1
Stanley Lustig, Nancy M Mack, Jeffrey M Schuetz, Stephen J Vicik: Puncture resistant, heat-shrinkable films containing very low density polyethylene. Viskase Corporation, John C LeFever, September 5, 1989: US04863769 (91 worldwide citation)

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 s ...


2
Stanley Lustig, Nancy M Mack, Jeffrey M Schuetz, Stephen J Vicik: Biaxially stretched, heat shrinkable VLDPE film. Viskase Corporation, John C LeFever, Cedrick M Richeson, October 22, 1991: US05059481 (86 worldwide citation)

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 s ...


3
Stanley Lustig, Jeffrey M Schuetz, Stephen J Vicik: Multilayer film having improved heat sealing characteristics. Viskase Corporation, Cedric M Richeson, October 16, 1990: US04963419 (75 worldwide citation)

A multilayer film is disclosed having improved heat sealing characteristics, comprising a first outer layer containing a heat sealable thermoplastic polymer having substantial freedom from cross-linking bonds, and a second layer containing a cross-linked ethylene polymer. In one embodiment the multi ...


4
Scott Allan Idlas: Multilayer plastic film, useful for packaging a cook-in foodstuff. Viskase Corporation, Cedric M Richeson, June 2, 1998: US05759648 (55 worldwide citation)

A multilayer, preferably biaxially oriented, film suitable for processing and/or packaging cook-in foods such as ham, roast beef and poultry having an excellent combination of oxygen barrier, heat seal and optical properties comprising at least five essential sequential layers with a first layer of ...


5
Vincent J Dudenhoeffer, Jeffrey M Schuetz: Bone-in food packaging article. Viskase Corporation, John C LeFever, April 12, 1994: US05302402 (53 worldwide citation)

An article for shrink packaging bone-in food masses such as meat cuts comprising a thin-walled heat shrinkable thermoplastic film bag and a thick-walled nonheat shrinkable thermoplastic film patch having its inner surface bonded to the bag outer surface. Both surfaces have high energy as the sole bo ...


6
Stephen J Vicik: Cook-in shrink film. Viskase Corporation, John C LeFever, March 29, 1988: US04734327 (52 worldwide citation)

An irradiated three layer heat shrinkable plastic film comprising an EVOH - Nylon core layer as an oxygen barrier, a first outer layer comprising a blend of EVA and C6-C8 olefin type LLDPE, and a second outer layer comprising EVA.


7
Stanley Lustig, Nancy M Mack, Jeffrey M Schuetz, Stephen J Vicik: Process for making puncture resistant, heat-shrinkable films containing very low density polyethylene. Viskase Corporation, John C LeFever, December 11, 1990: US04976898 (51 worldwide citation)

Method of manufacturing a heat shrinkable biaxially oriented thermoplastic film by extruding a primary tube including very low density polyethylene (VLDPE), heating the primary tube and biaxially stretching the heated primary tube using a double bubble method to form a tube which is heat shrinkable ...


8
Donald J Ralph: Multilayer stretch/shrink film. Viskase Corporation, John C LeFever, January 18, 1994: US05279872 (49 worldwide citation)

A biaxially oriented heat shrinkable multilayer stretch film useful as a trayed poultry overwrap includes outer layers each comprising a blend of VLDPE (density below about 0.914 g/cm.sup.3 and an ethylene alpha-olefin plastomer (density below about 0.90 g/cm.sup.3).


9
Paul N Georgelos: Puncture resistant heat shrinkable film containing narrow molecular weight ethylene alpha olefin. Viskase Corporation, D Bobrowicz, J C LeFever, March 14, 1995: US05397613 (45 worldwide citation)

A biaxially stretched film with very high heat shrink and puncture resistance properties, formed of low density ethylene alpha olefin copolymer having low melt index, low Mw/Mn, low melting point and low Young's Modulus.


10
Alberto Velazquez: Polyolefin stretch film. Viskase Corporation, Cedric M Richeson, March 25, 1997: US05614297 (42 worldwide citation)

A polyolefin blown or slot cast monolayer or multilayer stretch film useful as a trayed overwrap e.g. for fresh red meat includes at least three layers in the multilayer embodiment each of which contains an ethylene alpha-olefin copolymer having a density below 0.915 g/cm.sup.3 and having a melting ...