Patents by Inventor Stanley Lustig
Stanley Lustig 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).
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Patent number: 4892603Abstract: A heat-shrinkable, multilayer film suitable for use in fabricating bags for packaging primal and sub-primal meat cuts and processed meats. The multilayer film has a first outer layer of an ethylene-vinyl acetate copolymer, a core layer of a barrier film comprising vinylidene chloride-methyl acrylate copolymer, and a second outer layer of an ethylene-vinyl acetate copolymer. The multilayer film is preferably made by co-extrusion of the layers, and then it is biaxially stretched. After biaxial stretching, the multilayer film is irradiated to a dosage level of between 1 megarad and 5 megarads and heat-sealed in the form of a bag. The bag has improved storage stability characteristics.Type: GrantFiled: September 9, 1988Date of Patent: January 9, 1990Assignee: Viskase CorporationInventors: Stanley Lustig, Jeffrey M. Schuetz, Stephen J. Vicik
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Patent number: 4865780Abstract: A heat-shrinkable, multilayer film suitable for use in fabricating bags for packaging primal and sub-primal meat cuts and processed meats. The multilayer film has a first outer layer of a first ethylene-vinyl acetate copolymer, a core layer of a barrier film including a polyvinylidene chloride vinylchloride copolymer containing between about 70 weight percent and about 90 weight percent vinylidene chloride, and a second outer layer of a second ethylene-vinyl acetate copolymer. The multilayer film is preferably made by co-extrusion of the layers, and then it is biaxially stretched. After biaxial stretching, the multilayer film is irradiated to a dosage level of between 2 megarads and 3 megarads and heat-sealed in the form of a bag. The bag has improved toughness properties and heat-sealing characteristics and is not significantly discolored by the irradiation.Type: GrantFiled: February 5, 1988Date of Patent: September 12, 1989Assignee: Viskase CorporationInventors: Stanley Lustig, Jeffrey M. Schuetz, Stephen J. Vicik
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Patent number: 4863769Abstract: Heat-shrinkable films suitable for packaging food articles such as frozen poultry, primal meat cuts, and processed meat products. In one embodiment, the film may be a biaxially stretched monolayer film of a very low density polyethylene copolymer. In another embodiment, the film may be a biaxially stretched multilayer film comprising a first outer layer of an ethylene-vinyl acetate copolymer, a core layer of a barrier film such as a polyvinylidene chloride copolymer or an ethylene-vinyl alcohol copolymer, and a second outer layer comprising a blend of an ethylene-vinyl acetate copolymer and a very low density polyethylene copolymer. The multilayer film is preferably made by coextrusion of the layers. The films for fabricated into bags useful for the aforementioned purposes. The bags have improved toughness.Type: GrantFiled: April 24, 1987Date of Patent: September 5, 1989Assignee: Viskase CorporationInventors: Stanley Lustig, Nancy M. Mack, Jeffrey M. Schuetz, Stephen J. Vicik
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Patent number: 4863784Abstract: A coextruded, heat shrinkable, thermoplastic multilayer film for packaging fresh red meat cuts and processed meats. The film comprises a first layer comprising very low density polyethylene, a first core layer of vinylidene chloride-methyl acrylate copolymer, and a second layer comprising very low density polyethylene. In another embodiment the first layer is a second core layer confined between said first core layer and a first outer layer comprising a heat sealable thermoplastic polymer or copolymer. In a further embodiment the second layer is a second core layer confined between said first core layer and a second outer layer comprising a thermoplastic polymer or copolymer.Type: GrantFiled: May 28, 1987Date of Patent: September 5, 1989Assignee: Viskase CorporationInventors: Stanley Lustig, Jeffrey M. Schuetz
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Patent number: 4828891Abstract: A heat-shrinkable multilayer film suitable for use in fabricating bags for packaging primal and subprimal meat cuts. The multilayer film has a first outer layer of an ethylene-vinyl acetate copolymer, a first core layer of an oxygen barrier material, a second core layer of a polyurethane, and a second outer layer of a linear low density polyethylene. The multilayer film is preferably made by coextrusion of the layers, and then it is biaxially stretched. After biaxial stretching, the multilayer film is preferably irradiated to a dosage level of between 3 megarads and 8 megarads, and is then heat-sealed in the form of a bag. The bag has improved toughness properties.Type: GrantFiled: February 2, 1987Date of Patent: May 9, 1989Assignee: Viskase CorporationInventors: Stanley Lustig, Jeffrey M. Schuetz, Stephen J. Vicik
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Patent number: 4784863Abstract: A meat product package comprising an enclosing multilayer film having an inner layer and an insitu aqueous medium-cooked meat product in adhering relation to the inner layer inner surface, the latter comprising EVA with starch particles dispersed across the inner surface and integral therewith, the starch particle-containing EVA layer being irradiated.Type: GrantFiled: November 30, 1987Date of Patent: November 15, 1988Assignee: Viskase CorporationInventors: Stanley Lustig, Jeffrey M. Schuetz
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Patent number: 4740400Abstract: A transparent heat shrinkable, multilayer film comprising:(a) at least one layer comprising a vinylidene chloride-vinyl chloride copolymer; and(b) at least one layer comprising a thermoplastic polymer; and(c) a sufficient amount of a dioxazine violet pigment to provide a film which retains an aesthetically acceptable violet appearance despite exposure to elevated temperatures and/or irradiation.Type: GrantFiled: March 27, 1986Date of Patent: April 26, 1988Assignee: Viskase CorporationInventors: Stanley Lustig, Stephen J. Vicik, John A. Ransford
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Patent number: 4737391Abstract: A heat-shrinkable, multilayer film suitable for use in fabricating bags for packaging primal and sub-primal meat cuts and processed meats. The multilayer film has a first outer layer of a first ethylene-vinyl acetate copolymer, a core layer of a barrier film as previously described comprising a polyvinylidene chloride vinyl chloride copolymer containing between about 70 weight percent and about 90 weight percent vinylidene chloride, and a second outer layer of a second ethylene-vinyl acetate copolymer. The multilayer film is preferably made by co-extrusion of the layers, and then it is biaxially stretched. After biaxial stretching, the multilayer film is irradiated to a dosage level of between 2 megarads and 3 megarads and heat-sealed in the form of a bag. The bag has improved toughness properties and heat-sealing characteristics, and is not significantly discolored by the irradiation.Type: GrantFiled: April 24, 1987Date of Patent: April 12, 1988Assignee: Viskase CorporationInventors: Stanley Lustig, Jeffrey M. Schuetz, Stephen J. Vicik
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Patent number: 4714638Abstract: A heat-shrinkable, multilayer film suitable for use in fabricating bags for packaging primal and sub-primal meat cuts and processed meats. The multilayer film has a first outer layer of an ethylene-vinyl acetate copolymer, a core layer of a barrier film comprising vinylidene chloride-methyl acrylate copolymer, and a second outer layer of an ethylene-vinyl acetate copolymer. The multilayer film is preferably made by co-extrusion of the layers, and then it is biaxially stretched. After biaxial stretching, the multilayer film is irradiated to a dosage level of between 1 megarad and 5 megarads and heat-sealed in the form of a bag. The bag has improved storage stability characteristics.Type: GrantFiled: June 14, 1985Date of Patent: December 22, 1987Assignee: Viskase CorporationInventors: Stanley Lustig, Jeffrey M. Schuetz, Stephen J. Vicik
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Patent number: 4547413Abstract: A heat-shrinkable film suitable for use in fabricating bags for packaging frozen poultry. The film composition comprises a resin mixture of between about 75 and about 95 weight percent of an ethylene-vinyl acetate copolymer having a vinyl acetate content of from at least about 1.7 to about 5.0 weight percent, and having a melt index of from at least about 0.15 to about 0.35 decigram per minute; and between about 5 and about 25 weight percent of a polyethylene material selected from the group consisting of: (a) high density polyethylene having a melt index of between about 0.15 and about 0.70 decigram per minute, and a density of between about 0.94 and about 0.96 grams per cubic centimeter, and (b) low pressure-low density polyethylene having a melt index of between about 0.3 and about 3.0 decigrams per minute, and a density of between about 0.915 and about 0.925 gram per cubic centimeter.Type: GrantFiled: June 27, 1984Date of Patent: October 15, 1985Assignee: Union Carbide CorporationInventors: Stanley Lustig, Jeffrey M. Schuetz, Stephen J. Vicik
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Patent number: 4447480Abstract: A heat-shrinkable film suitable for use in fabricating bags for packaging frozen poultry. The film composition comprises a resin mixture of between about 80 and about 95 weight percent of an ethylene-vinyl acetate copolymer having a vinyl acetate content of from at least about 1.7 to about 4.5 weight percent, and having a melt index of from at least about 0.15 to about 0.35 decigram per minute; and between about 5 and about 20 weight percent of a polyethylene material selected from the group consisting of: (a) high density polyethylene having a melt index of between about 0.15 and about 0.70 decigram per minute, and a density of between about 0.94 and about 0.96 grams per cubic centimeter, and (b) low pressure low density polyethylene having a melt index of between about 0.3 and about 3.0 decigrams per minute, and a density of between about 0.915 and about 0.925 gram per cubic centimeter.Type: GrantFiled: December 1, 1982Date of Patent: May 8, 1984Assignee: Union Carbide CorporationInventors: Stanley Lustig, Jeffrey M. Schuetz, Stephen J. Vicik
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Patent number: 4348437Abstract: A flexible biaxially stretched multilayer film including a layer having a thickness of at least about 0.5 mil and comprising a blend of a polyurethane polymer and an ethylene vinyl acetate copolymer, wherein the weight fraction of ethylene vinyl acetate copolymer in the blend does not exceed 0.40, the film having been subjected to a biaxial stretching in the range of from about 12 to about 20.Type: GrantFiled: June 10, 1981Date of Patent: September 7, 1982Assignee: Union Carbide CorporationInventors: Stanley Lustig, Stephen J. Vicik
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Patent number: 4296142Abstract: A method for coating a tubular food casing includes subjecting an inflated section of the food casing to a cloud of electrostatically charged dry particles and sintering the coated food casing. The process provides a pin-hole free coating and permits a continuous operation.Type: GrantFiled: November 13, 1979Date of Patent: October 20, 1981Assignee: Union Carbide CorporationInventors: Ganapathy Vasudevan, Stanley Lustig
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Patent number: 4296156Abstract: A flexible biaxially oriented multilayer film includes at least one layer having a thickness of at least about 0.5 mil and consisting essentially of an aromatic polyurethane, the film having been subjected to a biaxial stretching in the range of from about 12 to about 18, preferably about 16.Type: GrantFiled: December 26, 1979Date of Patent: October 20, 1981Assignee: Union Carbide CorporationInventors: Stanley Lustig, Stephen J. Vicik
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Patent number: 4293664Abstract: A stretchable monolayer film adapted for packaging and cooling poultry, consists essentially of a blend of an ionomer and an elastomer.Type: GrantFiled: December 27, 1979Date of Patent: October 6, 1981Assignee: Union Carbide CorporationInventors: Stanley Lustig, Stephen J. Vicik
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Patent number: 4211596Abstract: A composite tubular food casing comprising a substantially flattened tubular substrate of cellulosic material and a melt extruded layer of thermoplastic material bonded to the tubular substrate with a beaded seam formed in the thermoplastic material adjacent the flattened edges of the cellulosic layer and separated from each edge a predetermined distance of no greater than 0.003 inches.Type: GrantFiled: October 13, 1978Date of Patent: July 8, 1980Assignee: Union Carbide CorporationInventors: Stanley Lustig, Ganapathy Vasudevan
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Patent number: 4207363Abstract: A heat-shrinkable multilayer film suitable for use in the packaging of primal meat cut, includes a first outer layer comprising a blend of a propylene-ethylene copolymer, a (butene-1)-ethylene copolymer, and a thermoplastic elastomer selected from the group consisting of ethylene-propylene copolymers and ethylene-propylene diene terpolymers; a first core layer connected to the first outer layer and being capable of being stretched during the biaxial orientation of the multilayer film and comprising an extrudable adhesive; a second core layer connected to the first core layer and serving as an oxygen barrier to protect the meat cut from spoilage and being compatible to the biaxial orienting and heat shrinking of the film; and a second outer layer comprising an ethylene vinyl acetate copolymer; the multilayer film being biaxially oriented.Type: GrantFiled: March 29, 1978Date of Patent: June 10, 1980Assignee: Union Carbide CorporationInventors: Stanley Lustig, John Anthony
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Patent number: 4196240Abstract: A heat-shrinkable multilayer film suitable for use in the packaging of a frozen poultry, includes a first outer layer comprising a blend of propylene-ethylene copolymer having a high isotactic molecular structure with less than about 6% by weight being ethylene and having a melt flow of from about 1.5 to about 18 decigrams per minute; a (butene-1)-ethylene copolymer having a high isotactic molecular structure with less than about 10% by weight ethylene and having a melt flow of from about 0.1 to about 5.0 decigrams per minute, and a thermoplastic elastomer selected from the group consisting of ethylene-propylene copolymers and ethylene-propylene diene terpolymers, the ratio by weight of the propylene-ethylene copolymer to the (butene-1)-ethylene copolymer being from about 2:1 to about 1:2 and the thermoplastic elastomer being present from about 10% to about 50% by weight, and a second outer layer comprising an ethylene-(butene-1) copolymer having a melt flow of from about 0.1 to about 1.Type: GrantFiled: January 18, 1978Date of Patent: April 1, 1980Assignee: Union Carbide CorporationInventors: Stanley Lustig, Stephen J. Vicik, William J. Kohler
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Patent number: 4156749Abstract: An elastic multilayer film suitable for use in connection with the packaging of poultry, comprises a first outer layer including a plasticized polyvinyl chloride having an inherent viscosity greater than about 1.10 and having a plasticizer content of from about 35 phr to about 40 phr, and a second outer layer including an ethylene vinyl acetate copolymer having a vinyl acetate content of from about 16% to about 20% by weight and having a melt flow of from about 1.0 to about 3.0 decigrams per minute.Type: GrantFiled: January 18, 1978Date of Patent: May 29, 1979Assignee: Union Carbide CorporationInventors: Stanley Lustig, Stephen J. Vicik
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Patent number: 4131137Abstract: A composite tubular food casing comprising a substantially flattened tubular substrate of cellulosic material and a melt extruded layer of thermoplastic material bonded to the tubular substrate with a beaded seam formed in the thermoplastic material adjacent the flattened edges of the cellulosic layer and separated from each edge a predetermined distance of no greater than 0.003 inches.Type: GrantFiled: December 23, 1976Date of Patent: December 26, 1978Assignee: Union Carbide CorporationInventors: Stanley Lustig, Ganapathy Vasudevan