Film for heat sealing and process of heat sealing
Patent 4338378 Issued on July 6, 1982. Estimated Expiration Date: 
July 31, 2001. 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.
July 31, 2001. 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 3562356 3678134 4091134 InventorsAssigneeApplicationNo. 06/289091 filed on 07/31/1981US Classes:428/462Including polyene monomers (e.g., butadiene, etc.)ExaminersPrimary: Michl, Paul R.Attorney, Agent or FirmInternational ClassesB32B 27/28 (20060101)C08L 53/00 (20060101) C08L 53/02 (20060101) C09D 153/00 (20060101) C09D 153/02 (20060101) Foreign Application Priority Data1978-06-29 JPAbstractA film and a laminate using the film as a substrate which both are suitable for heat sealing and a process for heat sealing the film and the laminate are disclosed. The film comprises a blend of (I) at least one member selected from the group consisting of (A) elastomeric block copolymers of vinyl-aromatic compounds with conjugated diene compounds, (B) resinous block copolymers of vinyl-aromatic compounds with conjugated diene compounds and (C) vinyl-aromatic resins and/or modified vinyl-aromatic resins, and (II) an olefinic polymer.Field of SearchIncluding polyene monomers (e.g., butadiene, etc.) | |
