Compatibilized blend of olefinic polymers and monovinylidene aromatic polymers
Patent 5460818 Issued on October 24, 1995. Estimated Expiration Date: 
April 12, 2014. 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.
April 12, 2014. 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 3117945 3117946 3851015 Homogeneous polyolefin and arylvinyl-polymer-based compositions Extrudable foamable composition comprising an olefin polymer, a styrene polymer and a hydrogenated styrene butadiene block copolymer Impact-resistant polystyrene, -olefin, block copolymer blends Articles resistant to attack by fatty substances, made from polystyrene blends, and compositions Thermoformable polymer blend composition comprising styrene polymer, olefin polymer and block copolymer Thermoformable polymer blend composition Blends of olefinic and monovinylidene aromatic polymers InventorsApplicationNo. 226533 filed on 04/12/1994US Classes:426/415, Utilizing specified wrapping material53/140, WITH COVER MATERIAL PRODUCTION53/396, METHODS53/461, Wrapping contents including cover forming426/397, In rigid liquid impermeable container, e.g., can, bottle, etc.521/59, Expandible system contains two or more solid polymers or at least one solid polymer and at least one polymer-forming system525/86, Mixture contains solid polymer derived from nonaromatic reactant containing plural ethylenically unsaturated groups525/205, Heterocyclic reactant is an imide or lactam525/207, Heterocyclic reactant contains anhydride group525/218, Nitrogen reactant contains a carboxylic acid amide group525/221, Solid polymer derived from reactant containing a carboxylic acid group525/227, Ester derived from an unsaturated carboxylic acid525/238, Solid polymer derived from (meth)acrylonitrile525/240, Solid polymer derived from ethylene or propylene525/241Solid polymer derived from an aromatic hydrocarbon reactantExaminersPrimary: Buttner, DavidForeign Patent References
International ClassesC08L 025/04C08L 023/04 C08L 023/10 AbstractA polymer blend composition comprising:(a) from 0.5 to 99 percent by weight, based on the total weight of (a), (b), and (c), of an aliphatic -olefin homopolymer or interpolymer, or an interpolymer of an -olefin and a non-aromatic monomer interpolymerizable therewith;(b) from 0.5 to 99 percent by weight, based on the total weight of (a), (b), and (c), of a homopolymer or interpolymer of monovinylidene aromatic monomers, or an interpolymer of monovinylidene aromatic monomer and a monomer interpolymerizable therewith other than an aliphatic -olefin; and(c) from 0.5 to 99 percent by weight, based on the total weight of (a), (b), and (c), of a substantially random interpolymer comprising an -olefin and a vinylidene aromatic monomer. An expandable composition, comprising such polymer blend composition and an expanding agent; a foamed composition obtained by subjecting such an expandable composition to a foaming process; an article of manufacture molded from such a polymer blend composition; and a method of packaging using such a polymer blend composition.Other References
Field of SearchSolid polymer derived from ethylene or propyleneSolid polymer derived from an aromatic hydrocarbon reactant Mixture contains solid polymer derived from nonaromatic reactant containing plural ethylenically unsaturated groups Heterocyclic reactant is an imide or lactam Heterocyclic reactant contains anhydride group Nitrogen reactant contains a carboxylic acid amide group Solid polymer derived from reactant containing a carboxylic acid group Ester derived from an unsaturated carboxylic acid Solid polymer derived from (meth)acrylonitrile Expandible system contains two or more solid polymers or at least one solid polymer and at least one polymer-forming system In rigid liquid impermeable container, e.g., can, bottle, etc. Utilizing specified wrapping material WITH COVER MATERIAL PRODUCTION METHODS Wrapping contents including cover forming | |
