Sterilizable packaging film
AssigneeAmerican National Can Company
InventorRichard E. Johnson
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Abstract
A sterilizable multiple layer packaging film comprising a first outer layer comprising polypropylene or propylene copolymers, a core layer comprising polyisobutylene modified high density polyethylene and a second outer layer of about 100% to 10% polyisobutylene modified high density polyethylene or at least one copolymer thereof.
Claims13
A sterilizable multilayer film comprising a first outer layer comprising polypropylene or propylene copolymers, a core layer comprising polyisobutylene modified high density polyethylene and a second outer layer of about 100% to 10% polyisobutylene modified high density polyethylene and about to 90% of a second component comprising polypropylene or at least one copolymer thereof.
A sterilizable multilayer film comprising a first outer layer, a core layer of rubber modified polypropylene and/or copolymers thereof and a second outer layer of about 100% to 10% polyisobutylene modified high density polyethylene and about 0 to 90% polypropylene and/or one or more propylene copolymers.
Dependencies are inferred from the claim text.