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Peter Breidt Jr, Thomas W Higgins, A Michael Nahmias, Milton L Weiner: Coextruded heat sealable laminar thermoplastic films. Mobil Oil Corporation, Charles A Huggett, James D Tierney, April 3, 1979: US04147827 (100 worldwide citation)

Laminar thermoplastic films are provided which exhibit improved heat seal strengths as well as heat seal temperature ranges. The laminates comprise a predominantly propylene-based polymer substrate or core, the propylene core layer being coated with continuous skins, the skins being fabricated from ...


2
Milton L Weiner, Peter Breidt Jr, Thomas W Higgins: Packaging film with improved heat sealability. Mobil Oil Corporation, Charles A Huggett, Ronald J Cier, November 14, 1978: US04125662 (29 worldwide citation)

A packaging film composition having an improved heat seal range. The film comprises a core, which is preferably propylene homopolymer or copolymer but which may be a blend of polypropylene with any other compatible polymer, such core being coated on one or both sides with butene-1 homopolymer or wit ...


3
Peter Breidt Jr, Thomas W Higgins, A Michael Nahmias, Milton L Weiner: Coextruded heat sealable laminar thermoplastic films. Mobil Oil Corporation, Charles A Huggett, James D Tierney, April 8, 1980: US04197150 (18 worldwide citation)

Laminar thermoplastic films are provided which exhibit improved heat seal strengths as well as heat seal temperature ranges. The laminates comprise a predominantly propylene-based polymer substrate or core, the propylene core layer being coated with continuous skins, the skins being fabricated from ...


4
Peter Breidt Jr, John R Wagner Jr: Process for producing thermoformable polypropylene films and sheets. Mobil Oil Corporation, Alexander J McKillop, George W Hager Jr, Michael J Mlotkowski, May 11, 1993: US05209892 (2 worldwide citation)

A process for thermoforming thermo-plastics including a random copolymer of polypropylene and polyethylene. The process including stretching in at least one direction, a film or sheet containing polypropylene and polyethylene random copolymer to partially orient the sheet sufficiently as to reduce s ...


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