1
Thomas C Warren: Thermoplastic packaging film of low I.sub.10 /I.sub.2. W R Grace & Co Conn, John J Toney, William D Lee Jr, Jennifer L Skord, April 11, 1989: US04820557 (89 worldwide citation)

Disclosed is a high abuse-resistance film suitable for making bags and pouches. The film has at least one layer comprising a linear copolymer of ethylene and an alpha-olefin with a density of about 0.935 g/cc or less. The copolymer has a comparatively lower I.sub.10 /I.sub.2 ratio than the correspon ...


2
Thomas C Warren: Thermoplastic multi-layer packaging film and bags made therefrom. W R Grace & Co Conn, John J Toney, William D Lee Jr, Jennifer L Skord, June 6, 1989: US04837084 (87 worldwide citation)

Disclosed is a heat-shrinkable film suitable for making bags and pouches. The film has at least one layer comprising a copolymer of ethylene and an alphaolefin with six or more carbon atoms per molecule, said copolymer having a density of about 0.910 g/cc of less and a melt index of about 2 or less.


3
Thomas C Warren: Collapsing bladder positive expulsion device. United Technologies Corporation, Steven F Stone, April 28, 1981: US04264018 (75 worldwide citation)

Collapsing bladder positive expulsion devices are provided in which the bladder itself is configured to have areas of longitudinal stiffening such that upon the application of external pressure the bladder can be caused to collapse inwardly upon itself in a predetermined fashion without the requirem ...


4
Steven B Garland, Thomas C Warren: Process for enhanced orientation of polymeric films. W R Grace & Co, John J Toney, William D Lee Jr, Jennifer L Skord, January 10, 1989: US04797235 (31 worldwide citation)

Described is the presence of both a chemical cross-linking agent and irradiation such as electron beam irradiation, in the manufacturing process for making an oriented, i.e. heat-shrinkable, polymeric film. The presence of both results in an amount of cross-linking that is effective to accomplish an ...


5
Thomas C Warren: Oriented polymeric films. W R Grace & Co Conn, John J Toney, William D Lee Jr, Jennifer L Skord, September 18, 1990: US04957790 (23 worldwide citation)

Described is the presence of both a pro-rad linking agent and irradiation such as electron beam irradiation, in the manufacturing process for making an oriented, i.e. heat-shrinkable, polymeric film. The presence of both results in an amount of cross-linking that is effective to accomplish an increa ...


6
Thomas C Warren: Oriented polymeric films and process for enhanced orientation of polymeric films. W R Grace & Co Conn, William D Lee Jr, Jennifer L Skord, Mark B Quatt, April 21, 1992: US05106545 (16 worldwide citation)

The present invention provides a process for increasing the orientation rate during manufacturing a heat-shrinkable (oriented) polymeric film including: (a) introducing a pro-rad agent to a cross-linkable polymer by blending the cross-linking agent with the cross-linkable polymer, (b) extruding the ...


7
Thomas C Warren: Eva based multi-layer, heat-shrinkable, packaging film and bags made therefrom. W R Grace & Co Conn, John J Toney, William D Lee Jr, Jennifer L Skord, August 1, 1989: US04853265 (16 worldwide citation)

Disclosed is a heat-shrinkable, oriented, multi-layer packaging film. The film has at least two layers comprising EVA. One of the EVA layers is of EVA having a melt index different from the melt index of the EVA of the other layer or layers.


8
Steven B Garland, Thomas C Warren: Cross-linked multilayer heat-shrinkable oriented polymeric film. W R Grace & Co Conn, William D Lee Jr, Jennifer L Skord, Mark B Quatt, February 18, 1992: US05089352 (7 worldwide citation)

Described is the presence of both a chemical cross linking agent and irradiation such as electron beam irradiation, in the manufacturing process for making an oriented, i.e. heat-shrinkable, polymeric film. The presence of both results in an amount of cross-linking that is effective to accomplish an ...