1
Julian H Schoenberg: Oriented heat-sealable multilayer packaging film. W R Grace & Co Cryovac Div, John J Toney, William D Lee Jr, Mark B Quatt, November 5, 1985: US04551380 (105 worldwide citation)

A three layered heat shrinkable, heat sealable thermoplastic packaging film having a desired combination of physical characteristics is disclosed. The film may be utilized to package a wide variety of items. A preferred embodiment of the film comprises a core layer consisting essentially of a linear ...


2
Vincent W Herran: Multi-compartment package having improved partition strip. W R Grace & Co Conn, William D Lee Jr, Mark B Quatt, February 22, 1994: US05287961 (97 worldwide citation)

A multi-compartment flexible package is provided for filling with products which are to be stored separately from each other. A multi-compartment package made from flexible thermoplastic material heat sealed at the peripheral edges is provided. The compartments are formed by rupturable partition str ...


3
Allen C Williams Jr: Package having peelable film. W R Grace & Co Conn, William D Lee Jr, Mark B Quatt, Jennifer L Skord, December 26, 1989: US04889731 (86 worldwide citation)

A package for extended storage and in-store display of fresh red meat is disclosed. Preferably the package is made by a vacuum skin packaging process wherein the forming web is a composite peelable film having a peelable oxygen barrier layer and an oxygen permeable skin layer which remains to enclos ...


4
Walter B Mueller: Stretch/shrink film with improved oxygen transmission. W R Grace & Co Conn, John J Toney, William D Lee Jr, Mark B Quatt, August 28, 1990: US04952451 (85 worldwide citation)

A multi-layered thermoplastic polyolefin film having an improved combination of physical characteristics is disclosed. In particular, the multi-layered film evidences an improved combination of elongation, oxygen transmission and heat shrinkability. Preferred five layer embodiments of the film compr ...


5
Daniel J Ferguson, Henry G Schirmer, Walter B Mueller: Multi-layer packaging film and receptacles made therefrom. W R Grace & Co Cryovac Div, John J Toney, William D Lee Jr, Mark B Quatt, February 3, 1987: US04640856 (82 worldwide citation)

Improved shrink, toughness and barrier properties are achieved by a multi-layer, thermoplastic, shrink film having a substrate layer of very low density polyethylene and a gas barrier layer of vinylidene chloride copolymer or ethylene-vinyl-alcohol. The film is particularly useful for making bags fo ...


6
Gautam P Shah: Oxygen barrier oriented film. W R Grace & Co Cryovac Div, John J Toney, William D Lee Jr, Mark B Quatt, February 9, 1988: US04724185 (81 worldwide citation)

A coextruded multiple layer oriented film comprises a core layer of a blend of ethylene vinyl alcohol copolymer and polyamide, two intermediate adhesive layers, and two outer layers of a blend of linear low density polyethylene, linear medium density polyethylene, and ethylene vinyl acetate copolyme ...


7
Walter B Mueller: Linear polyethylene stretch/shrink films. W R Grace & Co Cryovac Div, John J Toney, William D Lee Jr, Mark B Quatt, October 14, 1986: US04617241 (77 worldwide citation)

A multi-layered thermoplastic polyolefin film having an improved combination of physical characteristics is disclosed. In particular, the multi-layered film evidences an improved combination of elongation, elastic memory, tear resistance and heat shrinkability. Preferred five layer embodiments of th ...


8
Walter B Mueller: Linear polyethylene shrink films. W R Grace & Co Cryovac Div, John J Toney, William D Lee Jr, Mark B Quatt, July 30, 1985: US04532189 (77 worldwide citation)

A multi-layered thermoplastic film having improved physical characteristics is formulated through utilization of a linear low density polyethylene or linear medium density polyethylene resin as a core and/or an intermediate layer constituent.


9
Walter B Mueller: Flexible medical solution pouches. W R Grace & Co Cryovac Div, John J Toney, William D Lee Jr, Mark B Quatt, February 17, 1987: US04643926 (75 worldwide citation)

A flexible film suitable for medical solution pouches and parenteral materials generally includes a sealant layer of ethylene propylene copolymer, modified ethylene propylene copolymer, or flexible copolyester; one or more interior layers including elastomeric polymeric materials, and an outer layer ...


10
Gautam P Shah: Oxygen barrier oriented shrink film. W R Grace & Co Cryovac Div, John J Toney, William D Lee Jr, Mark B Quatt, July 5, 1988: US04755419 (69 worldwide citation)

A coextruded multiple layer oriented film comprises a core layer of ethylene vinyl alcohol copolymer, and two intermediate layers each comprising a polyamide. Two outer layers comprising polymeric materials or blends of polymeric materials such as (a) linear low and linear medium density polyethylen ...