Packing laminate
Patent 4590126 Issued on May 20, 1986. Estimated Expiration Date: 
September 28, 2004. 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.
September 28, 2004. 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 ReferencesPaper-board laminate Thermoplastic carrying bag with binary polyolefin resin blend Multiple layer flexible sheet structure Patent #: 4418841 InventorAssigneeApplicationNo. 06/655721 filed on 09/28/1984US Classes:428/349, Synthetic resin or polymer428/458, Next to polyester, polyamide or polyimide (e.g., alkyd, glue, or nylon, etc.)428/461, Next to addition polymer from unsaturated monomers428/511Paper or woodExaminersPrimary: Buffalow, EdithAttorney, Agent or FirmInternational ClassesB32B 27/32 (20060101)B65D 65/40 (20060101) Foreign Application Priority Data1983-10-05 SEAbstractA packing laminate for the manufacture of packing containers for edible oil must have an oil-resistant inner layer which is not affected by the oil, even during prolonged storage periods. A packing laminate meeting this condition has an extruded inner layer of two types of plastics mixed with one another, namely LLDPE and LDPE. | |
