Calendered AES film
Patent 4444840 Issued on April 24, 1984. Estimated Expiration Date: 
August 9, 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.
August 9, 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 3489821 Impact-resistant thermoplastic composition based on graft copolymer Patent #: 4202948 InventorAssigneeApplicationNo. 06/406598 filed on 08/09/1982US Classes:428/339, Including synthetic resin or polymer layer or component428/493, Next to second layer of natural rubber428/521, Polyene monomer-containing428/522Ester, halide or nitrile of addition polymerExaminersPrimary: Lesmes, George F.Assistant: Buffalow, E. Rollins Attorney, Agent or FirmInternational ClassB32B 27/30 (20060101)AbstractCalendered AES film containing 25-40% rubber; usually pigmented.Other References
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