Coextruded product of AES-thermoplastic graft copolymer
Patent 4438171 Issued on March 20, 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 ReferencesImpact-resistant thermoplastic composition based on graft copolymer Patent #: 4202948 InventorAssigneeApplicationNo. 06/406599 filed on 08/09/1982US Classes:428/215, Absolute thicknesses specified156/244.11, By extrusion428/216, No layer or component greater than 5 mils thick428/220, Physical dimension specified428/517, Next to polyene polymer428/519, Including polyene monomers428/521Polyene monomer-containingExaminersPrimary: McCamish, Marion E.Attorney, Agent or FirmInternational ClassesB32B 25/00 (20060101)B32B 25/08 (20060101) AbstractLaminate comprising AES of the dicyclopentadiene type coextruded onto a thermoplastic resin layer such as ABS. | |
