Weatherable three layer films
Patent 4724186 Issued on February 9, 1988. Estimated Expiration Date: 
February 9, 2007. 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.
February 9, 2007. 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 3006889 3165560 3291863 3299182 3705067 3819554 3845166 3904579 Thermoplastic composition comprising PVC and chlorinated polyethylene Thermoplastic composition comprising pvc and chlorinated polyethylene InventorApplicationNo. 07/012589 filed on 02/09/1987US Classes:428/344, Next to metal156/499, With separate (nonpress) heating means for work428/353, Including a primer layer428/447, As siloxane, silicone or silane428/461, Next to addition polymer from unsaturated monomers428/463, Ester, halide or nitrile of addition polymer428/514, Ester, halide or nitrile of addition polymer428/518, Next to vinyl or vinylidene chloride polymer428/520Ester, halide or nitrile of addition polymerExaminersPrimary: Ives, P. C.Attorney, Agent or FirmInternational ClassesC09J 127/00 (20060101)C09J 127/06 (20060101) C09J 7/02 (20060101) C09J 123/08 (20060101) C09J 123/00 (20060101) B32B 27/30 (20060101) C08L 23/00 (20060101) C08L 23/28 (20060101) AbstractA flexible weather resistant film particularly adapted for use as a weatherable surface coating by lamination to a substrate comprising a weather resistant layer of a blend of a vinyl chloride polymer, an interpolymer of ethylene and at least one carboxylic acid or ester thereof containing ethylenic unsaturation, and chlorinated polyethylene, an adhesive layer for adhesion of the film to a substrate comprising an interpolymer of ethylene and acrylic or methacrylic acid and interposed between the weatherable layer and the adhesive layer, an interlayer comprising a copolymer of ethylene and vinyl acetate. | |
