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US Patent 4658434 - Laminates and laminated articles
US Patent Issued on April 14, 1987
Estimated Patent Expiration Date:
May 29, 2006Estimated 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.
Estimated Patent Expiration Date:
May 29, 2006Estimated 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.AbstractA laminate having a first layer of heat sealable plastics material, a second layer of high density plastics, a third layer of high density plastics cross-laminated to the second layer, a fourth layer of foil and a fifth layer of plastics material. A sack or container is also disclosed, which sack or container is formed from the aforesaid laminate. | InventorAssigneeApplicationNo. 06/867961 filed on 05/29/1986US Classes:383/66, For access opening in sidewall383/80, Cap-type428/35.9, Three or more layers (continuous layer)428/36.7, Vapor or gas barrier, polymer derived from vinyl chloride or vinylidene chloride, or polymer containing a vinyl alcohol unit is sandwiched between layers (continuous layer)428/461, Next to addition polymer from unsaturated monomers428/516Monoolefin polymerField of Search383/66For access opening in sidewallExaminersPrimary: Van Balen, William J.Attorney, Agent or FirmUS Patent References4513050, Material for packaging light-sensitive materialsIssued on: 04/23/1985 Inventor: Akao4532189, Linear polyethylene shrink films Issued on: 07/30/1985 Inventor: Mueller4576844, Shipping bag Issued on: 03/18/1986 Inventor: Murray , et al.4588621, Container body of the composite type and container comprising said body Issued on: 05/13/1986 Inventor: Bunel , et al.4590126, Packing laminate Issued on: 05/20/1986 Inventor: Andersson4605576Multilayer plastic articles Issued on: 08/12/1986 Inventor: Jabarin International ClassesB32B 15/08 (20060101)B65D 30/08 (20060101) |
