Laminate with skin based on AES graft copolymer
Patent 4440825 Issued on April 3, 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 3206354 Impact-resistant thermoplastic composition based on graft copolymer Patent #: 4202948 InventorAssigneeApplicationNo. 06/406597 filed on 08/09/1982US Classes:428/318.6, Of about the same composition as, and adjacent to, the void-containing component428/318.4, With nonvoid component of specified composition428/318.8, Integrally formed skin428/319.7, Linear or thermoplastic428/521, Polyene monomer-containing525/70, Mixing of solid graft or graft-type copolymer derived from ethylenic reactants only with other solid polymer derived from ethylenic reactants only; or treating said mixture with chemical treating agent; or processes of forming or reacting; or the resultant product of any of the above operations525/75Mixture contains solid polymer derived from reactant containing a fused- or bridged-ring system or from cycloaliphatic reactantExaminersPrimary: Lesmes, George F.Assistant: Buffalow, E. Rollins Attorney, Agent or FirmInternational ClassesB32B 25/00 (20060101)B32B 25/08 (20060101) B32B 27/00 (20060101) AbstractA laminate having at least two layers, one of which comprises an AES graft copolymer composition, the other layer being a rigid foamed plastic.Field of SearchWith nonvoid component of specified compositionVoid-containing component is synthetic resin or natural rubbers Next to polyene polymer Ester, halide or nitrile of addition polymer Synthetic resin or natural rubbers Linear or thermoplastic Polyene monomer-containing Ester, halide or nitrile of addition polymer Of about the same composition as, and adjacent to, the void-containing component | |
