Poly-1-butene multilayers plastic film
September 30, 2002. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3281501 3694524 Process for the manufacture of polyolefin film Hydrocarbon interpolymer compositions Low odor electrosensitive paper Linear low density ethylene hydrocarbon copolymer containing composition for extrusion coating Thermoplastic carrying bag with polyolefin resin blend Melt-extruded multilayer polyethylene bag film High tear strength polymers Multilayer trash bag film Patent #: 4444828 InventorApplicationNo. 06/428996 filed on 09/30/1982US Classes:428/35.2, Nonself-supporting tubular film or bag (e.g., pouch, envelope, packet, etc.)428/216, No layer or component greater than 5 mils thick428/349, Synthetic resin or polymer428/516Monoolefin polymerExaminersPrimary: Lesmes, George F.Assistant: Buffalow, E. Rollins Attorney, Agent or FirmInternational ClassB32B 27/32 (20060101)AbstractA multilayer plastic film suitable for use in the manufacture of garbage and trash bags wherein the film comprises one or more layers representing at least one first outer layer comprising poly-1-butene and at least one second outer layer comprising low pressure, low density polyethylene. | |
