include a trapping feature to secure a lid, and thus form a container.Type: ApplicationFiled: June 8, 2011Publication date: September 20, 2012Applicant: Pactiv CorporationInventors: H. Bernard Kirkland, John Kerry Hobbs
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Patent number: 8220996Abstract: Polymeric bag includes first and second opposing body panels attached to each other along a pair of opposing sides and a bottom bridging the sides, a reclosable fastener extending along a mouth formed opposite the bottom, a pressure relief opening defined in the first body panel, and a pressure relief valve attached to the first body panel. The valve includes a cover member to cover the opening. The cover member includes an upper layer and a lower layer, the lower layer including a first portion attached to the body panel and a second portion contiguous with the first portion but not attached to the body panel. The upper layer has a first end hingedly connected to the second portion of the lower layer on a first side of the pressure relief opening, and the upper layer has a second end fixedly attached on a second side of the pressure relief opening opposite the first side with the upper layer covering the pressure relief opening.Type: GrantFiled: April 20, 2010Date of Patent: July 17, 2012Assignee: Pactiv CorporationInventors: James S. Blythe, Wiliam P. Belias, Toby R. Thomas
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Patent number: 8104635Abstract: A base for a food container includes a pattern of rib units in a side wall of the container. The rib units are formed at multiple angles and depths to provide strength to the side wall. The base also includes a bottom with ribs of alternating heights and angles that provide strength to the bottom.Type: GrantFiled: June 8, 2007Date of Patent: January 31, 2012Assignee: Pactiv CorporationInventors: Thomas J. Hayes, James N. Gomoll
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Patent number: 8092877Abstract: The present invention relates to polymer structures such as thermoplastic films having improved aroma barrier properties and methods for making the polymeric structures, which may be in the form of a resealable container. Aroma barrier is improved by incorporating a barrier layer of polymeric material including at least about 10 mole percent of polymerized cyclo-olefin moieties.Type: GrantFiled: April 1, 2003Date of Patent: January 10, 2012Assignees: Topas Advanced Polymers, Inc., Pactiv CorporationInventors: Randy D. Jester, Barbara Canale-Schmidt, William P. Belias, Paul N. Chen
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Patent number: 8087826Abstract: Rolling action reclosable fastener comprises a male track including a male profile, a female track including a female profile, and a slider disposed on the male and female tracks to matingly engage the male profile and the female profile. The slider includes a back and a pair of sidewall depending therefrom. The slider also includes a separator finger depending from the back between the pair of sidewalls and shaped along its length to first press together a bottom of the male and female profiles and then roll the profiles closed toward a top thereof as the slider moves toward the closed condition. The male profile comprises a base and a rib with a hook portion having an inwardly-directed surface including a projection defining an engagement surface. The female profile comprises a base and a first flange having an inwardly-directed surface including a projection defining an engaging surface.Type: GrantFiled: June 21, 2011Date of Patent: January 3, 2012Assignee: Pactiv CorporationInventors: James S. Blythe, Steven P. Long
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Patent number: 8083887Abstract: A method of forming a container (100) includes heating two webs of material and indexing the webs into a vacuum thermoformer (40) which forms first (220) and second trays (110) simultaneously, wherein the second tray is disposed within a space of the first tray to define a reservoir (300) therebetween. A portion of the first tray is brought into contact with a flange portion of the second tray, and joined by a heat seal within the vacuum thermoformer. A punch device within the vacuum thermoformer perforates a drain aperture (117) in a central region of the bottom of the second tray, such that the drain aperture is in fluid communication with the reservoir. The cut-out section is adhered to the bottom of the first tray to eliminate the presence of any scrap material. The joined first and second tray is indexed out of the vacuum thermoformer and trimmed to separate an assembled container from the web supply.Type: GrantFiled: May 14, 2007Date of Patent: December 27, 2011Assignee: Pactiv CorporationInventors: Jon Michael LaRue, Craig Edward Cappel, Frank Andrew Petlak, Marshall Van Domelen
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Patent number: 8079945Abstract: A blown-film process for making a fiber-reinforced film comprises providing and melting at least one thermoplastic resin. The at least one thermoplastic resin is extruded through an extension die to form a film bubble. A plurality of fibers is introduced inside of the film bubble. The fibers are distributed inside of the film bubble. The film bubble is collapsed after introducing the plurality of fibers so as to form a fiber-reinforced film. The fiber-reinforced film has a first thermoplastic layer, a second thermoplastic layer, and a plurality of fibers dispersed therebetween. The film may be formed in a bag.Type: GrantFiled: February 10, 2004Date of Patent: December 20, 2011Assignee: Pactiv CorporationInventors: Brent L. Hild, William P. Belias, Steven F. Nielsen
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Patent number: 8026291Abstract: Expanded and extruded polyolefin foams are obtained using environmentally benign non-VOC methyl formate as a blowing agent. The blowing agent can be a blend further including at least one co-blowing agent, preferably an environmentally friendly species (e.g., non-VOC), which is either a physical co-blowing agent (e.g. an inorganic agent, a hydrocarbon, a halogenated hydrocarbon, a hydrocarbon with polar, functional group(s) or any combination thereof), or a chemical co-blowing agent, or combinations thereof. The blowing agent blend can include any combination of methyl formate and one or more co-blowing agents. The polymer foam can include polyethylene, polypropylene or a combination thereof. The methyl formate-based blowing agent blends produce stable foams for various applications, including containers, packaging systems, as well as for insulation and protective cushioning. Processes for the preparation of such foams are also provided.Type: GrantFiled: February 21, 2007Date of Patent: September 27, 2011Assignee: Pactiv CorporationInventors: Y. Paul Handa, Gary A. Francis
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Publication number: 20110217492Abstract: Various embodiments of the apparatus and methods are configured to make containers such as disposable reinforced cups using reinforcing members configured to be respectively attached to cups. The apparatus and method of various embodiments of the present disclosure sequentially heat different or selective portions of the heat activated adhesive on the reinforcing member at multiple sequential stages, steps or times to attach the reinforcing member to the container.Type: ApplicationFiled: March 4, 2010Publication date: September 8, 2011Applicant: Pactiv CorporationInventors: Dimitri Stamatiou, Shawn L. Petera, Evan L. Ryan
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Patent number: 8012554Abstract: Bags or liners having incorporated therein an effective amount of odor management agents including a counteractant agent, a neutralizing agent and optionally, a masking agent, whereby the odor management agent imparts no perceptible scent to the bags or liners, such that the bags or liners are substantially free of fragrance while the odor management agent reduces malodor emanating from products disposed within the bag. Further, the invention is drawn to web materials for use in forming the bags or liners having odor management agents. The odor management agent is disposed within the bag or dispersed substantially uniformly throughout the web.Type: GrantFiled: September 12, 2007Date of Patent: September 6, 2011Assignee: Pactiv CorporationInventors: Lindsay Shelley, Chieh-Chun Chau, Wayne J. Moras, Harley E. Erb, IV
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Publication number: 20110173910Abstract: Composite roofing boards and methods for installing a composite roofing board are presented herein. In one embodiment, the roofing board comprises at least nine layers: two outer polymeric layers; two adhesive layers disposed between the two outer polymeric layers; two inner polymeric layers disposed between the two adhesive layers; and a substrate layer disposed between the two inner polymeric layers. A polymeric adhesive, such as an acrylate-polymer adhesive, is preformed on an outer surface of the first and/or second outer polymeric layer. A removable release liner, such as a siliconized polyester film, covers the polymeric adhesive.Type: ApplicationFiled: January 21, 2010Publication date: July 21, 2011Applicant: Pactiv CorporationInventors: Kenneth Franklin, William G. McDonald
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Patent number: 7977397Abstract: The present invention relates to compositions comprising blends of alkenyl aromatic polymers such as styrenic polymers (i.e. PS and HIPS) and bio-based or biodegradable polymers (i.e. PLA, PGA, PHA, PBS, PCL) compatibilized with styrene-based copolymers (i.e. styrene-ethylene-butylene-styrene (SEBS) block copolymers, maleated SEBS, styrene-maleic anhydride (SMA) copolymer, styrene-methyl methacrylate (SMMA) copolymer) or a mixture of two or more styrene-based copolymers such as SEBS and SMA. These novel compositions can be extruded and thermoformed to produce very low density food service and consumer foam articles such as plates, hinged lid containers, trays, bowls, and egg cartons with good mechanical properties.Type: GrantFiled: March 14, 2008Date of Patent: July 12, 2011Assignee: Pactiv CorporationInventors: Yunwa Wilson Cheung, David V. Dobreski, Richard Turner, Mark Wheeler, Y. Paul Handa
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Patent number: 7946004Abstract: A fastener for a plastic bag includes first and second mutually engageable track portions and a slider for engaging and disengaging the track portions. In a preferred embodiment, the slider includes a core portion and an end portion. The core portion is made of a first material having a first preselected material property. The end portion is made of a second material having a second preselected material property and is arranged at opposing ends of the slider.Type: GrantFiled: December 20, 2006Date of Patent: May 24, 2011Assignee: Pactiv CorporationInventors: David P. Cameron, Stephen A. Meli
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Patent number: D638704Type: GrantFiled: December 10, 2010Date of Patent: May 31, 2011Assignee: Pactiv CorporationInventors: Frank A. Petlak, H. Bernard Kirkland, John Kerry Hobbs
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Patent number: D644103Type: GrantFiled: April 26, 2010Date of Patent: August 30, 2011Assignee: Pactiv CorporationInventor: Chadd R. Chatterton
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Patent number: D649396Type: GrantFiled: April 30, 2010Date of Patent: November 29, 2011Assignee: Pactiv CorporationInventors: Kimberlee M. Wilkens, Robert W. Hollis, Matthew W. Cowling, John D. O'Connor, Evan L. Ryan, Megan E. De Masi
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Patent number: D649397Type: GrantFiled: April 30, 2010Date of Patent: November 29, 2011Assignee: Pactiv CorporationInventors: Kimberlee M. Wilkens, Robert W. Hollis, Matthew W. Cowling, John D. O'Connor, Evan L. Ryan, Megan E. De Masi
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Patent number: D653536Type: GrantFiled: November 19, 2010Date of Patent: February 7, 2012Assignee: Pactiv CorporationInventor: Mark R. Gartz